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　Control check valve
Welcome to Control check valve

Note:

1.Design and manufacture:MSS SP-71/BS 5153/EN 12334.

2.Flange dimensions:ASME B16.1/EN 1092.

3.Test and inspection:API 598.

4.Size up to 24".

Materials list:

  
1 Body Cast Iron
2 Disc Bronze
3 O-ring Standard NBR
4 Sleeve Cast Iron
5 Stem Stainless Steel
6 Spring Stainless Steel
7 Packing Graphite
10 Bonnet Cast Iron
11 Gland Cast Iron
12 Hexangular Screw Bolt Carbon steel
13 Washer Brass
14 Handwheel Cast Iron
Size L Φ H1 H2 D K n-d b
2" 8 3/8 6 1/4 8 5/8 9 1/4 6 4 3/4 4-3/4 5/8
2 1/2" 9 7/8 6 1/4 9 1/8 9 5/8 7 5 1/2 4-3/4 11/16
3" 10 9 3/8 9 1/4 10 3/8 7 1/2 6 4-3/4 3/4
4" 14 1/2 9 3/8 11 7/8 13 3/8 9 7 1/2 8-3/4 15/16
5" 16 11 14 1/8 15 1/8 10 8 1/2 8-7/8 61/64
6" 18 11 15 5/8 17 11 9 1/2 8-7/8 1
8" 21 1/2 12 1/2 19 1/8 21 13 1/2 11 3/4 8-7/8 1 1/8
10" 25 1/2 12 1/2 22 23 5/8 16 14 1/4 12-63/64 1 3/16
12" 30 12 1/2 24 3/8 26 5/8 19 17 12-63/64 1 1/4
14" 30 3/8 12 1/2 25 3/8 29 5/8 21 18 3/4 12-11/8 1 3/8