Product-Shanghai B3 Valve Co.,LTD

Ball Valve > Top Entry Ball Valve

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Introduction Parameter

B3 top entry ball valves featuring with integral body, top entry ball. This type of valves gives convenient of in-line repair or replacing valve internal components without removing the body from the pipeline. The seat seal design uses unique two-level soft sealing and metal to metal sealing to form triple sealing. The seat piston is designed after accurate calculation to ensure sealing reliability with small open/close torque and easy operation. The valve is widely used in the nature gas and oil pipeline, the industries of petrochemical, medicine, city constructions, etc.

Applicable Standard

Design Standard:     API 6D, ASME B16.34, BS 5351, API 608, MSS SP-72
Face to Face:          API 6D, ASME B16.10
End Flange:             ASME B16.5, ASME B16.47
Buttwelding Ends:    ASME B16.25
Inspection and Test: API 6D, API 598

Products Range

Size:                     2" ~ 30"(DN50 ~ DN750)
Rating:                  ANSI 150lb ~ 1500lb
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
Integral body design
Blowout-proof stem
Top entry, trunnion mounted ball
Emergency sealant injection
Cavity pressure self relief
Double block and bleed structure
Fire safe design to API 607 / API 6FA
Anti-static to BS 5351

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