Control systems Pressure reducing/surplussing valves
4
Materials
2
3
4
7
1
6
5
10
9
4.6 15
Note: Items 9 , 10 , 11 , 13 , 14 and 15 are all part of one assembly.
11
8
No.
Part
Material Aluminium
1 2
Spring housing
LM6 Electroless nickel finish
Adjustment handwheel
Plastic
Polypropylene
DIN 1691 GG 20 Electroless nickel finish BS 2803 685 A55 Range 2 Electroless nickel finish
3
Top spring plate
Cast iron
4
Pressure adjustment spring
Silicon chrome spring steel
5 6 7
Bellows assembly
Stainless steel
316Ti/316L
Bellows assembly gasket Hex. bolt (M8 x 25 mm)
Reinforced exfoliated graphite
Stainless steel
BS 6105 A 270
DIN 1.4404 BS 3100 316 C12 ASTM A351 CF 3M External electropolish finish
8
Body
Stainless steel
9
Guide bush
Graphite filled PTFE
ASTM A276 316L BS 3100 316 C 12 ASTM A351 CF 3M DIN 1.4404
10
Pushrod
Stainless steel
11
Valve seat
Stainless steel
Materials continued on next page
TI-P186-05 CTLS Issue 9
Page 3 of 7
SRV2S Stainless Steel Pressure Reducing Valve
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