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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 diaphragms *
(2 off)
Pilot valve assembly *
C, C1
E, F
Pilot valve filter and gasket
(packet of 3 of each)
B2, C2, D2, E2
Pilot valve assembly for temperature control unit
Pilot valve packless gland set *
H2, J2
K, L
Main valve assembly
DN15 to DN50
G M N O
Pushrod and main diaphragm plate assembly
Internal strainer *
Main valve return spring * Pressure adjustment spring
0.2 - 17 bar
Range A 16 ° C to 49 ° C
Control head (3 pieces) Range B 38 ° C to 71 ° C Range C 49 ° C to 82 ° C Range D 71 ° C to 104 ° C Range E 93 ° C to 127 ° C When ordering state range and length of capillary tube. Normally stocked in capillary lengths of 2 m. Available in multiples of 2 m up to a maximum of 14 m (at extra cost). Union sub assembly (3 pieces)
4.6 162
Y, Z
U P Q R
Control pipe assembly * Balance pipe assembly
Body gasket set *
(3 off)
Pilot valve block gasket temperature control unit (3 pieces) *
R1
S T V
Set of spring housing/actuating chamber cover securing studs and nuts
(set of 4)
Set of main body studs and nuts
(set of 4)
DN15 to DN32 (set of 10)
Set of diaphragm securing bolts and nuts
Valve sizes:
DN40 to DN50 (set of 12)
S1
Set of temperature pilot valve housing securing studs and nuts
(set of 4)
Y
Set of adjustment head securing screws
(set of 3)
W
Solenoid valve complete
Type DP27TE only
X1 X2
Replacement coil
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 the pilot operated pressure/temperature control valve. Example: 1 - Main valve assembly for a Spirax Sarco DN15 Type DP27T pilot operated pressure/temperature control valve. How to fit: See the Installation and Maintenance Instructions supplied with the product. Further copies are available on request.
For 'Interchangeability of spares' go to page 8.
TI-P470-08 CTLS Issue 5
Page 10 of 12
DP27T and DP27TE Pilot Operated Pressure/Temperature Control Valves with SG Iron Bodies
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