Spirax Sarco 37D, Installation And Maintenance Instructions Manual

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IM-P102-04 CTLS Issue 7
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Spare parts
Spare parts are available as indicated. No other parts are supplied as spares.
Available spares
Maintenance kit
A stand-by set of spares for general maintenance purposes which covers all spares marked*
Main diaphragm * (2 off) A
Pilot valve assembly B, C, D, E
Pilot valve packless gland set * H, J
Main valve assembly K, L
Internal strainer * M
Main valve return spring * N
Control head
Range A 16 °C - 49 °C (61 °F - 120 °F)
Z (3 off),
Y
Range B 38 °C - 71 °C (100 °F - 160 °F)
Range C 49 °C - 82 °C (120 °F - 180 °F)
Range D 71 °C - 104 °C (160 °F - 219 °F)
Range E 93 °C - 127 °C (199 °F - 261 °F)
Note: When ordering state the 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 (3 pieces) U
Control pipe assembly * P
Gasket set * (3 off) R
Set of pilot valve housing securing stud 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 - 32 (set of 10)
V
DN40 and 50 (set of 12)
Set of control head securing screws (set of 3) Y
Type 37DE 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 (37D or 37DE) of temperature control and whether it is screwed or flanged.
Example: 1 - Main valve assembly for a DN25 Spirax Sarco Type 37D temperature control.
Note: To provide a stand-by set of spares for general maintenance purposes, an order for 1 maintenance
kit will cover all spares marked*.