Triple Offset Butterfly Valve

Description

Triple offset butterfly valve are vital in applications where bubble-tight shut off is needed. In a few applications, bubble-tight shut off can’t be accomplished utilizing twofold counterbalanced butterfly valves. A few applications don’t give themselves well to conventional butterfly valves, for instance applications including savage chemicals or media with little particles inclined to obstructing valves and duct.

Design Feature

Frictionless closure
Super long usage life
Double block and bleed
ISO 5211 top flange
Zero leakage
Blowout-proof stem
Fire safe design

Design Standard

Design: API 609
Face to face: API609/ASME16.1
Test: API598
Fire safe: API607/API6FA
End connection: ASME:16.5/ ASME:16.47

Technical Specification

Size: 2”~60”
Class: 150#~2500#
Connection: flange/butt weld/lug/wafer
Operation: Manual/ Worm Gear/ Pneumatic actuator/ Electric actuator Temperature: -196°C to +550°C
Application: Water treatment /petroleum/chemical/power plant/iron and steel industry.

Material Option

Body: Carbon steel/stainless steel/hastelloy/inconel alloy/monel
Trim: A105/SS304/SS316/F304/F316 
Stem: 17-4PH/SS316/F316/F6a

Structural Drawing

 

 

 

 

Materials List

Remarks: 1. Pressure and temperature rating of shell material referred to Appendix F.
2. Chemical composition and mechanical properties of shell material referred to Appendix G.
3. Rated temperature of valve seat referred to Appendix E.
Type of body connection. The connection between triple eccentric butterfly valve body and pipe can be double flanged, wafer and lug wafer.

Technical Specification

 

Note: The experimental valve of pressure In the table is subject to the pressure and temperature rating of WCB.

Main Outline Dimensions & Weight

 

Product Picture

 

 

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