API 6D Gear Operated Forged Steel Split Body Low Fugitive Emission Inconel 625 Overlay Metal Seated Tungsten Carbide Coating Flange Trunnion Mounted Ball Valve

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Product Details

NSV metal seated trunnion mounted ball valves are specially designed according to actual working services or customer’s requirement. It can be used in adverse working services and can meet the bad working services requirement such as high temperature, high pressure, strong corrosion and medium with grain, etc.

This kind of valve is widely used in the industries of petrochemical, papermaking, sewage treatment, mines, ocean platform, etc.

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" ~36" (DN50 ~ DN900)
Rating: 150lb ~ 2500LB

Body Material: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Stainless Steel
Ball&seat coating Material: Nitriding, TC, STL and Nickel Alloy
Operation : Lever, Gear, Electric, Pneumatic, Hydraulic

Design Features
Full port or reduced port
Trunnion ball
Metal to metal seated
Blowout-proof stem
Fire safe design to API 607 / API 6FA
Anti-static to BS 5351
Cavity pressure self relief
Double seats with spring loading

STRUCTURAL FEATURES

1.Advanced Ball And Seat Hardening Technology
The ball and seat of the metal seated ball valve absolutely adopts the sealing mode of metal to metal. According to different service conditions and requirements of users, various advanced ball and seat hardening technologies can be adopted, including HVOF coating, nickel-base alloy spray welding, high nickel alloy spray welding, nickel-base alloy tungsten carbide alloy spray welding, cobalt-base hard alloy spray welding, etc. Generally, the heat resistance of the sealing face material can reach 540℃～60 with the maximum value of 980℃. The sealing face material has also good wear resistant and impact resistant performances.

2.Flexible Valve Opening And Closing
Under the service condition of high temperature, the ball and seat will expand too much because of thermal expansion, and thus causing that the valve cannot be opened. The ball valve adopts the disc spring or spring loaded sealing structure so that thermal expansion of parts under high temperature can be absorbed by the disc spring or spring, and it is ensured that the valve will be flexibly opened and closed under high temperature without expanding too much under high temperature.

3.BALL COATING

Tungsten Carbide (WC-Co)，HVOF Spray,Coating Hardness HV 780-950,HRC 65+/-3 .Excellent anti-wear properties under lower temperature. Suitable for media with dust or particles.
Nickel Alloy (Ni60),Flame Spraying,Coating Hardness HV 680-780,HRC 60+/-3 ,Excellent resistance to corrosion and abrasion. Suitable for protection against abrasion and erosion
Chrome Carbide (Cr3C2-NiCr),HVOF Spray,Coating Hardness HV 560-680,HRC 56+/-3 .Excellent resistance to cavitation erosion under high temperature and sliding wear. Suitable for high temperature, high pressure and corrosive application.

FAQ

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

A:NSV or OEM service.

2. Q:Do you have any valve in stock?

A:There have a lot of GGC valves(2”&within) in stock,and that can delivery within one week.

3. Q:Do you have customized valve?

A:Yes,we can supply customized valves.

4. 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.

Our company is based in China, facing the world, providing satisfactory API 6D Gear Operated Forged Steel Split Body Low Fugitive Emission Inconel 625 Overlay Metal Seated Tungsten Carbide Coating Flange Trunnion Mounted Ball Valve to customers around the world, and cooperating with many manufacturers to jointly develop the market. We provide you with not only products, but also high-quality solutions and product services. We will continue to uphold the service concept of 'meet customer requirements and exceed customer expectations'. We are looking forward to cooperating with you. As an important manifestation and realization method, service innovation plays an important role in helping our company gain competitive advantages.