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MUD GATE VALVE(METAL TO METAL SEALING)
The union ends mud gate valve is mainly used for drilling mud circulating system in oil field, It is used to control the flowing and stopping of mud. It is joined by trapezoid thread connection, It is quick and convenient to fix the equipment. The equipment has strong rigidity is safe and reliable, The union ends mud gate valve seat and gate are sealed by means of parallel-type Metal to Metal Sealing, The effection of sealing is good,It is convenient to open, The two ends of the valve and pipes are joined and staled with spherical movement,The movable connection of the rubber seal ring like "O" is not of high requirement about straightness of the two ends of pipes, When is is fited and its seal performance is very good.

SPECIFICATION
Manufactured and Tested in Accordance with API Spec 6A
Forged Steel Body and Bonnet
API 6A PSL 1, 2 and 3 available
Valve seat and gate are sealed by Metal to Metal Sealing
Low Operating Torque
Quick Release Hand Wheel
Factory Pressure Tested in Accordance with API.6A
Can be supplied with Flanged End Connections, Hammer Union Ends, Threaded Connections or Butt Weld Ends
Material Classes DD, EE, FF, to NACE MR-01-75
Available with Pressure Ratings 3000psi, 5000psi and 10000psi in 2", 3", 4", 5" Valve Sizes
APPLICATIONS
Oil and Gas lines
Wellheads
Manifolds and Pipelines
Crude Oil and Sour Gas
Well Treating Chemicals


Parts List

Item

Description

Qty

Material

Remark

1

Body

1

4130

 

*2

Seat

2

4130+HF

 

*3

Seat Seal Ring

4

NBR

 

*4

Wave Spring

2

410

 

*5

Gate

1

4130+HF

 

*6

Stem

1

410

 

*7

Bonnet Seal Ring

1

Steel

 

8

Bonnet

1

4130

 

9

Bonnet Stud

8

4140

 

10

Bonnet Nut

8

5140

 

*11

Stem Seal Assy.

1

Assy.

 

12

Packing Gland

1

Steel

 

*13

Bearing

2

Assy.

 

14

Screw Housing

1

Steel

 

15

Lock Screw

1

Steel

 

*16

Lube Fitting

1

Assy.

 

*17

Sec. Seal

1

NBR

 

*18

Stem Screw

1

Steel

 

19

Key

1

Steel

 

20

Hub Assy.

1

Steel

 

21

Stem Cap

1

Steel

 

* Major Repair One Each For One Years Service

 
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