Commercial buildings place demands on fire fighting pipelines that ordinary water supply networks never face. Tall towers stack dozens of stories of static head on top of each other, automatic sprinkler systems require continuous pressure at the most remote sprinkler head, and building codes increasingly require that pipes running through shafts, ceilings and occupied floors do not propagate fire. High pressure fire resistant HDPE pipe has emerged as a credible alternative to steel and galvanized pipe for these duties because it resists corrosion, is lighter to install, and can be welded into leak free networks. Producing such pipe, however, is not a standard PE pipe job. The extrusion equipment must handle a pressure rated, thick wall, large diameter product, and when flame retardancy is specified it must also process a heavily filled compound without degrading it.
Faygo is a Wanplas factory with 22 years of dedicated experience in plastic pipe and profile extrusion lines. Operating three specialized factories with a 26,650 square meter production base in Zhangjiagang, only two hours from Shanghai airport, and holding 13 national patents including 8 invention patents, Faygo builds HDPE 파이프 압출 라인s covering 12 to 575 mm diameter with wall thickness up to 6.5 mm, all CE and ISO certified, and tested for 72 hours of continuous running before shipment. This guide walks engineers, project owners and equipment buyers through the technical skeleton of an extrusion line purpose built for commercial building fire fighting pipelines, the material science behind fire resistant HDPE, the configuration of each line section, the process window that keeps a flame retardant compound stable, and the quality system that proves the pipe is fit for a life safety system.
Application Scenarios and Technical Requirements
A fire fighting pipeline inside a commercial building is not a single pipe but a hierarchy of networks, each with its own pressure profile, routing and acceptance rules. Selecting the right extrusion target starts with mapping which network the pipe will serve.
The automatic sprinkler branch and main piping is the most visible use. Sprinkler systems designed with reference to NFPA 13 demand that water reach the hydraulically most remote sprinkler at a defined minimum pressure, which forces the main to carry a healthy margin of static and dynamic pressure. The hydrant feed pipe is a higher flow, lower density network used by fire fighters through landing valve connections. The buried fire ring main loops a building or campus underground, often at lower fire exposure but under traffic and soil loading. The foam extinguishing delivery pipe carries foam concentrate or premix in special hazard areas such as data centers and parking basements.
The difference from ordinary water supply pipe is twofold. First, fire pipe must satisfy both a pressure class and a flame retardancy class at the same time. Pressure classes for this duty are typically PN10, PN16 or PN20, realized through SDR 17, SDR 11 or SDR 9 geometries. Second, the material must not become a fire path. A buried ring main can use standard PE100 because soil cover isolates it, but any pipe run in a shaft, ceiling void or occupied floor that crosses fire rated construction usually needs flame retardant modification so that the pipe itself does not raise the fire load or spread flame along its length.
Commercial buildings add structural complications that the extrusion line indirectly answers. A 100 meter tall tower imposes about 1.0 MPa of static pressure purely from the water column, and a water hammer event from a fast closing valve can multiply the instantaneous pressure to 1.5 to 2.0 times the working pressure. That is why thick wall SDR 11 or SDR 9 pipe, not thin SDR 17, is common on upper zones. Support spacing of pipe hangers, and fire stopping where the pipe penetrates a floor slab, are field details, but they trace back to a pipe that leaves the factory with certified wall thickness, roundness and weldability.
압력 등급, SDR 및 벽 두께 Reference
The table below maps the three common fire duty pressure classes to SDR geometry and the resulting minimum wall thickness at representative diameters. Wall values follow the standard relation e equals nominal diameter divided by SDR, rounded to normal commercial minimums.
| Pressure class | SDR | Design basis | Wall at DN63 (mm) | 벽 두께 (mm) DN110에서 | Wall at DN160 (mm) | Wall at DN200 (mm) |
|---|---|---|---|---|---|---|
| PN10 | SDR 17 | PE100, C=1.25 | 3.7 | 6.6 | 9.5 | 11.9 |
| PN16 기준 | SDR 11 | PE100, C=1.25 | 5.7 | 10.0 | 14.5 | 18.2 |
| PN20 | SDR 9 | PE100, C=1.25 | 7.0 | 12.3 | 17.8 | 22.2 |
Read the table as a target spec sheet for the extrusion line. A line that claims PN20 SDR 9 capability at DN200 must hold a finished wall of about 22 mm within tight tolerance, which is a thick wall large diameter extrusion problem, not a thin wall commodity problem. The tolerance band narrows as wall thickness grows, because a small absolute error on a 22 mm wall is a large fraction of the pressure reserve, so the calibration sleeve, the vacuum level and the haul off speed must be held steady enough that the line delivers the same wall at the start of a coil and at the end of a six meter stick. This is why the line is specified with closed loop wall thickness control rather than with manual adjustment alone.
상업용 건물 배치도 또한 직경 선택을 결정합니다. 높은 빌딩은 시스템을 압력 영역으로 분할하며, 하부 영역은 더 큰 직경의 PN10 또는 PN16 메인 파이프로 공급되고, 상부 영역은 더 작은 직경의 그러나 두꺼운 벽 PN20 라이저로 공급됩니다. 이는 높은 기둥의 바닥에서 정적 압력이 얇은 벽 파이프를 과도하게 스트레칭시킬 수 있기 때문입니다. 따라서 압출 라인은 직경과 SDR이 서로 다른 경우에도 완전한 재구조화 없이 유연해야 하며, 이는 단계별로 크기를 구축한 다이 헤드와 슬리브를 교체하는 보정 시스템을 갖춘 압출 라인을 선호합니다.
Material System for Fire Resistant HDPE Pipe
The material system is the technical core of fire resistant HDPE pipe. The base resin delivers the pressure rating and the long term durability; the flame retardant package delivers the fire behavior; and the way those two are married decides whether the extrusion line can make saleable pipe at all.
기본 수지: PE100 및 PE100-RC
Fire fighting pipe demands a pressure pipe grade polyethylene. PE100 is the workhorse, with a minimum required strength of 10.0 MPa and a design stress of 8.0 MPa at a design coefficient C of 1.25. PE100-RC is the crack resistant variant engineered for resistance to slow crack growth, verified by the notched pipe test at 80 degrees C for at least 8760 hours. For a life safety system that may sit partially full and unpressurized for years, then surge to full pressure in an emergency, that slow crack growth resistance is a real asset.
기본 수지의 일반적인 물리적 매개변수는 다음과 같습니다: 190도에서 5kg의 하중으로 측정한 용융 유동률은 0.2~0.5g/10분, 밀도는 0.949~0.960g/㎡이며, 환경 스트레스 균열 저항이 우수합니다. 낮은 용융 유동률은 강하지만 용융하기 어려운 고 분자량 수지를 나타내며, 무거운 난연제 충전제가 상단에 추가될 때 중요합니다.
Three Flame Retardant Routes Compared
PE를 내화성으로 만드는 세 가지 기술적 방법이 있습니다. 각 방법은 화염 성능, 기계적 유지, 가공성 및 규정 준수에 대해 서로 다르게 거래합니다. 아래 표는 화합물 및 따라서 압출 라인 설계에 대한 결정 기반입니다.
| Route | Additive and loading | Limiting oxygen index | UL 94 at 3 mm | Mechanical impact | Processing difficulty | Compliance |
|---|---|---|---|---|---|---|
| Halogen free Mg(OH)2 / Al(OH)3 | 55 to 65 percent, superfine 1.5 to 3 micron, silane treated | 28 to 32 percent | V-0 | Large drop (high filler) | High (viscosity 2 to 4x) | RoHS, REACH friendly |
| Intumescent (APP / pentaerythritol / melamine) | 22 to 30 percent, water resistance coating | 27 to 30 percent | V-0 | Smaller drop | Medium, heat sensitive | RoHS, REACH friendly |
| Halogenated | Low loading, high efficiency | 높은 수준 | V-0 | Low drop | 저전압 | Restricted by RoHS, REACH |
할로겐이 없는 마그네슘 하이드록사이드 또는 알루미늄 하이드록사이드 경로는 유럽과 대부분의 상업용 건물 프로젝트에서 가장 일반적인 선택입니다. 할로겐이 없으며 연기가 거의 발생하지 않기 때문입니다. 55~65%의 적재량을 사용하면 제한적 산소지수 28~32% 및 UL 94 V-0(3mm)에서 달성할 수 있습니다. 이러한 적재량은 가공에 있어 매우 까다롭습니다. 용융 점도가 두 배에서 네 배로 상승하고 인장 및 충격 특성이 떨어지며, 충전제가 1.5~3마이크론의 초미세 입자로 되어 있고 표면이 실란화 결합제 처리되어 있지 않으면 쉽게 응집됩니다.
The intumescent flame retardant route uses ammonium polyphosphate, pentaerythritol and melamine. At 22 to 30 percent loading it forms a charring, insulating layer that suppresses heat release, reaching limiting oxygen index 27 to 30 percent. It costs less mechanical property than the mineral route and is lighter to process, but it is sensitive to water and usually needs a moisture resistant coating or masterbatch form, otherwise it bleeds performance in buried or damp service. The halogenated route is the most efficient and easiest to process but is constrained by RoHS and REACH and is largely not accepted in commercial building fire specifications, so it is mentioned here only for completeness of the comparison.
How High Filling Reshapes the Extrusion
Adding 55 to 65 percent mineral filler does more than raise viscosity. It accelerates screw and barrel wear, so the line needs a bimetallic barrel of HRC 58 to 62 and a coated or specialized screw. Poor dispersion of the filler creates white specks, agglomerates and weak zones that ruin both mechanical strength and flame retardancy at once. Die head pressure climbs to 25 to 40 MPa because the melt is stiff and the die land must be long enough to build pressure yet short enough not to over shear. The flame retardant also tends to stagnate and decompose in any dead spot of the flow channel, which is why the die head must have a dead corner free flow path.
Fire Performance Metrics
The fire worthiness of the finished pipe is described by a stack of metrics: limiting oxygen index, UL 94 grade, peak heat release rate reduction from cone calorimetry (typically 40 to 65 percent lower than unfilled PE), smoke density rating, burning drip behavior, and the building material combustion class such as EN 13501-1 class B or C. For a fire fighting pipe the objective is not to make the pipe non combustible but to stop it from becoming a flame spread path and to limit smoke so that escape routes stay usable.
생산 라인 구성
내화성 HDPE 파이프 압출 라인은 정밀하게 맞춤화된 스테이션의 연속입니다. 각 스테이션은 두꺼운 벽의 대형 직경, 높은 충전 비율에 맞게 지정됩니다. 아래의 구성은 엔지니어링 기준이며, 실제 기계 선택은 나중에 진행됩니다.
Main Extruder
The main extruder is a single screw unit with screw diameter from 75 to 150 mm and an L/D ratio of 33 to 38 to 1. The screw is a low shear barrier design with a dedicated mixing section that homogenizes the highly filled compound without generating excess shear heat. Throughput runs 300 to 1200 kg per hour and installed power 132 to 400 kW. For ultra high filler loadings, a two stage extrusion system is used: a first stage twin screw compounder does the mixing and a second stage single screw forms the pipe, which separates the heavy mixing work from the shaping work and protects surface quality.
데이 헤드
다이 헤드는 DN 63에서 DN 630mm까지 단계별 크기로 구성된 바구니형 또는 나선형 맨드렐 파이프 다이입니다. 화재 방지제가 정체되고 분해되는 경향이 있기 때문에, 흐름 경로는 사각지대가 없는 형태로 설계되었으며, 헤드에는 4~8개의 개별적으로 제어되는 가열 구역이 있어 용융 온도를 지역적 과열 없이 프로파일링할 수 있습니다. 깨끗한 흐름 형상은 여기서는 사치품이 아니라, 깨끗한 파이프와 불타는 흔적이 있는 파이프의 차이입니다.
진공 크기 조정 및 냉각
The vacuum calibration tank holds negative pressure from 0.02 to 0.08 MPa with a sizing sleeve matched to the SDR of the pipe. Spray water is kept at 15 to 20 degrees C and the tank is built from 2 to 3 sections of 6 meters each. After sizing, 3 to 5 cooling tanks with graded water temperature pull the heat out gradually. Thick wall large diameter pipe carries a lot of internal heat, so an inner pipe cooling system that circulates coolant through the bore is often added to shorten the line length and tighten the crystallinity control.
Haul Off, Cutting and Downstream
The haul off is a caterpillar type with 8 to 16 belts, pull force 20 to 120 kN, and line speed 0.5 to 15 meters per minute; thick wall large diameter pipe runs slow. Cutting is done by a 행성형 절단기 that slices without generating dust, keeping the cut square to within 0.5 degree and adding a chamfer for easy jointing. Small diameter pipe up to 63 mm is coiled on a winder, while large diameter pipe is cut to fixed 6 or 12 meter lengths onto a tipping rack. On line inspection uses ultrasonic wall thickness measurement with 4 to 8 probes, laser diameter gauging and meter marking ink jet.
Auxiliary Systems
High filler extrusion lives or dies on the auxiliaries. A central feeding system with loss in weight meters doses the flame retardant with plus or minus 0.5 percent accuracy; volumetric dosing is not accurate enough at these loadings. The flame retardant is hygroscopic, so a dehumidifying dryer holds it at 80 degrees C for 3 to 4 hours down to a minus 30 degrees C dew point before it enters the hopper. A regrind closed loop returns start up and trim scrap back into the process without contaminating the virgin grade.
Complete Line Equipment 구성
The table below consolidates the whole line into one specification block that a buyer can quote against.
| 스테이션 | 사양 | Range / parameter | Note for fire pipe duty |
|---|---|---|---|
| 주 압출기 | Single screw, low shear barrier + mixing | 75 to 150 mm, L/D 33 to 38 | Bimetallic barrel HRC 58 to 62 |
| Throughput | Output rate | 300 to 1200 kg/h | High filler lowers rate |
| 설치된 전력 | Drive and heating | 132 to 400 kW | Depends on diameter |
| Die head | Basket or spiral mandrel | DN 63 to 630 mm, 4 to 8 zones | No dead corner flow |
| Vacuum calibration | Sizing sleeve per SDR | 0.02 to 0.08 MPa, 6 m x 2 to 3 | Water 15 to 20 C |
| Cooling | Spray tanks, graded | 3 to 5 tanks, inner cooling option | Needed for thick wall |
| Haul off | Caterpillar | 8 to 16 belts, 20 to 120 kN | Speed 0.5 to 15 m/min |
| Cutter | Planetary, dust free | Squareness within 0.5 deg | Chamfer added |
| On line inspection | Ultrasonic + laser | 4 to 8 thickness probes | Meter marking |
| Auxiliary | Loss in weight, dryer | Dosing +/-0.5 percent, 80 C 3 to 4 h | Dew point minus 30 C |
Process Parameters
The process window is where flame retardant PE is won or lost. Too much shear heat and the additive decomposes inside the barrel; too little and the compound is unmelted and uneven. The window below is the engineering target for a halogen free or intumescent fire resistant PE.
Temperature Profile and Melt Limit
For flame retardant PE the barrel zones are set around 165, 175, 185, 190, 190, 185 degrees C, with the die head at 185 to 195 degrees C. The single most important rule is that the melt temperature must stay below 210 degrees C, because intumescent systems begin to decompose above 220 degrees C and the mineral route starts to lose water of hydration above roughly 200 to 220 degrees C, both of which scorch the compound and release gas that shows up as silver streaks or burn marks in the pipe.
Screw Speed, Pressure and Closed Loop Control
Screw rotation speed is held low, 25 to 70 rpm, deliberately, because high filler melt generates shear heat fast and a slow screw keeps the melt cool and the motor load manageable. 녹는 압력 in the head runs 25 to 40 MPa. Vacuum level, the graded cooling water temperature, and the haul off speed are tied into a closed loop with the ultrasonic wall thickness gauge so that as the line speed or melt behavior drifts, the wall thickness is held inside tolerance automatically.
Shutdown Purging
작업이 끝날 때 고 충전물 배치는 배럴에서 순수한 PE로 청소해야 합니다. 화재 방지용 배치가 스크류와 다이에서 앉아서 변질되면 연소되고 달라붙어 다음 작업 전에 긴 청소를 해야 합니다. 깨끗한 청소는 배럴과 다이 지면을 보호하고 변경 작업을 단축합니다.
Process Temperature and Pressure Parameter Table
| 매개변수 | Zone 1 feed | 영역 2 | Zone 3 | Zone 4 | Zone 5 meter | Die head |
|---|---|---|---|---|---|---|
| Barrel temperature (C) | 165 | 175 | 185 | 190 | 190 | 185 to 195 |
| 스크류 속도 (rpm) | 25 to 70, kept low for high filler | |||||
| 녹는 압력 (MPa) | 25 to 40 | |||||
| 융해 온도 limit (C) | Must be below 210, IFR decomposes above 220 | |||||
| Vacuum (MPa) | 0.02 to 0.08 | |||||
Quality Inspection and Standards
A fire fighting pipe is a life safety component, so the quality system is strict and documented. The pipe must pass pressure endurance, material stability and flame behavior tests, and the line must be able to demonstrate every one.
유압 강도
Internal pressure resistance is verified at three conditions: 20 degrees C for 100 hours at 12.4 MPa, 80 degrees C for 165 hours at 5.5 MPa, and 80 degrees C for 1000 hours at 5.0 MPa. These are the standard PE pipe endurance points and they confirm that the wall thickness and resin grade actually deliver the rated pressure over time.
Material and Pipe Property Tests
The melt flow rate change after processing must stay within plus or minus 20 percent of the virgin resin, proving the compound was not thermally damaged. 산화 유도 시간 at 200 degrees C should be 20 minutes or more, showing retained thermal stability. Longitudinal reversion must be 3 percent or less, elongation at break 350% 이상, and the pipe must pass the 0 degree C falling weight impact test. 느린 균열 성장 저항력 is checked by the notched pipe test, and rapid crack propagation by the relevant小车 test method.
Flame and Combustion Classification
Flame behavior is measured by limiting oxygen index per GB/T 2406, the UL 94 classification, the building material combustion classification per EN 13501-1, and the Chinese building material fire performance grading per GB 8624. For the pipe system as installed, the relevant pipe standards are ISO 4427, EN 12201, GB/T 13663 and ASTM F714, while the sprinkler system design reference is NFPA 13 and the buried fire plastic pipe recognition concepts are captured in UL 1285 and FM 1613, all referenced here as standard names only.
Jointing
Fire resistant HDPE pipe is joined by the same methods as standard PE: electrofusion and butt fusion welding, with welding parameters set to meet fire acceptance requirements, plus flanges at valves and equipment. Welding procedure qualification and records are part of fire system acceptance, so the pipe must leave the factory with consistent, weldable ends.
Quality 검사 항목s and Standards
| Test item | Condition / limit | Standard reference | 화재 파이프에 중요한 이유 |
|---|---|---|---|
| Hydrostatic 20 C 100 h | 12.4 MPa pass | ISO 4427, GB/T 13663 | Pressure rating proof |
| Hydrostatic 80 C 165 h | 5.5 MPa pass | EN 12201, ASTM F714 | Long term hot endurance |
| Hydrostatic 80 C 1000 h | 5.0 MPa pass | ISO 4427 | Lifetime extrapolation |
| MFR change | Within +/-20 percent | ISO 1133 | No thermal damage |
| OIT | 20 min at 200 C min | ISO 11357 | Thermal stability |
| Longitudinal reversion | 3 percent max | ISO 2505 | Dimensional stability |
| Elongation at break | 350 percent min | ISO 6259 | 강도 |
| Falling weight impact | 0℃에서 통과 가능 | ISO 3127 | 저온에서의 강도 |
| 느린 균열 성장 | 8760 h at 80 C | ISO 13479 (NPT) | PE100-RC proof |
| Limiting oxygen index | 28 to 32 percent (mineral) | GB/T 2406 | Flame retardancy |
| UL 94 | V-0 at 3 mm | UL 94 | Flammability class |
| Building combustion class | B or C | EN 13501-1, GB 8624 | Fire stopping compatibility |
Line Economy and Operation Maintenance
Owning a fire resistant HDPE pipe line is different from owning a standard PE line because the high filler duty raises energy, wear and labor costs while tightening the quality burden. The economics below are expressed in relative terms, energy per ton, wear life ratios, changeover time and crew size, never as currency.
Energy, Wear and Crew
특정 에너지 consumption runs 0.30 to 0.45 kWh per kg, higher at the top of the range because the high filler melt is stiff and the screw works harder. 스크류 및 배럴 life under high filler service is only 40 to 60 percent of that under unfilled PE, which is exactly why the bimetallic barrel of HRC 58 to 62 is not optional. Changing a product size takes 60 to 120 minutes, and a typical crew is 3 to 4 operators per shift.
Common Faults
이 작업 특유의 문제는 불연성 재료의 불균일한 분산으로 나타나는 흰색 얼룩 또는 응집, 불균일한 융합으로 인한 벽층 분리, 지역 과열로 인한 내부 구멍 연소, 보정 오차로 인한 벽 비대칭, 두께 미달로 인한 수압 실패, 불안정한 용융으로 인한 거친 표면입니다. 대부분 분산 품질, 온도 조절 및 다이 청결도에 기인합니다.
Defect Troubleshooting
| 결함 | 유력한 원인 | Action |
|---|---|---|
| White specks / agglomerates | Poor filler dispersion, coarse particle | Use superfine treated filler, raise mixing, check dosing |
| 벽층 분리 | Uneven melt, wrong temperature profile | 배럴 영역을 조정하고 스크류 혼합 부분을 확인합니다. |
| Inner bore burn mark | Melt over 210 C, dead spot in die | Lower melt temp, purge, redesign flow path |
| 벽 비대칭성 | Calibration or haul off misalignment | Center die, check vacuum, recalibrate gauge loop |
| Hydrostatic failure | Under thickness, degraded resin | Tighten wall loop, control MFR change, OIT |
| Rough surface | 불안정한 용융, 충전물에 수분 | 건조를 개선하고 세기를 낮추고 다이를 청소합니다. |
Energy Consumption and Investment Index
표는 100점 기준으로 HDPE 압력 파이프 라인을 투자비로 지수화합니다. 지수 값은 상대적인 기술적 추정치이며 통화는 아니며, 가격 제시 없이 예산 규모를 결정하는 데 도움이 됩니다.
| 구성 | Investment index (baseline 100) | Energy per ton | Wear cost level | Payback horizon |
|---|---|---|---|---|
| Baseline DN110 HDPE pressure pipe | 100 | 300 to 350 kWh/t | 저전압 | Medium (24 to 36 months) |
| Thick wall SDR 9 large diameter | 115 to 135 | 330 to 400 kWh/t | 중간 | 중간 |
| Mineral flame retardant filled | 130 to 160 | 380 to 450 kWh/t | 높은 수준 | 중간에서 높은 수준까지 |
| Intumescent filled | 125 to 150 | 350 to 420 kWh/t | Medium High | 중간에서 높은 수준까지 |
| Two stage compounding + forming | 160 to 200 | 400 to 450 kWh/t | 높은 수준 | 높은 수준 |
Faygo 실제 라인 선택 및 서비스
When the engineering reaches the question of which actual machine to install, Faygo offers 파이프 압출 라인s built on the same technical principles described above. The specifications below are drawn from Faygo’s real product families, not from generic equivalents.
Faygo HDPE 파이프 압출 라인 (Core 12 to 575 mm Series)
Faygo’s core pipe extrusion series covers 12 to 575 mm diameter across PE, PVC and PP materials with wall thickness up to 6.5 mm, directly serving water supply, drainage, gas, communication and agricultural irrigation networks. For fire fighting duty the PE capability is configured with the low shear barrier screw, bimetallic barrel and loss in weight dosing described earlier. The line is CE and ISO certified and undergoes a 72 hour continuous running test before shipment.
| 매개변수 | Faygo HDPE pipe line |
|---|---|
| 직경 범위 | 12 to 575 mm |
| Materials | PE, PVC, PP |
| Max wall thickness | 6.5 mm |
| Screw feature | Low shear barrier with mixing section, bimetallic barrel option |
| 제어 장비 | Intelligent control system, internationally branded electrical components |
| Quality check | 72 hour continuous running test before delivery |
| Certification | CE 및 ISO 인증 획득 |
Faygo PP-R/PE-RT 파이프 압출 라인
Faygo’s PP-R/PE-RT 파이프 압출 라인 produces PP-R and PE pipes from 16~160mm and PE-RT pipes from 16 to 32 mm. It is the smaller diameter sibling of the core HDPE line and shares the same intelligent control architecture, the same branded electrical components and the same 72 hour pre shipment test. For fire fighting branch lines in the DN16 to DN160 range it is the natural platform to receive the flame retardant PE100 configuration.
| 매개변수 | Faygo PP-R/PE-RT pipe line |
|---|---|
| PP-R/PE 파이프 범위 | 16~160mm |
| PE-RT pipe range | 16 to 32 mm |
| 제어 장비 | 지능형 제어 시스템, 브랜드 전기 부품 |
| Quality check | 72 hour continuous running test before delivery |
| Certification | CE 및 ISO 인증 획득 |
Requirement to 구성 Recommendation
The table maps a stated project need to a Faygo line configuration. Faygo, as a Wanplas factory, can also arrange matched capabilities from the Wanplas group for any upstream compounding or downstream step that falls outside the pipe line itself.
| Need (diameter / pressure / flame / capacity) | Faygo 구성 권장 사항 |
|---|---|
| DN63 to 160, PN16, standard PE100, buried ring main | 핵심 HDPE 라인, 단일 스크류 75 ~ 120mm, SDR 11 |
| DN160 to 315, PN20, thick wall SDR 9 | 핵심 HDPE 라인, 단일 스크류 120 ~ 150mm, 내부 냉각 옵션 |
| DN16 to 160, PN16, flame retardant exposed shaft | PP-R/PE-RT 라인은 무게 조절 및 이중 금속 배럴을 사용하여 구성됩니다. |
| Any diameter, mineral flame retardant 55 to 65 percent | Single screw low shear barrier + bimetallic barrel HRC 58 to 62, dehumidifying dryer |
| 초고 충전물, 프리미엄 표면 | Two stage twin screw compounder plus single screw forming line |
| 300 to 600 kg/h output | Mid size single screw, 132 to 250 kW installed |
| 800 to 1200 kg/h output | Large single screw 132 to 400 kW, 8 to 16 belt haul off |
서비스 및 지원
Faygo delivers more than a machine. Every line is tested for 72 hours of continuous running before shipment so that commissioning risk is removed at the factory, not discovered on the customer floor. Faygo provides customized turnkey solutions covering selection, design, manufacturing, installation and commissioning, plus operator training and lifetime maintenance guidance. The shared Wanplas group policy supplies USD 500 free spare parts per year and warranty replacement, backed by 24/7 online technical support. Faygo also offers factory consulting services including water and electricity design, 3D workshop layout, worker configuration and training, new factory construction on a turnkey basis, old machine replacement with zero downtime, and capacity expansion to remove bottlenecks. The factory in Zhangjiagang welcomes customer visits for inspection and sample trial runs.
자주 묻는 질문
What is the difference between fire fighting HDPE pipe and ordinary water supply HDPE pipe?
화재 진압 HDPE 파이프는 PN10, PN16 또는 PN20과 같은 압력 등급과 SDR 17, SDR 11 또는 SDR 9, 그리고 일반 수관 파이프에서 요구하지 않는 화재 방지 요구 사항을 동시에 충족해야 합니다. 상업용 건물의 노출된 리저와 샤프트는 일반적으로 화재 방지용 PE100으로 만들어지며, 매설된 링 메인에서는 표준 PE100을 사용할 수 있습니다.
Which flame retardant system is best for fire resistant HDPE pipe?
Halogen free magnesium hydroxide or aluminum hydroxide at 55 to 65 percent loading reaches limiting oxygen index 28 to 32 percent and UL 94 V-0 at 3 mm, but is the hardest to process. Intumescent flame retardant at 22 to 30 percent gives lower mechanical loss. Halogenated systems are restricted by RoHS and REACH and are generally not accepted for commercial building projects.
Why does high filler loading increase extrusion difficulty?
High flame retardant loading raises melt viscosity two to four times, increases screw and barrel wear so that bimetallic barrels of HRC 58 to 62 are required, degrades dispersion and lowers both mechanical and flame retardant performance, and pushes die head pressure up to 25 to 40 MPa.
불연성 PE 압출 시 용융 온도는 어떻게 조절해야 합니까?
불연성 PE의 경우 용융 온도는 210℃ 이하로 유지해야 합니다. 이는 인텐세스 시스템이 220℃ 이상에서 분해되기 시작하기 때문입니다. 일반적인 프로파일은 165, 175, 185, 190, 190, 185℃이며 다이 헤드는 185~195℃입니다.
How is fire resistant HDPE pipe joined on site?
표준 PE 파이프에 사용되는 동일한 전기 융합 및 butt 융합 용접이 적용되며 용접 매개 변수는 화재 시스템 승인을 충족하도록 설정됩니다. 밸브 및 장비 인터페이스에는 플랜지 연결이 사용됩니다. 용접 기록은 화재 시스템 승인에 포함됩니다.
What quality tests prove the pipe is fit for a fire fighting system?
Hydrostatic endurance at 20 C 100 h (12.4 MPa), 80 C 165 h (5.5 MPa) and 80 C 1000 h (5.0 MPa), melt flow rate change within plus or minus 20 percent, oxidation induction time 20 minutes or more at 200 C, longitudinal reversion 3 percent or less, elongation at break 350% 이상, and flame tests including limiting oxygen index per GB/T 2406, UL 94 and building combustion class per EN 13501-1 or GB 8624.
What does Faygo supply for a fire pipe extrusion project?
Faygo, Wanplas 공장 with 22 years of pipe extrusion experience, supplies HDPE 파이프 압출 라인s covering 12 to 575 mm diameter and wall thickness up to 6.5 mm, with 72 hour continuous running test before shipment, turnkey installation and commissioning, training, and USD 500 free spare parts per year.
결론
High pressure fire resistant HDPE pipe for commercial building fire fighting pipelines is a demanding but well understood extrusion target. The engineering rests on three pillars: a pressure rated PE100 or PE100-RC base, a flame retardant route chosen for compliance and processability, and a line built to handle thick wall large diameter geometry and high filler melt without degrading the compound. The main extruder, dead corner free die head, vacuum sizing, graded cooling, caterpillar haul off, dust free planetary cutting and loss in weight dosing together decide whether the pipe meets PN10 to PN20 pressure ratings and the required flame class.
Faygo, Wanplas 공장, builds the 파이프 압출 라인s that deliver this performance, with real production ranges from 12 to 575 mm diameter, wall thickness up to 6.5 mm, intelligent control, CE and ISO certification, and a 72 hour continuous running test before shipment. Combined with turnkey installation, operator training, USD 500 free spare parts per year and an open factory for inspection and sample trial runs, Faygo gives fire pipe producers a complete, validated production platform.
If you are planning a fire resistant HDPE pipe production line for commercial building fire fighting pipelines, send your target diameter, pressure class, flame retardancy grade and required output. Faygo will prepare a tailored line configuration, invite you to the Zhangjiagang factory for inspection, and run a sample trial on the configured equipment so you can verify wall thickness, pressure rating and flame performance before you commit.
