Butterfly valve
Electric Tri-eccentric Flange Butterfly Valve PWBGH-04 Series
Performance parameter


• Excellent gas and liquid isolation and flow regulation characteristics
• Welded stainless steel or surfacing welded stellite carbide seat
Suitable for long life use
• Open and close at the valve seat without friction, no wear, no jam (only tight)
• Sealing ring for easy replacement and adjustment of sealing performance
• Suitable for harsh working conditions such as high temperature and high pressure and corrosive
• Metal/metal hard seal up to +600 ° C
• Self-compensation process temperature changes.
• Low operating torque and reliable torque shutoff
• Essential fire safety design.

Product Standards

Design and manufacturing standards: JB/T 8527, API 609, EN 593,
ISO 10631
Flange connection standard: GB/T 9113,
ASME B16.5 ASME B16.47, EN 1092, ISO 7005
Structure length standard: GB/T 12221,
API 609 ASME B16.10, EN 558, ISO 5752
Test inspection standard: GB/T 13927,
API 598, EN 12266-1, ISO 5208

Technical Parameters 

Nominal diameter: 2" ~ 160" (DN50~4000)
Nominal pressure: 150LB ~ 600LB (PN10~100)
Temperature range: -180 ° C ~ 700 ° C
Connection method: clip type, lug type, flange type, butt welding type
Applicable medium: fresh water, sea water, sewage, air, steam,
Food, medicine, oil and each
 Oil, acid, alkali, salt with weak corrosive medium, etc.