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Control systems Positioners and controllers
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, C, D, E
Pilot valve assembly
Pilot valve packless gland set *
H, J
K, L
Main valve assembly
Internal strainer *
M
Main valve return spring *
N
Range A 16 °C − 49 °C
Control head Range B 38 °C − 71 °C Range C 49 °C − 82 °C Range D 71 °C − 104 °C Range E 93 °C − 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). 'O' ring for sensor bulb adaptor (packet of 3)
Z (3 off), Y
U
4.4 52
Control pipe assembly *
P
Gasket set *
R
(3 off)
S
Set of pilot valve housing securing stud and nuts
(set of 4)
T
Set of main body studs and nuts
(set of 4)
DN15 to DN32 (set of 10) DN40 to DN50 (set of 12)
V
Set of diaphragm securing bolts and nuts
Valve sizes:
Y
Set of control head securing screws
(set of 3)
W
Solenoid valve type 37DE only
X1
Coil
X2, X3, X4, X5
Valve seat and core assembly
How to order Always order spares by using the description given in the column headed 'Available spares' and state the size and type (37D or 37DE) of temperature control valve and whether screwed or flanged. Example: 1 - Main valve assembly for a Spirax Sarco DN25 Type DP37D 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-P102-01 CTLS Issue 8
Page 6 of 8
37D and 37DE Pilot Operated Temperature Control Valve with SG Iron Body
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