Cast Steel Gate Valve
KOSEN Cast steel Gate Valves are primarily used for stop valves fully opened or fully closed .They are not normally considered for throttling purposes,but more for slurries,viscous fluids,etc. Gate valves are characterized by a traveling wedge ,which is moved with the operation of the stem nut. Gate valves usually have a minimum pressure drop when fully open,provide tight shut-off when fully closed,and remain relatively free of contamination buildup.
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Product Description
KOSEN Cast steel Gate Valves are primarily used for stop valves fully opened or fully closed .They are not normally considered for throttling purposes,but more for slurries,viscous fluids,etc. Gate valves are characterized by a traveling wedge ,which is moved with the operation of the stem nut. Gate valves usually have a minimum pressure drop when fully open,provide tight shut-off when fully closed,and remain relatively free of contamination buildup.
Technical Specification
Normal SizeRange:
2"-24"
Normal Pressure Rating: PN10~PN420, CLASS150~2500
Material: WCB,LCB,WC6,CF8,CF8M,CF3,CF3M
TemperatureRange: -29°C~425°C
Standards compliance
Design and Manufacture: ANSI B16.34, API600, API6D, API603, BS1414
Face to face(end to end): ANSI B16.10, API6D
Flanged connection: 2"~24" to ANSI B16.5, 22",26"~36" to MSS-SP-44 or to API605 on Request
Test and inspection: API598, API6D
Butt welded end: ANSI B16.5
A. Anti-friction ball thrust bearing:Reduces friction between mating parts to ensure smooth operation
B. Grub screw:Secures yoke nut in the bonnet
C. Grease nipple:Supplies lubricant to the mating parts
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Forged Steel Gate Valve
KOSEN Forged steel Gate Valves are primarily used for stop valves fully opened or fully closed .They are not normally considered for throttling purposes,but more for slurries,viscous fluids,etc. Gate valves are characterized by a traveling wedge ,which is moved with the operation of the stem nut. Gate valves usually have a minimum pressure drop when fully open,provide tight shut-off when fully closed,and remain relatively free of contamination buildup.
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Investment Casting Screwed Gate Valve
The opening and closing part of the thread gate valve is a plug valve, the sealing surface is flat or conical, and the valve flap moves straight along the centerline of the fluid. The motion form of the stem has the lifting rod type (the stem lift, the handwheel not lifting), also the lifting and rotating rod type (the handwheel and the stem rotates with the lift, the nut is located on the body).
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Forged Cryogenic Gate Valve
KOSEN Forged steel cryogenic valves are mainly applicable to various piping systems of thermal power plants, cutting off or connecting piping medium. Applicable medium: water, steam and other non corrosive media. Compared with other valve products, forged steel valves are characterized by high temperature, high pressure and unique self sealing design. The higher the pressure, the more reliable the sealing is. Because of the special technical characteristics and special working conditions, the products also have the characteristics that other products can not replace.
Cast Bronze Gate Valve
KOSEN Cast Bronze Gate Valves are designed and manufactured to ensuru leakage of less tjan 100 ppm(parts per million) of volatile organic compounds. Extensive base line laboratory testing (static and cycle testing) has been performed establishing critical design parameters necessary to achieve low emission sealing in the KOSEN stem packing seal area and in the bonnet gasket sealing area, in-house testing procedure has been developed and is periodically performed to ensure that standard product design and manufacting criteria consistently result in the KOSEN Cast Bronze Gate Valve meeting a maximum of 100ppm Voc leakage prior to shipment.
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