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NACE Materials per MR-01075 are standard on all valves

Swing Check Valves

Ductile Iron Threaded Ends Swing Check Valve

Valve Size End to End Working Pressure Weight/lbs. Item # Part #
1" 4 1/4" 300# 5 124701 WN1-13313
1000# 124703 WN1-11033
1500# 124704 WN1-11533
2000# 124705 WN1-12033
2" 6" 300# 11 125701 WN2-23313
600# 125702 WN2-23613
1000# 125703 WN2-21033
1500# 125704 WN2-21533
2000# 125705 WN2-22033
2" Long Pattern 7 1/4" 300# 15 126501 WN2-23313-LP
600# 126502 WN2-23613-LP
1000# 126503 WN2-21033-LP
1500# 126504 WN2-21533-LP
2000# 126505 WN2-22033-LP
3" 8" 300# 17 128001 WN3-33313
600# 128002 WN3-33613
1000# 128003 WN3-31033
1500# 128004 WN3-31533
2000# 128005 WN3-32033
4" 10" 300# 35 128901 WN4-43313
600# 128902 WN4-43613
1000# 128903 WN4-41033

Ductile Iron Grooved Ends Swing Check Valve

Note: 316 SS Clapper - Standard on 1", 2", 3" Conforms to NACE MR-01-75
Valve Size End to End Working Pressure Weight/lbs. Item # Part #
2" 7" 300# 9 129501 WN2-23313-G
600# 129502 WN2-23613-G
2" L.P. 9" 300# 11 130001 WN2-23313-LP-G
600# 130002 WN2-23613-LP-G
3" 10 3/4" 300# 16 130601 WN3-33313-G
600# 130602 WN3-33613-G

Ductile Iron Threaded End

Size/inches Pressure Weight/lbs. A B C
2 300# 11 6 3 7/8 1 3/4
2 LP 300# 15 7 1/4 3 7/8 1 3/4
3 300# 17 8 5 1/2 2 3/8
4 300# 35 10 6 3/8 3
2 600# 11 6 3 7/8 1 3/4
2 LP 600# 15 7 1/4 3 7/8 1 3/4
3 600# 17 8 5 1/2 2 3/8
4 600# 35 10 6 3/8 3
1 1000# 4 1/2 4 1/4 3 1 1/4
2 1000# 11 6 3 7/8 1 3/4
2 LP 1000# 15 7 1/4 3 7/8 1 3/4
3 1000# 17 8 5 1/2 2 3/8
4 1000# 35 10 6 3/8 3
1 1500# 4 1/2 4 1/4 3 1 1/4
2 1500# 11 6 3 7/8 1 3/4
2 LP 1500# 15 7 1/4 3 7/8 1 3/4
3 1500# 17 8 5 1/2 2 3/8
1 2000# 4 1/2 4 1/4 3 1 1/4
2 2000# 11 6 3 7/8 1 3/4
2 LP 2000# 15 7 1/4 3 7/8 1 3/4
3 2000# 17 8 5 1/2 2 3/8

Ductile Iron Grooved End

Size/inches Pressure Weight/lbs. A B C
2 300# 11 6 3 7/8 1 3/4
2 LP 300# 15 7 1/4 3 7/8 1 3/4
3 300# 17 8 5 1/2 2 3/8
2 600# 11 6 3 7/8 1 3/4

Cast Steel Threaded End

Size/inches Pressure Weight/lbs. A B C
1 275# 6 4 1/4 3 1 1/4
2 275# 16 7 1/4 3 7/8 1 3/4
3 275# 17 8 5 1/2 2 3/8
1 720# 6 4 1/4 3 1 1/4
2 720# 16 7 1/4 3 7/8 1 3/4
3 720# 17 8 5 1/2 2 3/8
1 1440# 6 4 1/4 3 1 1/4
2 1440# 16 7 1/4 3 7/8 1 3/4
3 1440# 17 8 5 1/2 2 3/8
1 2160# 6 4 1/4 3 1 1/4
2 2160# 16 7 1/4 3 7/8 1 3/4
3 2160# 17 8 5 1/2 2 3/8
1 3600# 6 4 1/4 3 1 1/4
2 3600# 16 7 1/4 3 7/8 1 3/4
1 5000# 6 4 1/4 3 1 1/4

Material Specifications

Check Valve Parts Ductile Iron Cast Steel
Body & Bonnet ASTM A-395 ASTM A-216 WCB
Clapper 316 SS STD 316 SS STD
Clapper Seal Buna-N (Standard) Buna-N (Standard)
180 F Max 180 F Max
Viton (Optional) Viton (Optional)
400 F Max 400 F Max
Polyurethane (Optional) Polyurethane (Optional)
180 F Max 180 F Max
Bonnet Seal O-Ring Buna-N (Standard) Buna-N (Standard)
180 F Max 180 F Max
Viton (Optional) Viton (Optional)
400 F Max 400 F Max
Polyurethane (Optional) Polyurethane (Optional)
180 F Max 180 F Max

Optional Viton Trim and WNS-Coat® Available - call for pricing