Factory wholesale Semi Lug Butterfly Valve - High Performance Butterfly Valve – Newsway

High Performance Butterfly Valve

High Performance Butterfly Valves which are available in Class 150/300/600 and PN16/25/40/100 pressure ratings. Our Wafer High Performance Butterfly Valves are also available with unique soft seat, metal seat and fire-safe seat, the body material can be Carbon steel (WCB), 316 Stainless Steel or others upon request. Valve connections can be lug type, wafer type or double flange type for customers to choose.

Sizes available: 2″-60″ (50-1500mm)

Body Connection: Wafer type

Body Material: Carbon steel (ASTM A216 WCB) or 316 SS (A351-CF8M) or SS304 (ASTM A351-CF8)

Disc Material: 316 SS (A351-CF8M) or SS304 (ASTM A351-CF8)

One piece stem: 17-4PH or 316SS

Packing: PTFE or graphite

Unique Seats Design: Soft Seat, Metal Seat or Fire Safe Seat 

Manual Operator: Lever Handle, Worm Gear Operator

Automatic Operation: 

Pneumatic Spring Return, Pneumatic Double Acting, Electric Motor.

Pressure ratings: ANSI Class 150, 300, 600; DIN ISO PN16, PN25, PN40, PN100

Shell/Seat Test: API 598 

Newsway Valves Materials

NSW valve body and trim material can be offered in Forged type and Casting type. Next to stainless and carbon steel material, we also manufacture valves in special materials such as titanium, nickel alloys, HASTELLOY®*, INCOLOY®, MONEL®, Alloy 20, super-duplex, corrosion resistant alloys and urea grade materials.

Available materials