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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 B
Pilot diaphragm *
(2 off)
Pilot valve assembly inclusive of filter element * (Pilot valve chamber assembly for the DP27G and DP27GY)
C
E, F
(packet of 3 off each)
Pilot filter element and cap gasket * (Not required for the DP27G and DP27GY)
DP27G and DP27GY only - PTFE seals (packet of 6)
E
K, L
Main valve assembly
Internal strainer *
M
N
Main valve return spring
DP27, DP27E and DP27G
O
0.2 to 17 bar
Pressure adjustment spring (Not required for DP27R)
DP27Y and DP27GY
0.2 to 3 bar
Control pipe assembly *
P
Balance pipe assembly *
Q
4.6 178
Body gasket (3 off) *
R
R1
Pilot valve block gasket (DP27R only)
Set of spring housing/actuating chamber cover securing studs and nuts
S
(set of 4)
T
Set of main body studs and nuts
(set of 4)
½ " - DN32
V
(set of 10)
Set of diaphragm securing bolts and nuts
Valve sizes
DN40 and DN50
(set of 12)
Y
Pushrod and main diaphragm plate assembly
Type DP27E 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 DP27 pressure reducing valve. How to fit. See Installation and Maintenance Instructions supplied with the pressure reducing valve. Further copies are available on request.
For 'Interchangeability of spares' go to page 14.
TI-P470-01 CTLS Issue 13
Page 14 of 16
DP27, DP27E, DP27G, DP27GY, DP27R & DP27Y Pilot Operated Pressure Reducing Valves with SG Iron Bodies
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