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Product Description

The split bolt connection fixed ball valve is anopen-close type control valve. The valve adopts side-mounted split boltconnection, usually adopts two-piece or three-piece structure design, conformsto API6D standard, and the seat sealing structure adopts multi-stage sealing(patent) technology. The valve has double blocking and venting function, andThere is a secondary emergency seal grease structure design to ensure leakagefrom the valve seat and stem. This series of valves has higher reliability,tightness, higher strength and longer service life. , It mainly used in naturalgas and transportation systems.

Design Specification

Design&Manufacturing：API 6D；GB/T 19672；API 608；GB/T 12237

End to End：API 6D；GB/T19672； ASME B 16.10； GB/T 12221

End Connection：ASME/ANSI B16.5 &B16.47a & B16.25；GB；JB；HG；JIS；DIN

Inspection & Test：API 6D；GB/T 19672； API 598；JB/T 9092

Product Design Features

Full bore or reduced bore

Anti-static ,comply with API6D

The support plate fixes the ball to ensure the puretorque of the stem

Medium cavity over pressure automatic venting

Blow-out proof stem, valve stem multi-stage seal

Seat and stem with emergency grease seal constructionand device

Floating double seat, multi-stage sealing seatstructure

Flexible switch, easy to operate, long life,maintenance free

Double blocking double bleed (DBB) structure

Stem lengthening design

Optional double piston effect seat

Mechanical limit of valve switch position

Fire proof,comply with API 607/API 6FA

Material

Product Range

Nominal Diameter：2"～56"(DN50~DN1400)

Pressure Range：ANSI/ASME150Lb~2500Lb(PN16~420Mpa)

Suitable Temperature：-46～150℃

Operation:Manual ,Gear Box, Electric, Pneumatic, Hydraulic