Product Description
NSV floating ball valves mainly apply to the industries of nature gas, oil products, chemical industry, metallurgy, city construction, medicine, environment, foods, etc. as on /off control units. Its body is made of casting or forging; the ball is floating, the ball moves (floats) downstream to maintain close contact with downstream seat to form a reliable seal under the medium pressure when closes. The seat special design has the wearing complementary structure to ensure safe reliable sealing and long stable operation of this series of ball valve. It has the merits of sealing reliability, long life cycle usage and easy operations.
Applicable Standard
Design Standard: API 6D, ASME B16.34, API 608, BS 5351, MSS SP-72
Face to Face: API 6D, ASME B16.10, EN 558
End Connection: ASME B16.5, ASME B16.25
Inspection and Test: API 6D, API 598
Products Range
Size: 1/2" ~ 10" (DN15 ~ DN250)
Rating: ANSI 150lb, 300lb, 600lb
Body Materials: Carbon Steel, Stainless Steel, Alloy Steel
Trim: A105+ENP, 13Cr, F304, F316
Operation: Lever, Gear, Electric, Pneumatic, Hydraulic
Design Features
Full port or reduced port
Floating ball design
Blowout-proof stem
Casting or forging body
Fire safe design to API 607/ API 6FA
Anti-static to BS 5351
Cavity pressure self relief
Optional locking device
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