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Wafer Type Backseated Butterly Valve with Double Stem

Technical specification: Design:Centerline design, double stem without pin, back-seat (hard seat ) butterfly valve End connection: wafer end Medium: Water, Temperature range: -20℃ to 120℃. Design standard: API 609 Side flange: ANSI 125, ANSI 150, DIN PN10, PN16 or customer need Top flange......
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Technical specification:
Design:Centerline design, double stem without pin, back-seat (hard seat ) butterfly valve
End connection: wafer end
Medium: Water,
Temperature range: -20℃ to 120℃.
Design standard: API 609
Side flange: ANSI 125, ANSI 150, DIN PN10, PN16 or customer need
Top flange standard: ISO 5211
Test standard: API 598
Operation: Handle, gearbox, electric actuator, pneumatic actuator or hydraulic actuator 


Application:

Petroleum industry, Shipbuilding industry, Urban water supply and drainage pipeline, etc.

 

Material
Body: Ductile cast iron, cast iron,
Disc: SS 304, SS316, Ductile cast iron, Aluminum-bronze
Stem: SS316, SS410, SS416, SS304, SS 17-4PH
Seat: NBR, EPDM, VITON, high temperature EPDM, Food grade EPDM

 

Surface:

Epoxy resin coating both inside and outside the body

 

Advantages
1. With centerline design, simple structure and easily operation
2. Double stem of square connection between stem and disc, more reliable performance.
3. Pinless design to save material.
4. Back-seat design is more easily to assembly and disassembly.


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    Add: No.18 Taishan Road, Ningjin county, Shandong Province, China
    Tel: +86-534-7076208
    Mob: +8613905343666
    E-mail: njcuishusheng@vip.163.com
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