PTFE Lined Reducing Flange
Used when face-to-face space does not permit standard conical reducers. The heavy steel plate is lined with machined or molded virgin PTFE flared over both faces to provide an immediate flange-to-flange transition.
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Quick ReplyKey Engineering Highlights
- Zero face-to-face envelope reduction solution
- Full PTFE envelope encapsulation on all process-wetted surfaces
- Tapped bolt holes or through-bolt designs per ASME B16.5
- 100% Spark tested for pinhole-free chemical barrier
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
- Concentric Reducing Flange
- Eccentric Reducing Flange
| Technical Parameter | Verified Specification Standards |
|---|---|
| Lining Material | PTFE, PFA |
| Body Material | Carbon Steel ASTM A105 / IS 2062 |
| Size Range | 1-1/2" x 1" to 12" x 6" |
| Pressure Rating | Class 150# / PN16 |
| Temperature Range | -29°C to +180°C |
| End Connection | Dual bolt circle ANSI Class 150 |
| Testing Standards | ASTM F1545 |
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.
