Pipeline ancillaries Bellows sealed stop valves
10
Spare parts The spare parts available are shown in heavy outline. Parts drawn in a grey line are not supplied as spares.
Available spares Set of body gaskets
7
5, 6, 7
Maintenance kit (Disc and bellows assembly + body gaskets)
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 valve. Example: 1 off Maintenance kit plus 1 - Set of body gaskets for a 1" Spirax Sarco type A3S bellows sealed stop valve having screwed BSP connections.
* Please note: Item 8 is not an available spare.
8
*
7 (Graphite laminate with stainless steel insert)
6 5 7 (Spirally wound stainless steel and graphite filler)
10.1 5
Recommended tightening torques
or mm
Item Part
N m (lbf ft)
½"
M10
40 - 50
(30 - 37)
¾"
M10
40 - 50
(30 - 37)
1"
M12
70 - 90
(52 - 66)
8
Body bolt
1¼"
M12
70 - 90
(52 - 66)
1½"
M14
110 - 130 (82 - 96)
2"
M16
160 - 190 (118 - 140)
TI-P132-09 CMGT Issue 8
Page 5 of 5
A3S and A3SS Bellows Sealed Stop Valve
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