Control valves

Pressure reducing/surplussing valves

4.6.43

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)

10 Balancing bellows assembly

11 Balancing bellows gasket

12 Bonnet gasket

13 Bonnet nuts

14 Bonnet studs

15 Pillars

16 Pillars nuts

17 Spring adjuster

18 Spring(s)

19 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 (not shown)

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 Circlip

48 Spindle seal 'O' ring

49 Bearing bush

50 Housing seal 'O' ring

51 Vent plug

52 Coupling clamp

53 Spring

54 Clamp screw

DN15 to DN50

DN65 to DN100

DN15

DN20 and DN25

DN32 to DN50

DN15 and DN20

DN25 to DN20

DN25 to DN100

DN25 to DN100

DN25 to DN100

DN15 to DN40

M10

DN50 and DN65 M12

DN80 and DN100 M16

DN15 and DN20

DN25 to DN100

DN25 to DN100

Types 11(N) to 14(N)

Type 15(N)

Types 11(N) to 12(N)

Types 13(N), 14(N) and

Types 11(N) to 12(N)

Types 13(N), 14(N) and

DN15 and DN20

DN25 to DN100

Type 12(N) only

Material

SG iron

SG iron

SG iron

Stainless steel

Stainless steel

Mild 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

Stainless steel 'S' type

Reinforced exfoliated graphite

Zinc plated steel

Zinc plated steel

Zinc plated steel

Steel

Zinc plated steel

Zinc plated steel

Zinc plated steel

Zinc plated steel

Steel

DIN 1693 GGG 40.3

ENG JS 400-18-LT

DIN 1693 GGG 40.3

BS 970 431 S29

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

BS 970 230 M07

BS 970 230 M07

BS 1449 Pt 1 HR14

BS 970 230 M07

BS 970 230 M07

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

15(N)

15(N)

Steel

Zinc plated steel

Zinc plated steel

Zinc plated steel

Zinc plated steel

Stainless steel

EPDM fabric reinforced or suffix 'N' Nitrile fabric reinforced

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

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

TI-P205-01 CH Issue 10

DEP7 SG Iron Excess Pressure Valve

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