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water gate valve,
steel gate valve
GOST 5762 Cast Steel Resilient Seated Gate Valve for Water Gas Oil GOST 3706-93
Gate valves normally have flanged ends which are drilled according to pipeline compatible flange dimensional standards. Gate valves are typically constructed from cast iron, ductile iron, cast carbon steel, gun metal, stainless steel, alloy steels, and forged steels.
Gate valves are characterised as having either a rising or a nonrising stem. Rising stems provide a visual indication of valve position because the stem is attached to the gate such that the gate and stem rise and lower together as the valve is operated. Nonrising stem valves may have a pointer threaded onto the upper end of the stem to indicate valve position, since the gate travels up or down the stem on the threads without raising or lowering the stem. Nonrising stems are used underground or where vertical space is limited
Design and Manufacture: GOST 5762-2002
Face to face: GOST 3706-93
Flanged drilled conforms to: GOST 12815-80
Test and inspection: GOST 356-80
|PN(Mpa)||Shell test(Mpa)||Sealing test(Mpa)||Top seal test(Mpa)||Air seal test(Mpa)|
|Body Bonnet||Stem||Seat||Sealing shim||Packing||Working temperature||Suitable medium|
08 Soft Steel
Water , neutral liquid , gas , oil , etc.
Competitive Advantage: meet various customer’s demand