Fully welded fixed ball valve
Release time:2023-6-9

Fully welded fixed ball valve is suitable for cutting or connecting the medium in the pipeline of petroleum, chemical industry, thermal power station and other working conditions Class 150 ~ 300Lb and operating temperature -29 ~ 200℃.Applicable medium: petroleum, purified natural gas, acid natural gas, gas, water and coal slurry, etc.Operating mode: worm gear drive, pneumatic, electric, gas - liquid linkage.


Structural features


Worm wheel type fully welded ball valve adopts fixed ball structure, the upper and lower shaft of the ball are equipped with bearings, small operating torque, the ball of this structure is fixed, does not move after compression, the design has two sealing rings to provide enough pre-tightening force to ensure the sealing, achieve double-sided forced sealing, sealing performance is more reliable.
The machining process of the sphere is tracked and detected by the advanced computer detector, so the machining precision of the sphere is high.
As the material of the valve body is the same as that of the pipe, there will be no uneven stress or deformation due to the earthquake and vehicle passing through the ground. The sealing ring body is made of PTFE material with 20%C(carbon), which ensures no leakage at all (0%).



Executive Standards

Design specification: API 6D, ASMEB 16.34
Pressure - temperature classes: ASME B16.34, API608
Structure length: ASME B16.10, GB12221
Butt welding form: ASME B16.25, ASME B31.4/31.8
Inspection and test: API 598, API 6D, GB13927
Fire resistance test: API 607, API 6FA


Performance parameter

Valve no. : Q361F
Connection: welding, butt welding
Pressure grade: Class 150~300Lb,PN1.6/2.5MPa
Product specification: DN600~1200mm
Product material: WCB, A105 F11, making, F304, F316, CF8, CF8M, WCC or optional according to customer requirements
Applicable temperature: -29℃≤ T ≤200 ℃
Suitable medium: water, air, oil and other fluids that do not react with carbon steel
Driving mode: worm wheel type


Product size

DN(mm) Nominal diameter DH

d

A/B

t L H1 H2 Weight(kg)

600

600

1016

610/630

22

1143

650

860

2000

700

700

1130

7118720

24

1346

705

915

3100

800

800

1245

813/820

28

1524

770

1000

4700

900

900

1415

914/920

30

1727

855

1110

5700

1000

980

1555

1016/1020

32

1840

925

1180

6600

1100

1080

1700

1124

36

2100

995

1300

8100

1200

1166

1860

1219/1220

40

2100

1075

1430

11000

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