All basic design features of cast steel swing check valves are adapted to special service conditions at cryogenic temperatures.
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All basic design features of cast steel swing check valves are adapted to special service conditions at cryogenic temperatures.
ADDITIONAL DESIGN FEATURES:
• Extended bonnets with sufficient gas column length, usually specified by customer, are supplied for all valves to keep stem packing at sufficient distance away from the cold fluid to remain functional.
• Flexible wedges with alloy seating faces for cryogenic service.
• Cleaning: All cryogenic valves are thoroughly degreased and cleaned and pipe ends are sealed to prevent contamination.
• Swivel disc for improved seat alignment and longer life.
• Each valve is shell and seat pressure tested per industry standard API 598.
• Check valves are suitable for service in horizontal line with cap vertical or in a vertical line with flow upward.
• Carrier Pin is confined within the body wall and is not accessible from the exterior, thus no side body penetrations, eliminating a common leak path.
• Other available options as follows:
-Alternate trim materials
-Drain and other auxiliary connections
-NACE service
-Other options available as specified
Rate Range: Class 150 to Class 2500
Size Range: 2″ to 32″
Materials: WCB, LCB/LCC/WC6/WC9/C5
Trim: Trim 1#, Trim 5#, Trim 8#, Trim 10#, Trim 12#,
Type bolted: Bonnet/Pressure Seal
Design Features
Design standard as per: API6D, ASME B16.34, GB/T 12236.
Compact and reasonable product structure, reliable tightness and good performance;
Smooth fluid passageway and small fluid resistance;
Swing type disc.
Can be designed with a Damping Cylinder
Rapid closing and flexible actions of the valve disc
Small closing impact, water hammer is not liable to be generated.
Smooth fluid passageway and small fluid resistance.
Product Range
Body material: carbon steel, stainless steel, alloy steel
Nominal diameter: 1/2″～60″（DN15~DN1500）
Pressure range:Class150～2500（PN10~PN420）
End connection: RF, RTJ, BW
Working temperature:-196℃～+560℃
| Brand | 3D |
| Valve Type | Cryogenic Swing Check Valve |
| Valve Material | Cast steel, stainless steel, special alloy, etc |
| Valve Test | 100% quantity tested before delivery |
| Valve Guarantee | 18 months from the date of dispatch ex works, or 12 months from date of commodity installation. |
| Valve Painting | Customer request |
| Valve Package | Wooden case |
| MOQ | No requirement |
| Valve Certificate | API 6D/CE/ISO9001/ISO14001 |
| Delivery Detail | Shipped in 4 or 6 weeks after payment |
| Port | SHANGHAI |
| Payment Terms | L/C,D/A,D/P,T/T |
| Certificate Offered | Packing List，Commercial Invoice，Test Reports and Material Certificates，Certificate of quality and quantity, Seller’s Certificate of Guarantee |