Petroleum Well Control Equipment Co., Ltd.(PWCE)

PWCE Express Oil and Gas Co., LTD.

Seadream Offshore Technology Co., LTD.

China DM Mud Gate Valve Manufacturing

Short Description:

DM gate valves are commonly selected for a number of oilfield applications, including:

·MPD systems automated

·Pump-manifold block valves

·High-pressure mud mixing lines

·Standpipe manifolds

·High-pressure drilling system block valves


·Well treating and frac service

·Production manifolds

·Production gathering systems

·Production flow lines

Product Detail

Product Tags


The Mud Gate Valve, with superior design features precision workmanship and a proven principle are engineered to meet the harsh drilling requirements in today’s oilfield.

The Valve conforms to the standard flange dimensions and pressure rating of 3000 and 5000 PSI working pressure, the nominal size is 2”,3”,4”,4”x5’, and temperature service is up to 400°F.

The Valve standard trim includes 316SS Gates 316SS Stems and Buna N seats, optional trims are available which include Ni Plated Carbon Steel, Monel and Aluminum Bronze gates. Seats are offered in Viton and Hypalon and optional 303SS Stem is available.

DM Mud Gate Valve6
DM Mud gate Valve3


All the Valves conform to API flange dimensions in all pressure class ratings. The valves have rising stems that are driven by a double-threaded hub for quick opening and closing with minimum torque. The permanently lubricated stems and stem screws are fully sealed, which get high and low-pressure sealing through the support ring.


item Component
1 Body
2 O-Ring
3 Seat
4 Gate
5 Down Stop Ring
6 Stem
7 Bonnet
8 Stud
9 Nut
10 Packing Ring
11 Packing
12 Packing Gasket
13 Retainer
14 O-Ring
15 Stem Nut
16 Key
17 Grease Cup
18 Screw Housing
19 Stud
20 Nut
21 Handle Assy
22 Stem Protector
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avadsv (1)
item Component
1 Body
2 O-Ring
3 Seat
4 Gate
5 Stem
6 Bonnet
7 Stud
8 Nut
9 Packing Assy
10 Packing Gasket
11 O-Ring
12 Retainer
13 Stem Nut
14 Stem Housing
15 Coupling
16 Stud
17 Nut
18 O-Ring
19 Hub Assy
20 Lock Handle
21 Lock Handle Pin
22 Lube Fitting

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