SHANGHAI GAOCHUAN VALVE MANUFACTURE CO.,LTD. |
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.
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
Body material: carbon steel, stainless steel, alloy steel
Nominal diameter:2"~32"(DN50~DN800)
Pressure range: Class150~600(PN16~PN100)
Working temperature:-196℃~560℃
Operationwrench, 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. | Electricity, petroleum, chemical industry, papermaking, metallurgy, aerospaceand other industries |