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Features

l  Fully welded valve body structure and no leakage.

l  30 year’s service life, no need for maintenance and same life expectancy with pipelines.

l  Specially made valve seat with multi-layer sealing structure that guarantees absolute seal.

l  Underground valve can be provided to save well making cost and reduce preliminary project investment, and ensure the safety of operation and maintenance personnel.

l  Over-pressurized prefabricated heat preserving valve can be provided which effectively prevents defects caused by bad heat-preserving conditions at site.

 

Technical Datasheet

Size

3/8”-56”

Rating

Class150-Class300

Temperature

-20~200

Operation

Hand wheel, Worm gear, Electric

Medium

Water, Oil, Gas, and so on

Standard &   Criterion

Design Standard

D209

Temperature & Pressure

GB/T 12224

ASME B16.34

Body thickness

GB/T 12224

ASME B16.34 ISO 17292

BS 5351

Face to face length

Flange

GB/T 12221 EN558

ASME B16.10 API 6D

Thread, weld

API 6D

End connection

Flange

ASME B16.5 GB/T 9113 JB/T 79

Thread

ASME B1.20.1

Butt weld

ASME B16.25 ASME B31.4 ASME B31.8

Socket weld

ASME B16.11

Pressure test

API 598 JB/T 9092 BS6755 EN12266

Fireproof test

API 6FA API607

Label

MSS-SP 25

Finishing

MSS-SP 25

Sulfur & hydrogen sulfide resistance

NACE MR60175 MR0103

Low leakage test

ISO 15848 TU-Luft

 

  

 

 

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