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High pressure control valve
Mainly technical inspection
1,Nominal size(mm); 6 ,10 ,15 ,25 ,32 ,40 ,50,65
2,Seat ring diameter
3,Rated flow coefficient
4, Flow characteristic : Linear ,linear ,equal percentage
5, Nominal pressure: 22 32
6, Single pressure :standard signal :20~100;other signals : 40~200;60~180
Instruction :
1,this series can be used in medium temperature of ≤500°C
2,rated flow coefficient and flow characteristics are based on the end into side.
Main parts materials
Parts | Material | Parts | Material |
body | A105, WC9 etc. | packing | Flexible graphite |
seat ring gasket | Flexible graphite+mesh board | gland | ASTM A182 F316, A276 |
seat ring | ASTM A276 431 | stem | ASTM A182 F316, A276 |
spiral wound gasket | ASTM A276 431 | cover board | ASTM A29 1045 |
disc | Flexible graphite+316 | bonnet | A216 WCB, 316 etc. |
bonnet gasket | Flexible graphite+mesh board | cage gasket | Flexible graphite+mesh board |
main nuts | ASTM A29 1045 | main bolts | ASTM B7 |
Notice: We can tailor the valve products based on the customers’ demand. Due to the products’ continue update, the above data is just a reference. For the details, please contact us!
Type | Straight-through,cast globe valve ; 3-way cast globe valve |
Size | 15,20,25,32,40,50,65,80,125,150,200mm |
Pressure | PN1.6,4.0,6.4MPa |
Flange Standard | JB/T79.1(2)-94,GB/T9113.1(2)-2000 |
Materials | ZG(230-450),ZG1Cr18Ni9Ti,ZG1Cr18Ni12Mo2Ti etc. |
Bonnet | Standard type-17~+230,Heat type+230~450,Bellows sealing type -40~+350with the body as one-piece-45~+400 |
Gland type | Bolted gland |
Packing | V shaped PTFE packing,PTFE yarn packing,PTFE-impregnated asbestos yarn,asbestos yarn with graphite,graphite packing |
High pressure control valve