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Spare parts
The spare parts available are shown in solid outline. Parts drawn in a grey line are not
available as spares.
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 (2 off) B
Pilot valve assembly C or C1
Pilot valve filter element and gasket (3 pieces) E, F
Main valve assembly K, L
Internal strainer screen M
Main valve return spring N
Pressure adjustment spring
(Not required for DP27R)
DP27 and DP27E 0.2 to 17 bar
O
DP27Y 0.2 to 3 bar
Control pipe assembly P
Downstream pressure balance pipe assembly (internal pressure sensing pipe) Q
Body gasket (3 off) R
Pilot valve block gasket (DP27R only) R1
Set of spring housing / actuating chamber cover securing studs and nuts (set of 4) S
Set of main body studs and nuts (set of 4) T
Set of diaphragm securing bolts and nuts Valve sizes
DN15 - DN32 (set of 10)
V
DN40 and DN50 (set of 12)
Pushrod and main diaphragm plate assembly Y
Type DP27E only
Solenoid valve complete W
Replacement coil X1
Valve seat and core assembly X2
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 the pressure reducing valve.
Example:
1 - Main valve assembly for a Spirax Sarco DN25 DP27 pilot operated pressure reducing valve.
*
*
*
*
*
*
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