DM GATE VALVE
(Interchangeable with Demco® Model DM Gate Valve)
The DM Gate Valve, are solid gate, rising stem, gate valves with resilient seals. They are purpose made for mud, cement, fracturing and water service and are easy to operate and simple to maintain.
The DM Gate Valve, with superior design features precision workmanship and a proven principle are engineered to meet the harsh drilling requirements in todays oilfield.

SPECIFICATION
Designed specifically for Abrasive and Erosive use
All Valves Have Stainless Steel Stems
API 6A PSL 1, 2 and 3 available
Gates can be supplied in Nickel-Plated Carbon Steel, Monel, Aluminum Bronze or Stainless Steel
Stainless or Carbon Steel Inserts with Nitrile or HNBR Elastomer
Factory Pressure Tested in Accordance with API.6A
Can be supplied with Flanged End Connections, Hammer Union Ends, Threaded Connections or Butt Weld Ends
Sour Service Models to NACE MR-01-75
Available with Pressure Ratings up to 5,000 psi in 2", 3", 4", 5" x 4" and 6" x 4" Valve Sizes
Full Material Traceability Guaranteed
Supplied with Full Certification at no extra charge

APPLICATIONS
Oil and Gas lines
Wellheads
Manifolds and Pipelines
Crude Oil and Sour Gas
Well Treating Chemicals
Drilling Chemicals
Water Flood Lines
Abrasive Drilling Mud

>> 4,54-5000WP PARTS LIST

Item

Component

Qty

Material

Remark

1

Lube Fitting

1

Assy.

 

2

Handle Assy.

1

Steel

 

3

Tube

1

Clear Acrylic

 

4

Stem Cap

1

Ductile Iron

 

5

Key

1

Steel

 

6

Stem Screw

1

Steel

 

7

Stem Screw Seal

1

NBR

 

8

Screw Housing

1

Steel

 

9

Stem

1

410

 

10

Secondary Seal

1

NBR

 

11

Retainer

1

Steel

 

12

Stem Seal Assy.

1

Assy.

 

13

Bearing

2

TEFLON

 

14

Down Stop Ring

1

Steel

 

16

Bonnet

1

4130

 

18

Bonnet Seal

1

NBR

 

19

Gate

1

410

 

20

Body

1

4130

 

21

Seat

1

Steel+NBR

 

23

Bonnet Stud

2

4140

 

24

Bonnet Stud Nut

2

1045

 

25

Body Stud

4

4140

 

26

Body Stud Nut

4

1045

 


>> 2,3,4-3000WP & 2,3-5000WP PARTS LIST:

Item

Component

Qty

Material

Remark

1

Lube Fitting

1

Assy.

 

2

Hub Assy.

1

Steel

 

4

Lock Handle

1

Steel

 

6

Stem Screw

1

Steel

 

7

Stem Screw Seal

1

NBR

 

8

Stem Housing

1

Steel

 

9

Stem

1

410

 

10

Secondary Seal

1

NBR

 

11

Retainer

1

Steel

 

12

Stem Seal Assy.

1

Assy.

 

13

Lock Screw

1

Steel

 

15

Coupling

1

4130

 

16

Bonnet

1

4130

 

17

Index Pin

1

Steel

 

18

Bonnet Seal

1

NBR

 

19

Gate

1

410

 

20

Body

1

4130

 

21

Seat

1

Steel+NBR

 

22

Lock Handle Pin

1

Steel

 

23

Bonnet Stud

2

4140

 

24

Bonnet Stud Nut

2

1045

 

25

Body Stud

4

4140

 

26

Body Stud Nut

4

1045

 

 
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