Demco Style Gate Valve Series DM 3750psi
1 Demco Style Gate Valve Series DM 3750psi – 2in Full Port
Item Part Number Description
3948 Gate Valve Demco Style – 3750 psi – 2″ Full Port 100 Add
1 23661 Handle 1 Add
2 5445-37528 Stem Pin 1 Add
3 5195 Lube Fitting 1 Add
4 5532-211 Back-up Ring 1 Add
5 5526-211 Stem Seal (Buna-N) 1 Add
5 5531-211 Stem Seal (Viton) 1 Add
6 4395-008 Stem (316 SS) 1 Add
6 4395-002 Stem (303 SS) 1 Add
7 4320-030 Bonnet (Uncoated) 1 Add
7 4320-031 Bonnet (Coated DEMCO 10, Standard Coating) 1 Add
7 4320-034 Bonnet (Coated DEMCO 11, Good Coating) 1 Add
7 4320-035 Bonnet (Coated DEMCO 12, Excellent Coating) 1 Add
8 2072 Body Stud 4 Add
9 2709000-09-01 Body Stud Nut 4 Add
10 5526-342 Bonnet Seal (Buna-N) 1 Add
10 5531-342 Bonnet Seal (Viton) 1 Add
11 Body Materials 1 Add
12 1876-083 Seat Assembly – 316 SS, Hypalon 1 Add
12 1876-082 Seat Assembly- 316 SS, Viton 1 Add
12 1876-081 Seat Assembly- 316 SS, Buna-N 1 Add
12 1876-013 Seat Assembly – Ductile Iron or Steel, Hypalon 1 Add
12 1876-012 Seat Assembly – Ductile Iron or Steel, Viton 1 Add
12 1876-011 Seat Assembly – Ductile Iron or Steel, Buna-N 1 Add
13 1275-002 Gate – Nickel Plated Steel 1 Add
13 1275-008 Gate – 316 Stainless Steel 1 Add
14 5526-222 Screw Seal (Buna-N) 1 Add
15 5197 Relief Fitting 1
2 Demco Style Gate Valve Series DM 3750psi – 2-1/2in Full Port
Item Part Number Description
3952 Gate Valve Demco Style – 3750 psi – 2 1/2″ Full Port 170
1 18195 Handle 1
2 5445-37528 Stem Pin 1
3 5195 Lube Fitting 1
4 5532-212 Back-up Ring 1
5 5531-212 Stem Seal (Viton) 1
5 5526-212 Stem Seal (Buna-N) 1
6 4396-008 Stem (316 SS) 1
6 4396-002 Stem (303 SS) 1
7 4322-030 Bonnet (Uncoated) 1
7 4322-031 Bonnet (Coated DEMCO 10, Standard Coating) 1
7 4322-034 Bonnet (Coated DEMCO 11, Good Coating) 1
7 4322-035 Bonnet (Coated DEMCO 12, Excellent Coating) 1
8 2074 Body Stud 4
9 2709000-10-01 Body Stud Nut 4
10 5526-427 Bonnet Seal (Buna-N) 1
10 5531-427 Bonnet Seal (Viton) 1
11 Body Materials 1
12 1877-083 Seat Assembly – 316 SS, Hypalon 1
12 1877-082 Seat Assembly- 316 SS, Viton 1
12 1877-081 Seat Assembly- 316 SS, Buna-N 1
12 1877-013 Seat Assembly – Ductile Iron or Steel, Hypalon 1
12 1877-012 Seat Assembly – Ductile Iron or Steel, Viton 1
12 1877-011 Seat Assembly – Ductile Iron or Steel, Buna-N 1
13 1881-002 Gate – Nickel Plated Steel 1
13 1881-008 Gate – 316 Stainless Steel 1
14 5526-234 Screw Seal (Buna-N) 1
15 5197 Relief Fitting 1
3 Demco Style Gate Valve Series DM 3750psi – 3in Full Port
Item Part Number Description
3957 Gate Valve Demco Style – 3750 psi – 3″ Full Port 205
1 18195 Handle 1
2 5445-37528 Stem Pin 1
3 5195 Lube Fitting 1
4 5532-212 Back-up Ring 1
5 5526-212 Stem Seal (Buna-N) 1
5 5531-212 Stem Seal (Viton) 1
6 4396-008 Stem (316 SS) 1
6 4396-002 Stem (303 SS) 1
7 4326-030 Bonnet (Uncoated) 1
7 4326-031 Bonnet (Coated DEMCO 10, Standard Coating) 1
7 4326-034 Bonnet (Coated DEMCO 11, Good Coating) 1
7 4326-035 Bonnet (Coated DEMCO 12, Excellent Coating) 1
8 2074 Body Stud 4
9 2709000-09-01 Body Stud Nut 4
10 5526-433 Bonnet Seal (Buna-N) 1
10 5531-433 Bonnet Seal (Viton) 1
11 Body Materials 1
12 1878-083 Seat Assembly – 316 SS, Hypalon 1
12 1878-082 Seat Assembly- 316 SS, Viton 1
12 1878-081 Seat Assembly- 316 SS, Buna-N 1
12 1878-013 Seat Assembly – Ductile Iron or Steel, Hypalon 1
12 1878-012 Seat Assembly – Ductile Iron or Steel, Viton 1
12 1878-011 Seat Assembly – Ductile Iron or Steel, Buna-N 1
13 1882-002 Gate – Nickel Plated Steel 1
13 1882-008 Gate – 316 Stainless Steel 1
14 5526-224 Screw Seal (Buna-N) 1
15 5197 Relief Fitting 1
4 Demco Style Gate Valve Series DM 3750psi – 4in Full Port
Item Part Number Description
3010 Gate Valve Demco Style – 3705 psi – 4″ Full Port (Threaded, Weld or Flanged) 162, 162, 320
1 2139714-01 Handle 1
3 5195 Lube Fitting 1
5 1951-006 Stem Seal Assembly (Viton) 1
5 1951-001 Stem Seal Assembly (Buna-N) 1
6 1933-008 Stem (316 SS) 1
6 1933-002 Stem (303 SS) 1
7 1977-035 Bonnet (Coated DEMCO 12, Excellent Coating) 1
7 1977-031 Bonnet (Coated DEMCO 10, Standard Coating) 1
7 1977-034 Bonnet (Coated DEMCO 11, Good Coating) 1
7 1977-030 Bonnet (Uncoated) 1
8 24500 Body Stud (Valves made after 1994) 4
8 2075 Body Stud (Valves made prior to 1994) 4
9 53251-042 Body Stud Nut (Valves made prior to 1994) 4
9 2709000-12-01 Body Stud Nut (Valves made after 1994) 4
10 5531-439 Bonnet Seal (Viton) 1
10 5526-439 Bonnet Seal (Buna-N) 1
11 Body Materials 1
12 2207-022 Seat Assembly – Steel, Viton 1
12 2207-021 Seat Assembly – Steel, Buna-N 1
12 2207-083 Seat Assembly – 316 SS, Hypalon 1
12 2207-082 Seat Assembly- 316 SS, Viton 1
12 2207-081 Seat Assembly- 316 SS, Buna-N 1
12 2207-023 Seat Assembly – Steel, Hypalon 1
13 1926-008 Gate – 316 Stainless Steel 1
13 1926-002 Gate – Nickel Plated 1
14 5526-227 Screw Seal (Buna-N) 1
16 1897 Lock Handle 1
18 1915 Stem Screw 1
19 1958 Screw Housing 1
20 5526-214 Secondary Seal 1
21 1942 Retainer 1
22 5420-18732 Pin, Lock Handle 1
23 2072 Bonnet Stud 1
24 2709000-09-01 Body Stud Nut 2
5 Demco Style Gate Valve Series DM 3750psi – 6in Full Port
Item Part Number Description
3999 Gate Valve Demco Style – 3750 psi – 6″ Full Port
1 1850 Handle 1
2 5445-37532 Stem Pin 1
3 5195 Lube Fitting 1
4 5532-214 Back-up Ring 1
5 5526-214 Stem Seal (Buna-N) 1
5 5531-214 Stem Seal (Viton) 1
6 1854-002 Stem (303 SS) 1
6 1854-008 Stem (316 SS) 1
7 1780-034 Bonnet (Coated DEMCO 11, Good Coating) 1
7 1780-031 Bonnet (Coated DEMCO 10, Standard Coating) 1
7 1780-030 Bonnet (Uncoated) 1
7 1780-035 Bonnet (Coated DEMCO 12, Excellent Coating) 1
8 2077 Body Stud 4
9 1890 Body Stud Nut 4
10 5531-446 Bonnet Seal (Viton) 1
10 5526-446 Bonnet Seal (Buna-N) 1
11 Body Materials 1
12 1880-083 Seat Assembly – 316 SS, Hypalon 1
12 1880-012 Seat Assembly – Ductile Iron or Steel, Viton 1
12 1880-013 Seat Assembly – Ductile Iron or Steel, Hypalon 1
12 1880-081 Seat Assembly- 316 SS, Buna-N 1
12 1880-082 Seat Assembly- 316 SS, Viton 1
12 1880-011 Seat Assembly – Ductile Iron or Steel, Buna-N 1
13 1884-002 Gate – Nickel Plated Steel 1
13 1884-008 Gate – 316 Stainless Steel 1