Steam traps Balanced pressure
8
Spare parts The spare parts available are shown in solid outline. Parts drawn in a grey line are not supplied as spares.
Available spares Internals set for MST21
3, 4, 5, 6, 7
How to order spares Always order spares by using the description given in the column headed 'Available spares' and state the size, model number and capsule reference. Example : 1 off Internals set for a Spirax Sarco ¼" MST21 balanced pressure thermostatic steam trap having a 'STD' fill capsule for operation at 10 °C below steam saturation temperature.
1
6
5.2.7
4
3
8.2 24
5
Recommended tightening torques
7
or mm
Item Part
N m
¼" ½"
22
100 - 110
32
100 - 110
1 and 2
"
32
100 - 110
2
¾"
36
100 - 110
1"
41
100 - 110
TI-P125-08 CMGT Issue 11
Page 4 of 4
MST21 Stainless Steel Balanced Pressure Thermostatic Steam Trap
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