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Factory Free sample Full Bore Butterfly Valve - High Performance Wafer Butterfly Valve – BVMC

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Factory Free sample Full Bore Butterfly Valve - High Performance Wafer Butterfly Valve – BVMC Detail:

Body

• The valve body shall be one piece cast or fabrication.
• The body can be supplied with different types of materials in wafer, lug, or flanged and butt welding end connections to satisfy all installation requirements.

Body Seat

• The valve seat shall be integrated with the body.
• Stellite or stainless steel shall be applied on the seating surfaces of valve body.
• The valve seat is designed for inclined cone to ensure non-rubbing, non-jamming, bi-directional shutoff, and zero leakage.

Technical Specification

Structural formation Single eccentric structure/double eccentric structure / three eccentric structure/ variable eccentric structure
Design reference CJ GB JB API
Driving manner Hand – operated, worm wheel & worm screw pneumatic operated, Electric – driving
Design standard GJ/T 216
GB/T 12238
JB/T8527
API 609
MSS.SP – 68
Face to face GB/T 12221 ASME B16.10
API 609 MSS.SP – 68
Flanged ends JB/T 79. JB/T 82 BG/T9113
GB/T 17241.6
ASME B16.5
ASME B 16.47
Test & inspection GB/T 13927
JB/T 9092
API 598

Note: The sizes of valve connecting flange and butt-welding terminas can be designed according to customer’s requirement.

Major Parts Material Form

NO. Part name Materials
1 Body WCB.CF8 CF8M CF8C CF3 CF3M LCB、QT450-10
2 Stem 12Cr13.20Cr1306Cr18Ni9Ti06Cr18Ni12Mo2Ti
3 Disc WCB+F4WCB+Stainless steel composite partsQT450-10+NBR WCB+F6CF8CF8M、QT450-10+EPDM
4 Packing seat 20Cr13
5 Packing Graphite
6 Stuffing cover WCB.CF8 CF8M
7 Yoke WCB.CF8 CF8M CF3 CF3M
8 Worm device

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