Control valves

Pressure reducing/surplussing valves

4.6.55

Materials

No.

Part

1

Body

2

Bonnet

3

Valve seat

4

Valve seat gasket

5

Valve head

6

Valve head screw

7

Valve head seal

8

Bush

9

Bush (part of item

10

Balancing bellows

11

Balancing bellows

12

Bonnet gasket

13

Bonnet nuts

14

Bonnet studs

10)

assembly

gasket

DN15

DN20 and DN25

DN32 to DN50

DN15 and DN20

DN15 and DN20

DN25 to DN100

DN25 to DN100

DN25 to DN100

DN15 to DN40

DN50 and DN65

DN80 and DN100

DN15 and DN20

DN25 to DN100

DN25 to DN100

Material

Cast steel

Cast steel

Stainless steel

Stainless steel

Reinforced exfoliated graphite

Stainless steel

Stainless steel

Arlon 1555

Stainless steel

Stainless steel

AISI 316L

Reinforced exfoliated graphite

Reinforced exfoliated graphite

Steel

Steel

Zinc plated steel

Zinc plated steel

Zinc plated cast iron

Chrome vanadium

PTFE / steel composite

Stainless steel

Reinforced exfoliated graphite

Zinc plated steel

Zinc plated steel

Zinc plated steel

GP 240 GH

DIN 17245 GSC25

BS 970 431 S29

Mild steel

BS 970 431 S29

BS 6105 A2

BS 970 431 S29

BS 970 431 S29

DIN 267 Pt13 Gr. 8

DIN 267 Pt13 Gr. 8.8

BS 970 230 M07

BS 3693 Gr. 8

DIN 1691 GG25

AISI 316L

Stainless steel 'S' type

BS 970 230 M07

BS 970 230 M07

BS 1449 Pt 1 HR14

M10

M12

M16

15

Pillars

16

Pillar nuts

17

Spring adjuster

18

Spring(s)

19

Bearing bush (part of item 20)

20

Sealing bellows assembly

21

Sealing bellows gasket

22

Clamp nut

25

Lock-nut

26

Spring plate

27

Needle bearing

28

Setting nut

29

Bearing locator

30

Adjuster sleeve

31

Mounting plate

32

Housing

33

Housing screws

34

Housing nuts

35

Spindle guide

36

Diaphragm

37

Hexagon headed bolt

38

Sealing washer

39

Diaphragm clamp

40

Piston

41

Spindle

42

Mounting nuts

43

Coupling

44

Thread insert

45

Self-locking nut

46

Washer

47

Cirlclip

48

Spindle seal 'O' ring

49

Bearing bush

50

Housing seal 'O' ring

51

Vent plug

52

Coupling clamp

53

Spring

54

Clamp screw

55

Clamp plate

56

Clamp plate gasket

Steel

Zinc plated steel

Zinc plated steel

Zinc plated steel

Zinc plated steel

Steel

Steel

Zinc plated steel

Zinc plated steel

Zinc plated steel

Zinc plated steel

Stainless steel

EPDM fabric reinforced or suffix 'N' Nitrile fabric reinforced

BS 970 230 M07

BS 970 230 M07

Types 11(N) to 14(N)

Type 15(N)

Types 11(N) to 12(N)

Types 13(N), 14(N) and 15(N)

Types 11(N) and 12(N)

Types 13(N), 14(N) and 15(N)

DN15 and DN20

DN25 to DN100

Type 12(N) only

DN65 to DN100 only

BS 1449 Pt 1 HR14

DIN 1514 St W24

BS EN 10025 S355 J2G3

BS 3692 Gr. 5.6

BS 3692 Gr. 8.8

BS 3692 Gr. 5.6

BS 3692 Gr. 8

BS 970 431 S29

Stainless steel

Fibre

Stainless steel

Zinc plated carbon steel

Zinc plated carbon steel

Zinc plated steel

Zinc plated steel

Stainless steel

Zinc plated steel

Zinc plated steel

Zinc plated steel

EPDM or suffix 'N' Nitrile

PTFE / steel composite

EPDM or suffix 'N' Nitrile

Plastic

Zinc plated steel

Spring steel

Zinc plated steel

Stainless steel

Reinforced exfoliated graphite

BS 6105 A2

ASTM A351 CF8M

BS 1449 Pt 1 HR14

BS 970 230 M07

BS 3692 Gr. 8

DTD 734

BS 1449 CR4

BS 1449 CR4

ASTM A216 Gr. WCB

BS 5216 Gr. M4

BS 4168 Gr. 12.9

ASTM A276 316L

TI-P206-01 CH Issue 12

DEP4 Cast Steel Excess Pressure Valve

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