PTFE Lined Pipe
Bhudev Polymer manufactures PTFE Lined Pipe spools using premium virgin PTFE resin processed through our in-house paste extrusion technology. The seamless liner is thermally locked into the carbon steel pipe shell and flared over the raised face of both flanges to provide a continuous, seamless gasket surface.
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Quick ReplyKey Engineering Highlights
- In-house paste-extruded virgin PTFE liners ensuring uniform density and crystallinity
- Full vacuum resistance at elevated temperatures up to 200°C
- Seamless liner flared over flange faces eliminates separate gaskets at joint
- Available with fixed-fixed, fixed-loose (rotating) or loose-loose flanges for easy piping alignment
- Steam or hot oil jacketing available for heat tracing critical fluid lines
- 100% Spark tested at 20,000 Volts per ASTM F1545
All components are manufactured in our specialized industrial facility located at GIDC Chhatral, Dist. Gandhinagar, Gujarat. The seamless fluoropolymer liner completely shields all wetted metal surfaces from chemical attack and fluid contamination.
Available Construction Variants
- Standard Non-Jacketed Spool
- Full Steam Jacketed Spool
- Double Containment Spool
| Technical Parameter | Verified Specification Standards |
|---|---|
| Lining Material | Paste-Extruded PTFE, PFA, FEP, PVDF, PP, HDPE |
| Body Material | ASTM A106 Gr. B Carbon Steel, ASTM A312 TP304 / TP316 Stainless Steel |
| Size Range | 1/2" (DN15) to 12" (DN300) in spool lengths up to 3 meters (10 feet) |
| Pressure Rating | Full Vacuum to 20 Bar (Class 150# / Class 300# / PN10 / PN16) |
| Temperature Range | -29°C to +200°C (-20°F to 392°F) |
| End Connection | Flanged ANSI B16.5 Class 150 RF, fixed or rotating lap-joint flanges |
| Testing Standards | ASTM F1545, Hydraulic Test (30 bar), Electrostatic Spark Test (20kV) |
Lining Fluoropolymer Options
We select virgin grade fluoropolymers matched precisely to process chemistry and operating temperature:
- PTFE: -29°C to +200°C, universal chemical inertness, in-house paste extrusion.
- PFA: -29°C to +200°C, melt-processable, superior clarity and permeation resistance.
- FEP: -29°C to +150°C, high dielectric strength and smooth non-stick surface.
- PVDF / PP / HDPE: Cost-effective options for mild corrosive and water treatment lines.
Housing & Metallurgy Options
Rugged metallic outer shells provide high pressure containment and mechanical strength:
- Cast Steel: ASTM A216 Gr. WCB for heavy-duty pressure valves and fittings.
- Carbon Steel Pipe: ASTM A106 Gr. B seamless pipe spools with A105 flanges.
- Ductile Iron: ASTM A395 / GGG40.3 for economical vibration-absorbing installations.
- Stainless Steel: CF8 / CF8M (SS304/SS316) for highly corrosive external plant atmospheres.
