Butterfly Valve

Type

Rack and Pinion Type

Actuation

Double Acting/ Single Acting (Spring Return)

Mounting Std.

ISO 5211 an International Standard

Pneumatic Connections

NAMUR Standard

Body

I.C/ CI (IS 210 Gr. FG 200/ 220) WCB/ S.S 304/ S.S 316

Disc

CF8/CF8M/ CF3M/ S>G. Iron/ Teflon Coated/ Powder Coated” Nylon Coated/ Rubber Line

Seat

EPDM/ Nitrile/ Hayplon/ Viton/ Moulded or replaceable muffler type

Shaft

AISI 410/ CF8/ CF8M/ CF3M

Valve Type

Centric disc butterfly valve with a single piece rubber lined body

Body Tye

Short water (sandwiched between flanges)

Seat Type

Integrally moulded with the body

End Connecting

PN 10/ PN 16 (on request

Pressure Rating

-25ºC to 130ºC (depending on MOC)

Oper Temperature Range

Tight shut off

Seat Leakage

Hand lever for sizes from 40mm to 350mm

Operation

Worm gear boxes for 40mm to 1000 mm

Item

Type of Test

Testing Pressure

Operating Temperature (Normal)

Operating Temperature (high)

Actuator

Pneumatic Bubble Test

180 to 150 PSIG

-20ºC to 80ºC

High temp. on request

Valve Body

Hydraulic

225 PSIG

Max. 180ºC

High temp. on request

Seat

Hydraulic

150 PSIG

Max. 180ºC

High temp. on request