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
| |
 |
 |
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| 4”×5000psi Union Ends |
4”×5000psi Butt Weld Ends |
4”×5000psi Flanged Ends |
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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 Year’s Service
