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Gear Box Butterfly Valve

The gear box butterfly valve is simple in structure, small in size and light in weight, and consists of only a few parts. The valve can be opened and closed quickly with only 90 degrees of rotation, and the valve has good fluid control characteristics. Features: • Spline driven one piece shaft connected to spherically machined disc allows high torque transmission i.e. quick response and minimum back-lash • Long term reliability due to upper and lower anti-friction bearings • Safe maintenance: shaft blow out protection with circlip • Position indicator

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Gear box butterfly valve

The gear box  butterfly valve is simple in structure, small in size and light in weight, and consists of only a few parts. The valve can be opened and closed quickly with only 90 degrees of rotation, and the valve has good fluid control characteristics.


Features: 

• Spline driven one piece shaft connected to spherically machined disc allows high torque transmission i.e. quick response and minimum back-lash 

• Long term reliability due to upper and lower anti-friction bearings 

• Safe maintenance: shaft blow out protection with circlip 

• Position indicator

 

Body materials :carbon steel, stainless steel,  Alloy Steel, Duplex Steel.
special material (duplex, inconel)

Body Material: WCB, CF8, CF8M, CF3, CF3M, CAST IRON ,A105 ,904L ,etc.

Valve seat materials :inconel, others on request

Seal materials   graphite / stainless steel, inconel, stainless steel, PTFE
Size range(s):NPS 2 - 48 (DN50 - 1200)

Pressure rating:ASME Classes 150 - 600

Disc Sealing:    PTFE, Graphite Laminated
Operation:   Gear

Standards:ASTM, ANSI,AWWA, JIS,BS, GOST, DIN etc.

 

Applicable Standard
 Design Standard:     API 609, MSS SP-67, MSS SP-68, BS 5155
 Face to Face:   API 609, ASME B16.10, BS 5155, EN1092
 End Connection:     ASME B16.5, ASME B16.47
 Inspection and Test: API 598/API6D/EN12266-1



Gear box butterfly valve1.jpgGear box butterfly valve2.jpg

Hot Tags: gear box butterfly valve, China, Wenzhou, manufacturers, suppliers, factory, customized, price list, in stock, made in China

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