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Insulated fully welded ball valves

Product Overview

Insulated fully welded ball valves is produced by our company directly buried type and a full welded ball valve, with insulation can be buried underground extension rod can be customized, and valves can be insulated to prevent some after freezing or curing medium valves, heat preservation form can set the system, the medium mass flux through insulation type full welded ball valve is not affected by temperature, can make a steady flow of medium through the valve.The valve is mainly used in buried or heat preservation working conditions such as natural gas pipeline and heat supply network.

Structural characteristics

1. Adopt integrated structure and heat preservation process to ensure the safety and reliability of the valve;
2. The tubular structure is used for simple manufacturing process and convenient processing;
3. The machining precision of the sphere is very precise and easy to operate, and the stainless steel or solid ball can be customized according to customers' requirements;
4. Insulated all-welded ball valves can be customized according to customer requirements. Customers can provide drawings for processing according to customer drawings;
5. The valve seat is composed of PTFE sealing ring and spring spring, which has strong adaptability to pressure and temperature changes, and will not cause any leakage within the service range, which is very safe;
6, thermal insulation type all-welded ball valve in normal operation, the body covered with corrosion resistant leach or epoxy resin, in buried working conditions, strong adaptability, and with insulation to adapt to more media.

Execution standard

Design and Manufacture: GB12237
Length of structure: GB12221
Flange end size: JB/T79,GB9113,HG20592, etc
Butt end size: JB/T12224
Inspection and testing: JB/T9092, GB/T13927

Performance parameter

Valve models: Q367F, Q361F
Connection: welding, butt welding
Product specification: DN50-1400mm
Working pressure: PN2.5mpa
Temperature range: -29℃~+200℃
Material: WCB, A105, F11, F22, CF8, 304, etc
Applicable medium: water, petroleum, natural gas, chemical and other medium
Driving mode: manual, worm gear, electric, pneumatic, etc

Product Dimensions

DN(mm)

D

D1

D2

L

A/B

L0

L

50

40

60.3/57

89

300

1000

65

50

76.1/76

114

300

1000

80

65

88.9/89

140

300

1000

100

80

114.3/108

165

325

1000

150

125

168.3/159

219

400

1000

200

150

219.1/219

267

521

1000

250

200

273.1/273

355

559

1000

300

250

323.9/325

457

635

1100

400

337

406.4/426

558

838

1360

500

387

508.0/530

660

914

1510

600

489

609.6/630

812

1143

1660

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