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Control systems 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 are supplied as spares.
DRV7
Stainless steel seated
Valve assemblies
DRV7G
Nitrile soft seated
The listed parts are for the following valve types:
Types 1 to 5
EPDM diaphragm
Actuator assemblies
Types 1N to 5N
Nitrile diaphragm
Available spares Coupling
A
B, C
Diaphragm set
Diaphragm and sealing washer.
D
Needle bearing
E, F, G
Sealing bellows set
Sealing bellows assembly, sealing bellows gasket and bonnet gasket.
I
Control spring(s)
J, K, L, G, H
Seat/head set
Seat, seat gasket, head, bonnet gasket and head seal.
F, G, K
Gasket set
Sealing bellows gasket, bonnet gasket and seat gasket.
4.6 52
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 DRV7B1 pressure reducing valve. How to fit spares Full fitting instructions are given in the Installation and Maintenance Instructions supplied with the spare(s).
J
K L
H
G
E
I
F
D
B
C
A
DN15 and DN20
TI-P204-01 CTLS Issue 15
Page 6 of 10
DRV7 and DRV7G SG Iron Pressure Reducing Valves
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