44
Spare parts The spare parts available are shown in solid outline. Parts drawn in a grey line are not supplied as spares. Available spares Control systems Pressure reducing/surplussing valves
18
4, 18 4, 18 4, 18
Grey
0.14 to 1.7 bar g
Pressure adjustment spring
*
Green
1.40 to 4.0 bar g
Orange
3.50 to 8.6 bar g
* Bellows
Stainless steel or phosphor bronze
5, 6
specify type
assembly
* Spring housing hex. bolts (set of 4)
7
6, 11, 12, 19
Valve and seat assembly
7 Spring housing hex. bolts
Pressure adjustment spring
* Gasket set
6, 12, 17
* Common to all sizes.
How to order spares Always order spares by using the description given in the column headed 'Available spares' and state the size, type and pressure range of the reducing valve. Example: 1 off Pressure adjustment spring (orange), having a downstream pressure range of 3.5 to 8.6 bar g for a Spirax Sarco ½" BRV2S5 pressure reducing valve.
4
4.6 12
5
Bellows assembly
6
6 6
19
Valve and seat assembly
Gasket set
11 12
12
Recommended tightening torques
or mm
Item Part
N m
7
7
Hex. bolts
13 A/F
M8 x 25
18 - 24
11
Valve seat
32 A/F
108 - 132
16
Bottom cap
32 A/F
65 - 75
TI-P045-09 CTLS Issue 8
Page 6 of 6
BRV2S5 and BRV2B5 Gunmetal Pressure Reducing Valves
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