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Power plant check valve SDH61Y-320

SDH61Y-320

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Description

Product overview
H61Y-200 H61Y-250 H61Y-320 high voltage valve pipe ends welded structure, welding groove can be made according to the standard or user requirements, is suitable for the thermal power plant, petrochemical, metallurgical and other high temperature and high pressure steam, water, oil, steam pipe for preventing device of medium flow. One is the introduction of ANSIB16.34 and JIS type according to E101 standard; the other is a national standard Jb3595 standard. Temperature and pressure rating of the following is the same, in some pipeline there are some exchange relation. In the middle of the valve cover junction valve pressure, has good sealing performance under high temperature and high pressure conditions. Self sealing ring has two kinds: one kind is the low carbon steel materials, the other is a flexible graphite with 316 wire (network). Sealing surface is welded cobalt base hard alloy. The processing of pure metal layer is more than or equal to 3mm, with a wear-resistant, high temperature resistance, corrosion resistance, abrasion resistance, long service life.
Structure characteristics:
1, the valve flap quenching, and can move on the body, medium back, by the medium pressure and the automatic valve valve spring.
2, valve body, valve cover for die forgings.
3, the valve seat sealing surface using cobalt based alloy plasma spray surface. Wear resistance and good anti abrasion performance.
4, check valve should be installed in horizontal pipelines medium flows from down to up.
Execution standard:
1.The design and manufacture and acceptance by thermal power valve standard ANSIB16.34 API6D GB12236 E101 and JB/T3595, DL/T531 prescribed standards.
2, the structure length by E101, JB/T2766, GB/T15188.1 ANSIB16.10 GB12221 standard or according to user requirements.
3, pressure - temperature level by E101, JB/T3595 API598 GB9131 prescribed standards.
4, according to the welding groove size GB12224, JB/T3595, ASME B16.25 ANSIB16.25 standard rules

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