BETTER Drilling Fluid Equip. could offer you some popular mud gate valves for your standpipe, mud pump and other drilling application. These valves are designed in accordance with API 6A standard and can replaceable with famous brands (DEMCO, OTECO, CAMERON, ANSON, and MUDKING), equivalent to DEMCO DM type.

 

Specifications:
Designed specifically for abrasive and erosive condition
Gates available: Nickel-plated carbon steel, Monel, Aluminum Bronze or Stainless Steel
Stainless or Carbon Steel Inserts with Nitrile or HNBR Elastomer
Connection: Flange/Thread/Butt weld/Hammer Union
Pressure ratings up to 5,000 psi in 2", 3", 4", 5" x 4" and 6" x 4" Valve Sizes

Working Temperature: -46°C ~ +121°C

Sour Service Models to NACE MR-01-75
Specification Level: PSL1 ~ PSL4

Performance Requirement: PR1 ~ PR2

Factory Pressure Tested in Accordance with API.6A

DEMCO DM TYPE 2" FULL PORT 2000 3000 5000 WP MUD GATE VALVE

2" Flanged       J001023            J001024 M2024 J001025M2025

2" Full Port Threaded  J001026            J001027 M2027 J001028 M2028

2" Weld  J001029          J001030 M2030 J001031 M2031

2" Grooved        J011920            -           -

1            Lube Fitting   Steel     J005195           

2            Handle           ASTM A536 Ductile Iron          2139712-01      

4            Lock handles  C-1213 J001891           

6            Stem Screw     C-1213 J001913           

7            Stem Screw Seal         Buna-N J005526-224    

8            Screw Housing            C-1018 J001848           

9            Stem 303 SS 316 SS J001931-002 J001931-008

10          Secondary Seal           Buna-N J005526-210    

11           Retainer         C-1213 J001940           

12          Stem Seal Assembly Buna-N Viton J001949-001 J001949-006  

13          Lock Screw     Steel     J005665-22004 

15          Coupling        A216 Steel, A487 Steel  J001446-020 J001446-030 

16          Bonnet            ASTM A105      J001237-XXX  

17          Index Pin        Steel     J001981

18          Bonnet Seal    Buna-N Viton   J005526-342 J005531-342

19          Gate   Steel, Nickel Plated 316 SS       J001887-002 J001887-008 

20          Body   A105 A216 A487           -           -           -

21          Seat Assembly Inserts: Ductile Iron or Steel or 316 SS Elastomers: Buna-N Viton

J001876-011 J001876-012 J001876-081 J001876-082     J001876-021 J001876-022

22          Pin, Lock Handle        Steel     J005420-18728 

 

DEMCO DM TYPE 3" FULL PORT 2000 3000 5000 WP MUD GATE VALVE

3" Flanged       J001036            J001037 M2037 J001038 M2038

3" Threaded     J001045            J001046 M2046 J001047 M2047

3" Weld            J001054            J001055 M2055 J001056 M2056

3" Grooved       J011922            -           -

1          Lube Fitting     Steel     J005195

2          Hub Assembly  ASTM A536 Ductile Iron          2139713-01      

4          Lock handle     C-1213 J001892           

6          Stem Screw      C-1213 J001914-003 

7          Stem Screw Seal           Buna-N J005526-226    

8          Screw Housing C-1018 J001852           

9          Stem    303 SS 316 SS   J001932-002 J001932-008

10         Secondary Seal             Buna-N J005526-212    

11         Retainer           C-1213 J001941           

12         Stem Seal Assembly      Buna-N Viton   J001950-001 J001950-006 

16         Bonnet ASTM A105      J001971-XXX   J001976-XXX 

18         Bonnet Seal      Buna-N Viton  

J005526-431 J005531-431 J005526-433 J005531-433 

19         Gate     Steel,   Nickel Plated  316 SS J001886-002, J001886-008

20         Body    A487    -           -           -

21         Seat Assembly Inserts: Ductile Iron or Steel or 316 SS Elastomers: Buna-N Viton         

J001878-011 J001878-081 J001878-082 J001878-012 J001878-021 J001878-022 

22         Pin, Lock Handle         Steel     J005420-18732 

23         Bonnet Stud     ASTM A193      J002066           

24         Bonnet Stud Nut          ASTM A194      2709000-08-01 

25         Body Stud        ASTM A193      J002072            J002074           

26         Body Stud Nut ASTM A194      2709000-09-01  2709000-10-01 

 

DEMCO DM TYPE 4" FULL PORT 2000 3000 5000 WP MUD GATE VALVE

4" Flanged         J001039 J001040 M2040 J007420

4" Threaded       J001048 J001049 M2049 M8420

4" Weld  J001057 J001058 M2058 M27263

4" Grooved        J011923 -

1          Lube Fitting      Steel     J005195          

2          Hub Assembly    ASTM A536 Ductile Iron           2139714-01      

4          Lock handle       C-1213  J001897 2139481-01

6          Stem Screw       C-1213  J001915

7          Stem Screw Seal            Buna-N J005526-227     

8          Screw Housing   C-1018  J001958 J007418

9          Stem     303 SS  316 SS  J001933-002  J001933-008          J007439-002 J007439-008

10         Secondary Seal Buna-N J005526-214     

11         Retainer            C-1213  J001942 J007413

12         Stem Seal Assembly Buna-N Viton J001951-001 J001951-006

16         Bonnet ASTM A487      J001972-XXX J007149-XXX

18         Bonnet Seal       Buna-N Viton     J005526-438 J005531-438 J005526-439 J005531-439 J005520-439 J005531-439

19         Gate      AISI 1045 Nickel Plated Cast SS ASTM A351 Grade CF8M J001926-002 J001926-008 

20         Body     A487               

21         Seat Assembly Inserts:Ductile Iron ASTM A395 Steel AISI C1040 316 SS ASTM A351 Grade CF8M Annealed

Elastomers: Buna-N Viton    J002207-021 J002207-022 J002207-081 J002207-082  

22         Pin, Lock Handle           Steel J005420-18732     

23         Bonnet Stud       ASTM A193      J002072

24         Bonnet Stud Nut ASTM A194      2709000-09-01 

25         Body Stud         ASTM A193      J002074 -

26         Body Stud Nut   ASTM A194      2709000-10-01  -

DEMCO MUD GATE VALVE MAJOR / MINOR REPARE KIT

DEMCO GATE VALVE MAJOR REPARE KIT: including STEM SCREW, STEM SCREW SEAL, STEM, SECONDARY SEAL, STEM SEAL ASSEMBLY, BONNET SEAL, GATE, SEAT ASSEMBLY

DEMCO GATE VALVE MINOR REPARE KIT: including BONNET SEAL, GATE, SEAT ASSEMBLY

Major Repair Kit J025091-10221, J025091-10321, J025091-10421

Minor Repair Kit J025091-00221, J025091-00321, J025091-00421

 

GATE VALVE,DM,22,SD,2" L.P.T. 152201 60 (27)

GATE VALVE,DM,22,SD,2" B.W. SCH.160 152203 60 (27)

GATE VALVE,DM,22,SD,2" B.W. SCH.XXS 152204 60 (27)

GATE VALVE,DM,23,SD,2" L.P.T. 152301 60 (27)

GATE VALVE,DM,23,SD,2" B.W. SCH.160 152303 60 (27)

GATE VALVE,DM,23,SD,2" B.W. SCH.XXS 152304 60 (27)

GATE VALVE,DM,25,SD,2" L.P.T. 152501 60 (27)

GATE VALVE,DM,25,SD,2" B.W. SCH.160 152503 60 (27)

GATE VALVE,DM,25,SD,2" B.W. SCH.XXS 152504 60 (27)

GATE VALVE,DM,28,HP,2" B.W. SCH.XXS 152804 151 (68)

GATE VALVE,DM,35,SD,3" L.P.T. 153501 154 (70)

GATE VALVE,DM,35,SD,3" B.W. SCH.160 153503 154 (70)

GATE VALVE,DM,35,SD,3" B.W. SCH.XXS 153504 154 (70)

GATE VALVE,DM,38,HP,3" B.W. SCH.XXS 153804 154 (70)

GATE VALVE,DM,45,SD,4" L.P.T. 154501 246 (112)

GATE VALVE,DM,45,SD,4" B.W. SCH.160 154503 244 (111)

GATE VALVE,DM,45,SD,4" B.W. SCH.XXS 154504 246 (112)

GATE VALVE,DM,55,SD,5" B.W. SCH.XXS 155504 249 (113)

GATE VALVE,DM,48,HP,4" B.W. SCH.XXS 154804 246 (112)

GATE VALVE,DM,58,HP,5" B.W. SCH.XXS 155804 249 (113)