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PTFE Lined Diaphragm Valve

PTFE Lined Diaphragm Valve Manufacturer

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.

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

Material of Construction

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

oil-gas-industry
Crude Oil & Natural Gas Industry
chemical-processing
Chemical & Petrochemical Industry
water-treatment-filtration-industry
Water & Wastewater Treatment
power-generation-industry
Nuclear & Thermal Power Generation
food-and-beverage-industry
Food & Beverage Industry
pharmaceutical-industry
Pharmaceutical & Biotechnology
pulp-and-paper-industry
Pulp & Paper Industry
mining-mineral-industry
Mining & Mineral Processing
marine-shipbuilding-insutry
Marine & Shipbuilding
hvac-building-services
HVAC & Building Services
automotive-paint-chemical-manufacturing
Automotive & Paint Chemical Manufacturing
environmental-bio-gas-renewable-energy
Environmental & Bio Gas Renewable Energy
steel-metal-processing
Steel & Metal Processing
fertilizer-plants-polymer-production
Fertilizer Plants, Polymer Production
cosmetics-personal-care
Cosmetics & Personal Care
cement-construction
Cement & Construction
chlor-alkali-industry
Chlor-Alkali Industry
mineral-acids-industry
Mineral Acids Industry

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