GB/T 465 Cast Iron Gate Valves with ISO 9001 Approved

We are committed to creating better V-Port Ball Valve, Al-Bronze Alloy Valves, Trunnion Mounted Ball Valves and higher-quality services for our customers, adhering to the simple R&D spirit, insisting on market demand-oriented, and innovative ideas as the driving force. Our company has always adhered to the direction of 'quality first, reputation guarantee'. We continuely create new value for customers to achieve mutual benefit and win-win development. We will recommend the most suitable products for customers through efficient team collaboration.

Product Details

NSV Cryogenic forged steel gate valves is for LNG plants in the world. Cryogenic testing is carried out on site where valves are submerged in liquid nitrogen at -196C and leak tested with helium gas,as this kind of gate valve that wedge have special design. Forged gate valves can be full port or reduced port as per requirements of customers.

Applicable Standard
Design Standard: API 602, ASME B16.34, BS 5352, DIN3352
Face to Face: ASME B16.10, EN 558, DIN3202
End Flange: ASME B16.5, DIN2533
Butt welding Ends: ASME B16.25, DIN3239
Socket Welded Ends: ASME B16.11
Threaded Ends: ASME B1.20.1
Inspection and Test: API 598, DIN3230

Products Range
Size: 1/2" ~ 2"(DN15 ~ DN50)
Rating: ANSI 150lb ~1500lb
Body Materials: F304,F304L,F316,F316L.
Trim: F304,F304L,F316,F316L
Operation: Handwheel

Design Features

Extended stem as the temp.
Solid wedge gate
Full port or reduced port design
Bolted bonnet, and welded bonnet, or pressure sealed bonnet also available
Flanged, butt-welded, socket welded, or threaded ends

STRUCTURAL 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.
● Solid CoCr alloy wedges on NPS 1⁄2 – 2 (DN 15–50) valves operate with no galling in cryogenic service.
● Cleaning: All cryogenic valves are thoroughly degreased and cleaned and pipe ends are sealed to prevent contamination.

FAQ

1. Q:Is there have MOQ?

A：No.we can accept 1set,but there have additional cost $150.00(process of export) if the order value within $2000.00.

2.Q: Do u provide sample,is it free or extra ?

A: Yes, we could offer the sample, due to its value,we can supply free sample that small value and you afford the freight,but also welcome visit our factory to inspect quality.

3. 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.

4.Q:Are you manufacturer or trading company?

A: We're manufacturer,but our factory name is not named NSV due to we're professional in promotion NSV brand with best service,and also have sold to many end user success.

We have been ISO9001, CE, and GS certified and strictly adhere to their excellent specifications for GB/T 465 Cast Iron Gate Valves with ISO 9001 Approved. Our company will return to all new and old users for their continuous care and support with reliable products, reasonable prices, and good service. Our specialist engineering team will often be ready to serve you for consultation and feedback.