API 6D/API 608 CF8/CF8m/Lcb/Lf2/F304/F304L/F316/F316L Floating/Trunnion/Dbb Manual/Electrical/Pneumatic/ 3 Pieces Forged Cryogenic Ball Valve

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Product Details

NSV Cryogenic trunnion ball valve is used for low temperature working condition, especially for LNG(liquid natural gas)carriers,receiving Terminals storage and satellite facility Ethylene plants Industrial-use cryogenic gases.

NSV has been experienced in the design, manufacturing, inspection and test of cryogenic ball valve.The cryogenic ball valve is applicable to different pipeline of Class150～Class1500, PN16～PN100, JIS10K～JIS20K.By adopting different materials, the cryogenic trunnion ball valve is applicable to different working temperature and medium.The minimum temperature for the ball valve is -196℃ . The operation of the ball valve can be manual operated, gear operated, pneumatic operated and motor operated. The end connection usually is flanged ends. However, the welded ends are also optional.

Applicable Standard
Design Standard: API 6D, ASME B16.34, API 608, MSS SP-72, BS 5351
Face to Face: ASME B16.10, API 6D, EN 558
End Flange: ASME B16.5, DIN 2501
Butt welding Ends: ASME B16.25
Inspection and Test: API 598, API 6D

Products Range
Size: 2" ~24" (DN15 ~ DN600)
Rating: 150lb ~ 1500LB

Body Material: Stainless steel 304,304L,316,316L
Seat Material: KEL-F(PCTFE)
Operation : Lever, Gear, Electric, Pneumatic, Hydraulic

Design Features
1.Pressure relief hole is set on the ball of Cryogenic ball valve.
2.Ceramic filled material is used for gasket.
3.Light weight and small dimension is adopted in order to reduce the heat loss especially under cryogenic condition.
4.Long neck stem design is used to keep the heat at the packing position and ensure the reliable sealing performance. The length of extended neck is decided per design, calculation & testing.

1. Advantage,Design and manufacturing features

Being required by the standard, the long neck design is usually adopted for the ball valve below -50℃. The long neck design can keep the heat at the packing position and ensure the reliable sealing performance of the valve packing. The length of the neck complies to the standard, but, can be also changed as per the customer's request in the contract.

The spare parts of the valve shall be cryogenically treated to ensure their dimensional stability under the cryogenic condition.

NSV Cryogenic Ball Valve has the features of Good sealing, reliable, safety and long life span.

Cryogenic Ball valves developed by NSV have following good characteristics: good sealing performance, reliable safety guarantee, long life span and etc.

2.Imported Seat ring

We imported lip seal(seat ring-KEL-F) to our cryogenic trunnion mounted ball valve,that have long life than China market seal ring.

3.Temperatures of Liquefied Gases

FAQ

1. Q: What's the brand of your company can supply ?

A:NSV or OEM service

2. Q:Does your company have any agent/distributor with the exception of China?

A: At present,we have agent in Indonesia,Singapore,Canada,Mexico,Iraq,and welcome contact us if you would like to join us.

3. Q: What's the valves warranty?
A: Our valves warranty period should be 18 months from the date of shipment or 12 months after installation, whichever occurs first.

Relying on our excellent technical team's persistence in R&D spirit and continuous technological innovation, we continue to develop a series of new API 6D/API 608 CF8/CF8m/Lcb/Lf2/F304/F304L/F316/F316L Floating/Trunnion/Dbb Manual/Electrical/Pneumatic/ 3 Pieces Forged Cryogenic Ball Valve to meet the ever-changing needs of the market. We hope to make our core business stronger and better, and build our company with market competitiveness to match the world-class enterprises. From raw materials to finished products, we strive for excellence in every process and every link.