China Ductile Iron Wafer Butterfly Valve with Wras Coated

Feature• Single piece through shaft.
• Vulcanized seat design for bubble-tight shutoff at 300 psi.
• Flag type position indicator.
• Low torque operation, high cycle life.
• With built-in supervisory switch.
• Top flange to ISO 5211/1.
• Flanges designed to EN1092-2 PN10/PN16, ANSI B16.1 Class125 ( Other types available on request).
Working Pressure
300PSI.
200PSI and 250PSI available on request.
Working Temperature
0.6°C-52 °C

Corrosion Protection

Installation of Gear Operator With Tamper Switch:

Butterfly valves are provided with internal supervisory position switches. The tamper switch operates by a cam connected to the valve stem. The switch will change position and close within two full turns of the handwheel from the fully open position.
Material Specification

Part Name

Material

EN Spec.

ASTM Spec.

Valve

Body

Ductile Iron

EN-JS1050

A536 65-45-12

Disc

Ductile Iron

EN-JS1050

A536 65-45-12

Shaft

Stainless Steel

BS970 431S29

AISI431

Bushing

Brass

CuZn39Pb3

B16 C36000

Gear Operator

Housing

Cast Iron

EN-JL1040

A126 Class B

Cover

Cast Iron

EN-JL1040

A126 Class B

Wormgear

Brass

CuZn39Pb3

B16 C36000

Worm

Stainless Steel

BS970 420S37

AISI420

Handwheel

Cast Iron

EN-JL1040

A126 Class B

SizeABDECFGHLMDN5011074904312017065155150200DN65118859046DN80130959046DN1001451159051.5DN1251601309056DN1501751459056.5DN2002001701256016022585206200300DN25025020812568.5DN300275237.512579.5

Packing Details:

Each pc into one bubble plastic bag, several pcs into one wooden case; Wooden packing will protect the goods from damage during transportation

Delivery Details:

Within 30 days after order /confirm/ied;
Certificate: