The spare parts available are shown in heavy outline. Parts drawn
in broken line are not supplied as spares.
Available spares
Set of body gaskets
7
Maintenance kit (Disc and bellows assembly + body gaskets) 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 and type of valve.
Example: 1 - Maintenance kit plus 1 - Set of body gaskets for
a 1" Spirax Sarco type A3S bellows sealed stop valve having
screwed BSP connections.
Size
A
B
(valve open)
1⁄2"
80
136
3⁄4"
90
144
1"
110
167
11⁄4"
127
194
11⁄2"
155
220
2"
170
230
C
Weight
70
1.7
90
2.3
110
3.6
110
5.9
130
8.5
180
11.6
B
For full details see the Installation and Maintenance Instructions
(IM-P132-11) supplied with the product.
Installation note:
Install in the direction of flow given by the arrow on the body with the
handwheel in a suitable position. The preferred position is with the
spindle vertical.
Disposal
The product is recyclable. No ecological hazard is anticipated with
the disposal of this product, providing due care is taken.
Example: 1 off Spirax Sarco A3S bellows sealed stop valve having
screwed BSP connections.
7 (Graphite laminate with stainless
steel insert)
6
5
7 (Spirally wound stainless steel
and graphite filler)
C
A
A3S and A3SS Bellows Sealed Stop Valve
TI-P132-09 ST Issue 6
8
Please note: Item 8 is not an available spare.
Recommended tightening torques
Item Part
8
Body bolt
Size
1⁄2"
3⁄4"
1"
11⁄4"
11⁄2"
2"
or
mm
N m
40 -50
40 -50
70 -90
70 -90
110 -130
160 -190
M10
M10
M12
M12
M14
M16