Control valves

Pressure reducing/surplussing valves

4.6.117

Materials

No. Part

Material

SG iron

SG iron

Stainless steel

Stainless steel

Stainless steel

Stainless steel

PTFE / Steel composite

Stainless steel

Stainless steel

Stainless steel

Stainless steel

Carbon steel

Carbon steel

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Stud

Body

Bonnet

Valve head assembly (including snap ring)

Valve seat

Balancing bellows assembly

Guide bush

DN15 - DN32

DN40 - DN100

DN15 - DN20

DN25 - DN100

DN15 - DN65

DN80 - DN100

DN15 - DN50

DN65 - DN100

DN15 - DN32

DN40 - DN50

DN65

DN80 - DN100

DN65

DN80 - DN100

DN65 - DN100

Type 1, 2, 3 and 4

Type 5

Type 1, 2, 3 and 4

Type 5

Types 1 and 2

Type 3, 4 and 5

Types 1 and 2

Type 3, 4 and 5

DN50

EN-JS1025

EN-JS1025

BS 970 431S29 A276 431

420A UGIMA

BS 970 431S29 A276 431

316L

AISI 440B or 440C

SAE 51420

BS 970 304S11

ASTM A276 316L

BS 970 230 M07

BS 970 230 M07

BS EN 10111 1.0335

BS 1449 HR14

BS EN 10111 1.0335

BS EN 10270-1 SM or DM

BS EN 10111 1.0335

BS 970 606 M36

DIN 17240-CrMo5

DIN 17240-CrMo5

DIN 17240-CrMo5

DIN 17240-Gr. CK35

DIN 17240-Gr. CK35

DIN 17240-Gr. CK35

BS 3692 Gr. 8.8

BS 970 230 M07

Klingersil SLS or Geegraf SSR

Klingersil SLS or Geegraf SSR

DIN 7993 St.St. (Austenitic)

DIN 1614 PT2 Gr StW 24

BS EN 10025 Gr. S355J2G3

DIN 1614 PT2 Gr StW 24

BS EN 10025 Gr. S355J2G3

BS 3692 Gr. 5.6

BS 3692 Gr. 8.8

BS 3692 Gr. 5

BS 3692 Gr. 8

BS 6105

18-8

Except components

Spindle guide plate

Clamp nut

Pillar

Actuator mounting plate

Bonnet spring plate

Spring

Spring plate

Axial needle bearing

Adjustment nut

Cap screw

Ball bearing

Spirol pin

Steel

Steel

Steel

Steel

Steel

Steel

Steel

zinc plate

zinc plate

zinc plate

zinc plate

*

16

*

17

18

19

20

21

22

Nut (Bonnet)

Nut

Nut (Pillars)

Lock-nut

Gasket (Bonnet / Body)

Gasket (Bonnet / Bellows clamp)

Snap ring (Retain spindle guide)

M10

M12

M12

M16

M12

M16

M12

M14 x 1.5

Steel

Semi-rigid graphite

Semi-rigid graphite

Stainless steel

Carbon steel

Low carbon steel

Carbon steel

Low carbon steel

Steel zinc plated

Steel zinc plated

Steel zinc plated

Steel zinc plated

Polyester fibre fabric EPDM coated

Stainless steel

Fibre

Stainless steel

Carbon steel

Carbon steel

Carbon steel

Steel zinc plated

Stainless steel

Stainless steel

Stainless steel

Actuator assembly

Actuator upper

Actuator lower

Housing screw

Housing nuts

Diaphragm

Hex headed bolt

Sealing washer

Diaphragm clamp

Piston

Actuator spindle

Mounting nuts

Coupling

PN25

ASTM A351 CF8M

BS 1449 Pt 1 HR14

BS 970 Pt3 230M07 PB

BS 3692 Gr. 8

23 * Name-plate

24

* Hammer drive screw

* Name-plate arrow

* Not shown

TI-P204-04 CH Issue 7

DLV7 SG Iron Pressure Reducing Valves

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