21
3
181
7
8
4
DN15, DN20 and DN25
DN15 shown
19 21 20
No. Part
18
Body
SG iron
1
2
Cover nuts
3
Cover gasket
4
Cover
EN JS1049
DIN 17420 21 Cr Mo V57
EN 10269 25 Cr Mo 4
DIN 17420 24 Cr Mo 5
Cover stud
Steel
Steel
Steel
Reinforced exfoliated graphite
Valve seat
5
Main valve assembly with erosion deflector
Valve seat gasket
6
Main valve assembly gasket
Pivot frame assembly set screws
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
SG iron
Stainless steel
Stainless steel
DIN 1693 GGG 40.3
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 CS 4
BS 1449 304 S16
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
DN40 Stainless steel
DN50 Stainless steel
Stainless steel
Stainless steel
Stainless steel
Stainless steel
Stainless steel
Stainless steel
Stainless steel
Stainless steel
TI-P142-01 ST Issue 12
Page 3 of 6
9 12 6
17
5 7
DN15, DN20 and DN25 for horizontal installations only
DN40 and DN50
DN50 shown
DN40 and DN50 for horizontal installations only
Steel
Graphite
Stainless steel
10
11
21
31817
8
4
DN15, DN20, DN25 and DN40
DN50 SG iron
EN JS1025
DN15, DN20 and DN25
DN15, DN20 and DN25
DN15, DN20 and DN25
7
Material
6 26 5
Stainless steel
Reinforced exfoliated graphite
Stainless steel