Control valves

Self-acting controls

4.5.29

KA51

1

4

5

3

6

8

2

7

KB51 and KC51

Materials

No. Part

1 Body

2 Bonnet

3 Valve head

4 Valve seat ring

5 Valve seat gasket

6 Return spring

7 Stem

8 Bonnet gasket

12 Bonnet

13 Bellows

14 Bellows gasket

16 Plunger

TI-P078-04 CH Issue 7

KA51, KB51 and 11⁄2" KC51

Material

Bronze

Bronze

Steel

Stainless steel

Stainless steel

Mild steel

Reinforced exfoliated graphite

Stainless steel

Brass

Stainless steel

Reinforced exfoliated graphite

Steel

Steel

Phosphor bronze

Stainless steel

Reinforced exfoliated graphite

Brass

1

4

5

3

7

14

8

13

12

2

16

CC 491 KM

CC 491 KM

EN 10213 GP240 GH+N

BS 970 431 S 29

BS 970 431 S 29

BS 1449 CS 4

BS 2056 302 S 26

BS 2874 CZ 121

BS 970 321 S20

BS 4439 Gr. 8.8

BS 3692 Gr. 8

EN 12449 Cu Sn 6

AISI 316L

BS 2874 CZ 121

KC51

KA51 and KB51

KC51

Studs

Nuts

KA51

KC51

2"

1"

11⁄2" to 2"

KA51, KB51 and KC51 Bronze Self-Acting Control Valves

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