Product Handbook 2026 - Volume 2

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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