Active Member
|
[China]
Address: No.1675, Fengxiang Road, Baoshan City Industrial Zone, Baoshan District, Shanghai, China
Contact name:Olivia
Kata Valve (Group) Co., Ltd. |
|
High temperature resistant Steel Material Wafer Check Valve NPS2"-36" Class 150-1500LB
Body and Bonnet Connection
The body and bonnet of class 150-900 check valve are usually wit studs and nuts.And the body and bonnet of class 1500-class 2500 check valves are usually of pressurized seal.
Body-to-bonnet Joint
Stainless steel flexible graphite wounded gasket is used for class 150 and class 300 check valve;Stainless steel flexible is graphite woulded gasket is used for class 600 check valve,and joint gasket is also optional for class 600 check valve;Ring joint gasket is used for Class 900 check valve;Pressurized seal design is used for Class 1500- 2500 check Valves.
| Parts Name | Materials | ||||
| WCB/TRIM 1 | WCB/TRIM 5 | WCB/TRIM 8 | CF8/304 | CF8M/316 | |
| body | ASTM A216 WCB | ASTM A216 WCB | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M |
| seat ring | A105 +12Cr | A105 +STL | A105 +STL | ASTM A182 304 | ASTM A182 316 |
| disc | ASTM A216 +13Cr | ASTM A216 +STL | ASTM A216 +13Cr | ASTM A351 CF8 | ASTM A351 CF8M |
| racker | ASTM A216 WCB | ASTM A216 WCB | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M |
| nut | ASTM A194 2H | ASTM A194 2H | ASTM A194 2H | ASTM A194 8 | ASTM A194 8 |
| arm pin | ASTM A182F6a | ASTM A182F6a | ASTM A182F6a | ASTM A182F304 | ASTM A182F316 |
| yoke | ASTM A216 WCB | ASTM A216 WCB | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M |
| bonnet nut | ASTM A194 2H | ASTM A194 2H | ASTM A194 2H | ASTM A194 8 | ASTM A194 8 |
| bonnet bolt | ASTM A193B7 | ASTM A193B7 | ASTM A193B7 | ASTM A193B8 | ASTM A193B8M |
| gasket | 304 graphite | 304 graphite | 304 graphite | 304 graphite | 304 graphite |
| bonnet | ASTM A216 WCB | ASTM A216 WCB | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M |
Design
KATA cast steel check valves are designed and manufactured to provide maximum service life and dependability. All check valves meet the design requirements of American Petroleum Institute standard API600 & 6D.BS EN 13709 and generally conform to American Society of Mechanical Engineers standard ASME B16.34. Valves are available in a complete range of body/cover materials and trims.
Ranges of Materials
Standard body/cover materials include nine grades of carbon, low alloy and stainless steels, for special applications they can be supplied in other grades of alloy and stainless steel, there's a full range of trim materials to match any service optional packing and gasket materials are available for a full range of service conditions.
Applicable Standards
●STEEL CHECK VALVES, API 6D
●STEEL CHECK VALVES,ISO14313
●STEEL VALVES,ASME B16.34
●FACE TO FACE, ASME B16.10
●END FLANGES,ASME B16.5
●BUTTWELDING ENDS,ASME B16.25
●INSPECTION AND TEST, API 598/API 6D
