广东快乐十分

Twin Seal Plug Valve
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Twin seal plug valve

Product Description:

The forced sealed guide valve’s sphere, also named as combination ball, is composed of three blocks, of which one wedge cone is in the middle with two inclined planes of 5° at two sides respectively on which dovetail grooves are milled. A guide pin is provided in the center of the valve stem with one idler wheel sliding within the guide groove of the bracket equipped on each side. The motion trail of the valve stem is limited by the guide groove. 
 

Technical Specifications

Design standard: API 6D、GB/T 12224
Face to face standard: ASME B16.10、GB/T 12221
Flange ends: ASME B16.5、ASME B16.47、GB/T 9113
Pressure test:API 598、GB/T 13927
 

Product Specifications

Body material: carbon steel, stainless steel, alloy steel
Nominal diameter:2"~32"(DN50~DN800)
Pressure range: Class150~600(PN16~PN100)
Working temperature:-196℃~560℃
Operation :  wrench, worm gear, electric,etc
 

Design Features
Application

During closing, no relative friction appears between the ball and the valve body sealing face, ensuring a reliable tightness and long service life with the average life several to dozens of times longer than that of the gate valve.
Large flow area, small flow resistance, high sealing pair hardness.
The valve body and ball sealing faces can be overlayed or sprayed with high-hardness, corrosion-resisting alloy materials, being applicable for pipelines with high-temperature, high-pressure, low-temperature and strong-corrosion medium. It can completely replace the gate valve in terms of function.
With small opening/closing torque, which is only 1/2 to 1/3 of that of the gate valve, and with short opening/closing time, which only is 1/5 to 1/10 of that of the gate valve,being able to realize rapid close. 

 

Electricity, petroleum, chemical industry, papermaking, metallurgy, aerospaceand other industries

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