4.6.59

K

L

G

J

H

Control valves

Pressure reducing/surplussing valves

Spare parts for the DN15 and DN20 valves

The spare parts available for sizes DN15 and DN20 valves are detailed below. No other parts for these sizes are supplied as spares.

Available spares

Coupling

Diaphragm set

Needle bearing

Sealing bellows set

Control spring(s)

Seat/head set

Gasket set

Actuator spindle guide assembly

Diaphragm and sealing washer.

Sealing bellows assembly, sealing bellows gasket, bonnet gasket and head seal.

Seat, seat gasket, head, bonnet gasket and head seal.

Sealing bellows gasket, bonnet gasket and seat gasket.

Spindle guide, bearing bush, spindle seal 'O' ring, housing seal 'O' ring and circlip.

A

B, C

D

E, F, G, H

I

J, K, L, G, H

F, G, K

P, R, S, T, V

How to order spares

Always order spares by using the description given in the column headed ‘Available spares’ and state the size and type of valve.

Example: 1 - Gasket set for a Spirax Sarco DN15 DEP4B1 express pressure valve.

How to fit spares

Full fitting instructions are given in the Installation and Maintenance Instructions supplied with the spare(s).

E

I

S

R

A

F

D

Y

V

T

C

B

TI-P206-01 CH Issue 12

DEP4 Cast Steel Excess Pressure Valve

Page 6 of 8

DN15 and DN20