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Teflon lined pipe Nominal Diameter (mm/in.): (NPS 1/2-NPS 24) temperature: -100~+260pressure: -0.09MPa-1.6MPa
Teflon pipes steel lined have stronger characters of PTFE pipes, they are used more widely.
1). Specifications of teflon pipe fittings:
| Diameter(ND) | Thickness of iron shell | Thickness of PTFE liner | ID of PTFE liner | OD of flange | Length |
| 25(mm)(1") | 3.5(mm) | 2(mm) | 21(mm) | ≥55(mm) | ≥100-6000 |
| 32(1.25") | 3.5, 4 | 2 | 36 | ≥68 | |
| 40(1.5") | 3.5 | 2 | 36 | ≥80 | |
| 50(2") | 4 | 2 | 46 | ≥90 | |
| 65(2.5") | 4.5 | 2.5 | 60 | ≥105 | |
| 80(3") | 4.5 | 2.5 | 75 | ≥125 | |
| 100(4") | 4.5 | 3 | 94 | ≥150 | |
| 125(5") | 4.5 | 3.5, 4 | 117 | ≥185 | |
| 150(6") | 4.5 | 4 | 142 | ≥215 | |
| 200(8") | 4.5 | 4, 4.5 | 191 | ≥280 | |
| 250(10") | 6 | 6, 6.5 | 246 | ≥340 |
Teflon lined pipe and fitting seriesFeatures:Professional, learning from experiences on dozens of big projects all over the countryfor decades.Having experience and capability on manufacture of supporting componentsaccording to various standards in America, Europe, Japan, Middle East, India andSouth America etc.Supplying supporting components to semiconductor, pharmaceutical products,chemical industry, textiles, automobile coatings and environmental protection and soon for years.Developing matching service on the production of ETFE, F46, PFA and PVDF andother products.
Teflon lined pipe
Specification of lined pipes and fittings
Teflon lined pipe
1. Range1.1 This specification is applicable for PTFE lined pipes and fittings used fortransmitting corrosive fluid. The content includes construction materials, size and testprocedure of standards.1.2 The content includes national standard 10KG level, ANSI150LBS and JIS10Kspecification etc.2. Material Structure2.1 PTFE properties2.1.1 Temperature limitationContinuous operating temperature 260°CMelting point 327°C2.1.2 Chemical resistanceResist most of chemicals. For detail information, please consult our sales engineer.2.1.3 Frictional coefficientStatic friction coefficient 0.10Dynamic friction coefficient 0.052.1.4 Proportion ASTM D792 2.14 ~ 2.22.1.5 Tensile strength ASTM D638 280 ~ 350Kg/cm²2.1.6 Anti-adhesiveSurface tension 18.5dyne/cnContact angleWater 104°~ 111°Hexadecane 37°~ 45°2.1.7 Elongation ASTM D638 100-300%2.1.8 Water absorption ASTM D570 0.01%2.2 PTFE liner2.2.1 Sizes of this type of PTFE lined pipes, flanges and fittings are from 1/2" to 12".2.3 Iron parts2.3.1 Pipes and fittingsPipes and fittings are made of welded or seamless steel pipes of iron parts. And the thickness is decided by international standards and customers’ requirements.2.3.2 FlangeFlanges are made according to any specification of international standard orANSI150LBS or JIS10K.
Teflon lined pipe 3. Design Requirements3.1 Size3.1.1 Standard thickness of PTFE lined pipes Unit: mm
Note: for thickness of other PTFE lined pipes different from above and PFA linedpipes below 4", please refer to our sales engineer.3.1.2 Thickness of PTFE lined pipesSize 1/2"~ 4" Thickness of liner 3mm6"~ 8" 4mm10"~ 12" 5mm
3.1.3 Specification of size of lined flaring Unit: mm
Teflon lined pipe 3.2 Vent holesEvery pipe or fitting is equipped with vent holes to release gas between liners and ironparts. Each pipe shall at least have two vent holes of 0.12"(3mm)in diameter, locatedat flange faces of two ends, 2"(50mm); each fitting shall also at least have two ventholes; and reducing flange does not have any vent hole.
Teflon lined pipe 4. Detection requirements4.1 Hydraulic testInterior pressure test will be operated at 150% of maximum work pressure. Totalpressure can be reached within one minute and kept for 3 minutes.4.2 Pinhole testThe test shall be performed with high voltage equipment (10,000 V) that shall not bedestructive. After the current is connected, if any spark is produced from the probe orany pinhole warming sound is made by the detector, it means there is defect in theliner and thereby this part shall not pass quality inspection.4.3 Visual inspection and appearance paint brushThe surface shall not have any bubble, pinhole or other defects. All defects shall befixed before shipment. After visual inspection, an epoxy resin base coat shall becoated outside the pipes and fittings.
5. Storage, transportation and confirmationUse wooden plate to protect lining face of flanges at each end. Therefore products willnot be damaged during normal transportation.
end. Therefore products will not be damaged during normal transportation.
Teflon lined pipe work flow
CERTIFICATION-PTFE lined fittings
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Verified Information This information is Verified by Bureau Veritas and is valid for the following period: 2013/03/25 --- 2014/03/25 All the information below may covers both Gold Supplier and its related companies , Their Relationship will be affirmed according to china laws and regulations , also it will be clearly display in the full report >> Production Capacity:| PTFE Tube and Fittings | USD 12,000,000 / Year | confidential |
| Mid East | confidential | 15.0 |
| Eastern Asia | confidential | 10.0 |
| South Asia | confidential | 10.0 |
| Domestic Market | confidential | 65.0 |
| Terminal assembling machine | Not provided | 3 | 1.0 | Acceptable |
| Drilling machine | Not provided | 1 | 3.0 | Acceptable |
| Lathe | Not provided | 2 | 3.0 | Acceptable |
| Milling machine | Not provided | 1 | 2.0 | Acceptable |
| Drawing and flanging machine | Not provided | 2 | 2.0 | Acceptable |
| Fritting machine | Not provided | 8 | 1.0 | Acceptable |
| Braiding machine | Not provided | 4 | 1.0 | Acceptable |
| Spiral forming machine | Not provided | 8 | 0.5 | Acceptable |
| Air pressure testing machine | Not provided | 1 | 3.0 | Acceptable |
| Hydraulic pressure testing machine | Not provided | 2 | 2.0 | Acceptable |
| Density tester | Not provided | 1 | 1.0 | Acceptable |
| Tensile testing machine | Not provided | 1 | 5.0 | Acceptable |
| Ultrasonic thickness meter | Not provided | 1 | 3.0 | Acceptable |
| Fritting testing machine | Not provided | 2 | 4.0 | Acceptable |
| Material testing equipment | Not provided | 1 | 5.0 | Acceptable |
| Mechanical balance | Not provided | 1 | 5.0 | Acceptable |