 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 today¡¯s oilfield.
SPECIFICATION
¡ñ Designed specifically for Abrasive and Erosive use
¡ñ All Valves Have Stainless Steel Stems
¡ñ API 6A PSL 1, 2 and 3 available
¡ñ Gates can be supplied in Nickel-Plated Carbon Steel, Monel, Aluminum Bronze or Stainless Steel
¡ñ Stainless or Carbon Steel Inserts with Nitrile or HNBR Elastomer
¡ñ Factory Pressure Tested in Accordance with API.6A
¡ñ Can be supplied with Flanged End Connections, Hammer Union Ends, Threaded Connections or Butt Weld Ends
¡ñ Sour Service Models to NACE MR-01-75
¡ñ Available with Pressure Ratings up to 5,000 psi in 2", 3", 4", 5" x 4" and 6" x 4" Valve Sizes
¡ñ Full Material Traceability Guaranteed
¡ñ Supplied with Full Certification at no extra charge
APPLICATIONS
¡ñ Oil and Gas lines
¡ñ Wellheads
¡ñ Manifolds and Pipelines
¡ñ Crude Oil and Sour Gas
¡ñ Well Treating Chemicals
¡ñ Drilling Chemicals
¡ñ Water Flood Lines
¡ñ Abrasive Drilling Mud
>> 4¡å,5¡å¡Á4¡å-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¡å,3¡å,4¡å-3000WP & 2¡å,3¡å-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 |
|
|
|
|
