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Control systems Pressure reducing/surplussing valves
Spare parts Available spares Maintenance kit A stand-by set of spares for general maintenance purposes and covers all spares marked * Main diaphragm * (2 off)
A
Pilot diaphragm *
B
(2 off)
Pilot valve chamber assembly *
C
E
PFTE seals
(packet of 6)
K, L
Main valve assembly
Internal strainer *
M
Main valve return spring *
N
Yellow
0.2 to 3 bar
Pressure adjustment spring (Not required for DP17R) Choice of spring to suit reduced pressure:
O
Blue
2.5 to 7 bar
Red
6 to 17 bar
P
Control pipe assembly
Balance pipe assembly *
Q
4.6 126
Body gasket *
R
(3 off)
Set of spring housing/actuating chamber cover securing studs and nuts * (set of 4)
S
T
Set of main body studs and nuts
(set of 4)
½" - DN32 (set of 10)
V
Set of diaphragm securing bolts and nuts
Valve sizes
DN40 and DN50 (set of 12)
Y
Push rod and main diaphragm plate assembly
Type DP17E only Solenoid valve complete
W
X1
Replacement coil
X2
Valve seat and core assembly
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 pressure reducing valve. Example: 1 - Main valve assembly for a 1" Spirax Sarco Type DP17 pressure reducing valve. How to fit. See Installation and Maintenance Instructions supplied with the pressure reducing valve. Further copies are available on request.
TI-P208-01 CTLS Issue 4
Page 8 of 9
DPP17E and DPP17EE Pilot Operated Pressure Reducing Valves with SG Iron Bodies
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