Extended Stem Cryogenic Ball Valve LF2 1500LB BW


  • MaterialLow Temperature Steel Ball Valve, A350 LF2
  • Method of OperationGearbox Operated Ball Valve

The Class 1500 4'' cryogenic ball valve is designed with extended stem for low temperature application. The valve is made of LF2 with fully welded body, butt weld end and gearbox operation. 


Design Feature
-Fully welded & forged body
-Extended stem or bonnet
-Full port design and piggable
-Anti blow-out stem
-Antistatic function
- Automatic cavity relief
-Bi-directional seat and DBB design
-With stem and seat grease fittings


Quick Detail

Type

Ball Valve

Size

4"

Pressure

ANSI 1500

Construction

One-Piece Body, Fully Weld, Extended Stem or Bonnet, Full Port

Connection

Butt Weld

Operation

Gearbox Operated

Body Material

Low Temperature Steel A350 LF2

Design Code

API 6D

Pressure & Temp

ASME B16.34

End to End Dimension

ASME B16.10

End Connection

ASME B16.25

Inspection

API 598

Temperature Range

-46℃~+200℃

Media

Oil, Water, Gas


Related Knowledge
What is the difference between full bore and reduced bore ball valve?

The internal diameter of a full bore ball valve is the same as the inner diameter of the pipe. The full bore ball valve has little resistance and pressure drop to the flow. Plus, the full bore ball valve is piggable.

However, the internal diameter of a reduced port (standard port) ball valve is smaller than the inner pipe size. Flow restriction caused by the reduced port will cause a pressure drop. And sometimes a pig to clean the pipe will get stuck in the reduced port ball valve.


Certificates
Dervos could provide reports upon clients’ requests, such as ISO 9001, PED CE, EAC, API 607, API 6D, API 6A and etc.
Cryogenic Ball Valve Manufacturers



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