Butterfly Valve Wafer

Wafer and lugged wafer Type Widely

used in process and general industries, Power, Building and construction, water treatment plant, Sugar, Chemical and cement industries.

Special Features:

• Top flange double drilled to suit ISO 5211

• Bolt circle dimensions to suit all standard Like DIN, ANSI, API, BS 10 Table D&E etc.

• Unique centre stem lock design virtually eliminates any disc movement while during the open / close function

• Unique stem retention system to blow out proof stem easy assembly & Disassembly of valve

• Teflon lined butterfly valves & Teflon + Ti Butterfly valves

Constructional Features:

Body

Heavy Duty single piece/two piece wafer and lugged wafer body designed to withstand specified pressures & Ratings Disc Investment high strength disc with polished

Disc

edges and hubs ensures excellent corrosion resistant to several chemical media

Seat

Moulded seat design – Replaceable (As well as act like a flange gasket)

Stem

Two piece stem with close tolerances with double d drives eliminate the need of taper pins and also top stem locked with disc of SS Grub Screws

Secondary Seal

PTFE Teflon absorbs the force acting on the stem assembly due to line pressure and also act as secondary seal as well as gland seal

Technical Specification

Design and Manufacturing Standard

• IS 13095:1991 / API 609 / BS 5155

Testing Standard

• ANSI B 16.5 Class 150Lbs / API 598

Size range

• 40mm to 600mm

Operation

• Manual hand lever (up to 200mm)

• Manual Gear Box (Above 200mm)

• Electrical and Pneumatic actuator with accessories & manual override

End Connection

• To Suit ANSI # 125 / 150