Steam traps Inverted bucket
8
Materials
5
6
2 1
15
8 7
HM 1" only
11 9 10
HM ½" & ¾"
3 4
HM 1" only
12
14
13
5.6.4
No.
Part
Material
1
Cover
Cast Iron
DIN 1691 GG 20
½ ", ¾ " ½ ", ¾ "
Cover bolts
Steel
BS 3692 Gr.10
Cover nuts
Steel
BS 3692 Gr.10.9
2
Cover bolts
1"
Steel
BS 3692 Gr. 8.8
Cover nuts
1"
Steel
BS 692 Gr. 8
8.6 3
3 4 5 6 7 8 9
Body
Cast iron
DIN 1691 GG 20
Bucket
Stainless steel
BS 1449 304 S16
Valve guide plate screw
Stainless steel M4.5 x 10
BS 4183 18/8
Valve guide plate
Stainless steel
BS 1449 304 S11
Cover gasket
Reinforced exfoliated graphite
Valve seat
Stainless steel
AISI 431
Valve
Stainless steel
AISI 440B
10
Valve lever
Stainless steel
BS 1449 321 S31
HM00/10
Stainless steel
BS 970 321 S31
11
Ferrule
HM12
Stainless steel
BS 3605 (CFS) 304 S14
12
Strainer screen
HM00
Stainless steel
ASTM A240 316L
½ " and ¾ "
SG iron
DIN 1693 GGG 40
13
Strainer cap
1"
Cast iron
DIN 1691 GG 25
14 15
Strainer gasket
Reinforced exfoliated graphite
Plug
Stainless steel
BS 970 416-537
TI-S03-02 CMGT Issue 12
Page 3 of 6
HM Series Cast Iron Inverted Bucket Steam Traps
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