Steam traps Steam trap management
8
Safety information, installation and maintenance For full details see the Installation and Maintenance Instructions supplied with the product. Installation note: The sensor chamber should be installed immediately upstream of the steam trap (i.e. close coupled) in a horizontal pipeline with the direction of flow in accordance with the flow arrow on the body.
How to order Example: 1 off Spirax Sarco DN25 Spiratec ST143 (ST143L if a left hand sensor fitting is required) sensor chamber assembly with end connections flanged EN 1092 PN40 fitted with SS1 standard sensor or Spiratec WLS1 waterlogging sensor. Note: State if the WLS1 is to be supplied with or without a diode pack.
Spare parts The spare parts available are detailed below. No other parts are supplied as spares. Available spares SS1 standard sensor and gasket
2, 3 2, 3
WLS1 waterlogging sensor assembly and gasket
4 3
WLS1 diode pack
Sensor gaskets (packs of 10)
Sensor blanking plug (optional extra - not shown)
Flanged
Screwed, socket weld
5.1.7
2 + 3
2 + 3
2 + 3
5
5
5
8.1 6
How to order spares Always order the spares by using the description given in the column headed 'Available spares' and state the size of model of the sensor chamber. Example: 1 - Sensor blanking plug for a ½" Spirax Sarco Spiratec ST141 sensor chamber.
2
5
4
Recommended tightening torques
Item Part
mm N m
2
Sensor
24 A/F
50 - 56
½" and ¾"
27 A/F
54 - 60
5
Plug
1"
33 A/F
84 - 93
1½" and 2"
40 A/F
130 - 145
TI-P086-17 EMM Issue 3
Page 6 of 6
Spiratec ST14, ST16 and ST17 Sensor Chambers and Sensors
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