Control valves

Pressure reducing/surplussing valves

4.6.95

Materials

No.

Part

1

Adjustment screw

2

Adjustment lock-nut

3

Spring housing

4

Top spring plate

5

Pressure adjustment spring

6

Bottom spring plate

7

Spring housing

8

Pilot diaphragms

9

Pilot valve chamber

10

Pilot valve plunger

Securing nuts

Securing studs

Material

Steel

Steel

SG iron

Stainless steel

Stainless steel

Brass

Steel

Steel

DN15 to DN32

DN40 and DN50

Phosphor bronze

M10x95mm

M12x95mm

BS 3692 Gr. 8.8

BS 3692 Gr. 8

DIN1693 GGG 40.3

ASTM A351/A351M CF8M

BS 2056 302 S 25

BS 2872 CZ 122

BS 3692 Gr. 8

BS 4439 Gr. 8.8

BS 2870 PB102 1980

DIN 1693 GGG 40.3

BS 970 431 S 29

BS 970 431 S 29

AISI 420

BS 2057 302 S 25

BS 1449 301 S 21

BS 1449 316 S 11

BS 970 431 S 29

BS 2056 302 S 25

BS 970 431 S 29

BS 970 431 S 29

BS 2871 C 106 1⁄2H

DIN 1693 GGG 40.3

BS 3692 Gr. 8

BS 4439 Gr. 8.8

DIN 1693 GGG 40.3

BS 3692 Gr. 8

BS 3692 Gr. 8.8

BS 2870 PB 102

BS 2872 CZ 122

BS 970 431 S 29

BS 3692 Gr. 8

BS 2874 CZ 121

ISO (BS) PF2C3

BS 970 431 S 29

AISI 440 B

DIN 1693 GGG 40.3

BS 3692 Gr. 8

BS 4439 Gr. 8.8

BS 2874 CZ 122

ISO (BS) PF2C3

2 BA x 3⁄4"

EN 12451 CW707R H130/170

11

Pilot valve seat with integral seal

SG iron

Stainless steel

Stainless steel

Stainless steel

Stainless steel

Stainless steel

Stainless steel

Stainless steel

Brass

Stainless steel

Stainless steel

Stainless steel

Copper

SG iron

Steel

Steel

DN15 to DN32

+ PTFE

12

Pilot valve ball

13

Pilot valve spring

14

Pilot valve clip

15

Pilot filter cap gasket

16

Pilot filter cap

17

Pilot filter element

18

Main valve return spring

19

Main valve

20

Main valve seat

21

Balance pipe assembly

22

Main valve body

23

Main body

24

Main diaphragm chamber

25

Main diaphragm

26

Main diaphragms

27

Main diaphragm plate

28

Pushrod

29

Control pipe assembly

30

Plug " BSP

32

Lock-nut

33

Solenoid valve

34

Packless gland housing

35

Pilot valve plunger

36

Pilot valve seat ring

37

Pilot valve closure member

38

Pilot valve housing

39

Pilot valve housing

40

Locking ring

41

Adjustment head

Securing nuts

Securing studs

Securing nuts

Securing studs

DN40 and DN50

SG iron

Steel

Steel

DN15 to DN32

DN40 and DN50

Phosphor bronze

Brass

Stainless steel

Brass and copper

Steel

Steel

Brass

Phenolic resin

Stainless steel

Stainless steel

SG iron

Steel

Steel

DN15 to DN50

Brass

Phenolic resin

Cadium plated

Copper PVC covered

Brass

M10x25mm

M12x30mm

M12x50mm

M12x55mm

Securing nuts

Securing studs

M10x25mm

42

Adjustment head securing screws

43

Capillary tube

44

Sensor

Page 2 of 9

TI-P470-08 CH Issue 3

DP27T and DP27TE Pilot Operated Pressure/Temperature Control Valves with SG Iron Bodies