Butterfly valve

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SHANGHAI HUIXUAN VALVE

Mobile:+86-17717520739
Wechat:17717520739
Email：info@shxvalve.com
Address: NO.720, Suide Road, Jiading District,Shanghai, China.
Ball valve manufacturer

Soft seated high performance butterfly valve

China Soft seated butterfly valve factory

Port size：2″ to 80″,DN50-DN2000
Pressure：PN10-16 bar,150LB,JIS 5K 10K
Structure：Concentric,eccentric structure is optional
Medium：Water,air,etc.
Temperature :-29～120℃
Body material：Cast iron,ductile iron,carbon steel,stainless steel,etc.
Connection：Flanged,wafer or lugged end
Feature：Zero leakage,different operation is optional.

Product Description

China soft seated butterfly valve manufacturer, factory and supplier. Soft seated butterfly valve can be concentric and eccentric structure, which provide a bi-directional bubble-tight shutoff (zero leakage) by the use of a patented seat. Soft seated butterfly valve is designed for high services with minimal wear and low torque. Seat replacement is a simple operation, requiring no special tools.

Soft seated butterfly valve specification

Sizes available: 2″-80″ (50-2000mm)
Body Connection: Flange, Wafer,Lug type
Body Materail: WCB,304SS, 316 SS (A351-CF8 CF8M)
Disc Materail: WCB, 304SS, 316 SS (A351-CF8 CF8M)
One piece stem: 17-4PH or 316SS
Packing: PTFE or graphite
Seats Design: NBR,EPDM,VITION,PTFE Soft Seat,
Manual Operator: Lever Handle, Worm Gear Operator
Automatic Operation: Pneumatic Spring Return, Pneumatic Double Acting, Electric Motor
Pressure ratings: ANSI Class 150; DIN ISO PN10, PN16.
Shell/Seat Test: API 598

Soft seated butterfly valve feature
• One-piece stem design with ISO 5211 square drive
• ISO 5211 direct mounting flange on the valve body
• Easy-adjust gland packing accessible with actuator mounted in place
• Belleville washers on the gland nut offer reliable primary sealing between shaft and packing
• Retaining ring for both equably pressing on packing and stem blowout proof
• Multiply rows of RPTFE chevron for soft seat valve and Graphite chevron for fire safe and metallic seat
• Extended neck for pipe insulation
• Self-energized seat resulting in longer life and reduced maintenance Pin-less shaft to disc connection makes the valve convenient for parts replacement and reliable even under corrosion
• Seat retainer supports the seat and allows for easy change out
• Double offset disc reducing the valve torque
• Alloy harden disc surface for metal seat increases the sealing life time
• Integral disc stop prevent disc from over travel
• Soft seat, fire safe seat and metallic seat are replaceable each other
• PTFE lined SS316 bearing support stem and increase service life
• Thrust ring for anti-blowout and anti-static

Butterfly valve

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SHANGHAI HUIXUAN VALVE

China Soft seated butterfly valve factory

HUIXUAN

Butterfly valve

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