01/03PTFE Lined Ball Valve
- Size
- ½″ to 10″ (DN 15–250)
- Standard
- BS EN ISO 17292:2004 (Formerly BS 5351)
- Lining
- 3 to 5 mm
PTFE Lined Diaphragm Valve
PTFE Lined Diaphragm Valve Manufacturer
- Size
- DN15 – DN250
- Standard
- BS EN 13397:2002 (Formerly BS 5156)
- Lining
- 3 to 5 mm
MVS Valves PTFE Lined Diaphragm Valve is a high-performance solution for industries that demand corrosion resistance, bubble-tight shut-off, and contamination-free operation. Engineered with a Weir A Type cavity-free design, this valve ensures smooth and sterile media flow, making it a preferred choice in chemical, pharmaceutical, and biotech processes. The body lining is available in Polypropylene (PP), PTFE, FEP, PFA, and PVDF, all of which provide outstanding resistance to aggressive chemicals and ensure longer service life. With size ranges from DN 15 to DN 250 and pressure ratings up to PN 16 (ANSI Class 150), these valves are available in ductile iron, carbon steel, and stainless steel construction, with options for manual, pneumatic, and electric actuation.
The strong PTFE backed by EPDM or Neoprene rubber diaphragm makes sure tight sealing while resisting both temperature and chemical wear. These lined diaphragm valves are manufactured as per international quality standards and tested rigorously to ensure compliance with operational and safety benchmarks. The PTFE Lined Metal Diaphragm Valves are engineered to handle extreme media in continuous and batch processing systems, ensuring consistent performance over extended cycles.
For applications requiring clean, reliable shut-off, Fluoropolymer Lined Diaphragm Valves, including PFA Lined Diaphragm Valves, FEP Lined Diaphragm Valves, and PVDF Lined Diaphragm Valves, deliver excellent thermal and chemical resistance. MVS also offers Fluorine Lined Diaphragm Valves and Fluoroplastic Lined Diaphragm Valves, which are particularly effective in high-purity processes. Whether you require Weir A Type Plastic Lined Diaphragm Valves or Fully Lined Weir A Type Diaphragm Valves, each product is built for reliability, ease of maintenance, and precise control.
Our wide range of valves also includes PTFE Lined Weir Type Diaphragm Valves, PFA Lined Weir Type Diaphragm Valves, and PVDF Lined Weir Type Diaphragm Valves, which are suitable for aggressive chemical services, chlor-alkali plants, and acid dosing systems. For larger industrial setups, we manufacture DN 200 (8″) and DN 250 (10″) Big Size Weir Type PTFE Lined Diaphragm Valves, offering robust operation under high-flow conditions.
MVS makes sure consistent quality across all configurations, including PTFE Diaphragm Valve, Fluorocarbon Resin Lining Diaphragm Valves, and Corrosion Acid Chemical Resistance Lining Diaphragm Valves, delivering long-lasting performance even in extreme conditions. Our valves are trusted in global markets, thanks to our advanced engineering standards and comprehensive range that also includes Stainless Steel SS 304 and SS 316 PTFE, FEP, PFA, PVDF, PP Lined Diaphragm Valves for specialized applications. Every valve reflects our commitment to delivering efficiency, safety, and chemical compatibility—ensuring performance you can trust in the most demanding applications.
Technical datasheetPTFE Lined Diaphragm Valve
Quote for this specification| Specification | Details |
|---|---|
| Valve Type | Weir A Type PTFE / FEP / PFA / PVDF / PP Lined Diaphragm Valve |
| Design Standard | BS EN 13397:2002 (Formerly BS 5156) |
| Valve Size | DN15 – DN250 |
| Face to Face | EN 558 Series 7 (BS5156) |
| Flange | As per ANSI B16.5 |
| Drilling | ASA #150 / DIN 2632/33 / BS 10 TABLE D, E, F |
| Lining Thickness | 3 to 5 mm |
| Testing Standard | BS EN 12266-1&2 (2003) |
| Test & Inspection - Hydraulic | Body (Shell) – 15 Kg/Cm² Seat – 11 Kg/Cm² |
| Test & Inspection - Pneumatic | Seat – 6 Kg/Cm² (Class VI Sealing) |
| Spark Test | 15 KVDC |
| Features | Ideal for industrial & corrosive duties 100% leak tight (Class VI Leakage Rate) operation Low maintenance Best performance in throttling & flow control applications Complete isolation of working parts from process stream |
| Optional Components | EPDM diaphragm backup Metallic handwheel Spindle – SS 304/316/410 Pneumatic actuator |
| Lined Body | Ductile Iron GGG40.3 FEP Lined |
| Bonnet | Ductile Iron / WCB |
| Spindle | CS PTFE Coated |
| Compressor Pin Type | Ductile Iron / WCB |
| Handwheel | ABS / Metallic |
| Opening Indicator Sleeve | HDPE |
| Diaphragm (Pin Type) | PTFE Backed with Neoprene Rubber |
| Compression Spring | SS |
| Dowell Pin | Spring Steel |
| Packing Washer | PP |
| Stud | SS |
| Nut | SS |
| Plain Washer | SS |
| Body Material Options | Ductile Iron GGG40.3 / ASTM A395 Cast Steel ASTM A216 Gr. WCB ASTM A351 Gr. CF8 / SS 304 ASTM A351 Gr. CF8M / SS 316 |
| Lining Material Options | PFA – ASTM D 3307 FEP – ASTM D 2116 PVDF – ASTM D 3222 Polypropylene – ASTM D 4101 |
Application Industries
01Crude Oil & Natural Gas Industry
02Chemical & Petrochemical Industry
03Water & Wastewater Treatment
04Nuclear & Thermal Power Generation
05Food & Beverage Industry
06Pharmaceutical & Biotechnology
07Pulp & Paper Industry
08Mining & Mineral Processing
09Marine & Shipbuilding
10HVAC & Building Services
11Automotive & Paint Chemical Manufacturing
12Environmental & Bio Gas Renewable Energy
13Steel & Metal Processing
14Fertilizer Plants, Polymer Production
15Cosmetics & Personal Care
16Cement & Construction
17Chlor-Alkali Industry
18Mineral Acids Industry
Related Valves
Related products
01/03
02/03PTFE Lined Plug Valve
- Size
- DN 15–DN200 (½″ - 8″)
- Standard
- BS 5158:1989
- Lining
- 3 to 5 mm
03/03PTFE Lined Butterfly Valve
- Size
- 2″– 24″ (DN50 – DN600)
- Standard
- BS EN 593:2004 (Formerly BS 5155)
- Lining
- 3 to 5 mm
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PTFE Lined Diaphragm Valve
Frequently Asked Questions
Ask our engineers
Can’t find your duty condition here? Send us the media, size, pressure and temperature and we will specify the valve. Contact us
What is a PTFE lined diaphragm valve and how does it work?
A Weir A type diaphragm valve with the body fully lined in PTFE, FEP, PFA, PVDF or PP, and a PTFE diaphragm backed with neoprene rubber. The handwheel drives a compressor that presses the diaphragm onto the weir to close the line. Nothing metallic touches the media, and there is no stem packing at all — the diaphragm itself seals the process from the bonnet, which is why this valve achieves 100% leak-tight Class VI sealing.
Which body and lining materials are available?
Lined body in Ductile Iron GGG40.3, with options in ASTM A395, Cast Steel ASTM A216 Gr. WCB and ASTM A351 Gr. CF8/CF8M. Lining in PFA (ASTM D3307), FEP (ASTM D2116), PVDF (ASTM D3222) or Polypropylene (ASTM D4101), at 3–5 mm. Bonnet in ductile iron or WCB, spindle in PTFE-coated carbon steel, diaphragm PTFE backed with neoprene, compression spring and studs in stainless. Handwheel in ABS or metallic, with an HDPE opening indicator sleeve.
What size, pressure rating and standards apply?
DN 15 to DN 250 at a PN10 nominal rating. Designed to BS EN 13397:2002 (formerly BS 5156), face-to-face per EN 558 Series 7 (BS 5156), flanges to ANSI B16.5 with drilling to ASA #150, DIN 2632/33 or BS 10 Table D, E, F. Tested to BS EN 12266-1 & 2 (2003) — hydraulic shell 15 kg/cm², seat 11 kg/cm², pneumatic seat 6 kg/cm² at Class VI sealing — plus a 15 KVDC spark test.
When should I choose this over a lined ball or plug valve?
When you need absolute isolation of the media from the stem, or the line carries solids that would score a rotating seat. A diaphragm valve has no cavity, no packing and no rotating seal, so it handles slurries and crystallising media that would jam a lined ball valve, and it throttles better than either. The trade-offs are a higher pressure drop and a diaphragm that is a wearing part.
Are you a manufacturer, and what are your minimum order quantity and customization options?
MVS is described as the largest diaphragm and ball valve exporter from India, manufacturing at its own works since 1978 and ISO 9001:2015 certified. The minimum order quantity is 20 pieces. EPDM diaphragm backup, metallic handwheel, SS 304/316/410 spindles and pneumatic actuated assemblies are built to order.