Cast (Ductile) Iron Valves

　　
　
Cast Iron Gate Valves
Class 125 / 250
Bolted bonnet, Non-rising stem, Solid wedge disc.
Description:
Design and manufacture: MSS SP-70
Face to face dimensions: ANSI B16.10
Flanged end: ANSI B16.1
Size: 2" ~ 36"
Safe working pressure: 200 psi / 500psi
Suitable medium: water, oil, gas
 
 
Standard materials of parts
No.
Parts
Materials
American Standard
1
Body
Cast iron
ASTM A 126 Class B
2
Seat ring
Cast bronze
ASTM B62
3
Wedge face ring
Cast bronze
ASTM B62
4
Wedge
Cast iron
ASTM A 126 Class B
5
Wedge nut
Cast bronze
ASTM B62
6
Stem
Brass
ASTM B16
7
Body gasket
Graphite
8
Bolt
Steel
ASTM A307-B
9
Nut
Steel
ASTM A307-B
10
Bonnet
Cast iron
ASTM A 126 Class B
11
Gland follower bolt
Steel
ASTM A307-B
12
Stuffing box gasket
Graphite
13
Stuffing box
Cast iron
ASTM A 126 Class B
14
Packing
Graphite
15
Gland follower
Ductile Iron
ASTM A536 65-45-12
16
Packing gland
Cast brass
ASTM B584
17
Handwheel
Cast iron
ASTM A 126 Class B
18
Nameplate
Aluminum
19
Washer
Steel
ASTM A307-B
20
Handwheel nut
Steel
ASTM A307-B