DN40 and DN50
DN50 shown
DN15, DN20 and DN25
DN15 shown
213
1817
8
4
19 21 20
No.Part
1 Body
Cover studs
2 Cover nuts
3 Cover gasket
4 Cover
18
Valve seat
5
Main valve assembly with erosion deflector
1.0619+N / WCB
BS 970 431 S29
BS 3146 Pt2 ANC2
BS 970 416 S37
BS 1449 304 S11
BS 4183 18/8
BS 970 302 S25
BS 970 431 S29
BS 1449 304 S16
BS 1449 304 S16
BS 1449 304 S16
BS 970 431 S29
BS 1449 409 S19
BS 970 303 S31
BS 1449 CS4
BS 1449 304 S16
Valve seat gasket
6 Main valve assembly gasket
Pivot frame assembly screws
7
Main valve assembly
8 Ball float and lever
9 Support frame
10 Pivot frame
11 Pivot pin
12 Erosion deflector
17 Air vent assembly
18 Air vent seat gasket
19 SLR assembly
20 SLR gasket
21 SLR seal
26 Inlet plate
Bolts
Studs and nuts
Stainless steel
Reinforced exfoliated graphite
Stainless steel
Stainless steel
Stainless steel
Stainless steel
Stainless steel
Stainless steel
Stainless steel
Stainless steel
Stainless steel
Stainless steel
Stainless steel
Steel
Graphite
Stainless steel
Page 2 of 5
TI-S02-14 ST Issue 14
9 12 6
17
5 7
DN15, DN20 and DN25
DN40 and DN50
DN15, DN20 and DN25
DN40 and DN50
DN15, DN20 and DN25
DN40 and DN50
DN15, DN20 and DN25
DN40
DN50
DN15, DN20 and DN25
DN15, DN20 and DN25
DN15, DN20 and DN25
DN40 and DN50 only
Carbon steel
Steel
Steel
Steel
Reinforced exfoliated graphite
Carbon steel
10
11
7
6 26 5
Material
Stainless steel
Stainless steel
21
31817
8
4
1.0619+N / WCB
BS 4882 B7M
EN 10269 25 Cr Mo 4
BS 3692 Gr. 8