44
Control systems Pressure reducing/surplussing valves
Materials (continued)
19
21
20
4.6 32
14
16
15
13
17 18
No.
Part
Materials
13 14 15 16
Piston
Stainless steel
BS 970 431 S29
Valve head
Nitrile rubber
Piston return spring
Stainless steel
BS 2056 Gr. 302 S26
Strainer screen
Stainless steel
BS 1449 316 S16
17
Cap
Brass
BS 2872 CZ 122
18 19 20
Cap gasket
Stainless steel reinforced exfoliated graphite
Spring range ID disc
Polypropylene
Bulkhead plate
Stainless steel
316L
21
Tamper-proof pin
Mild steel copper plated
TI-P001-07 CTLS Issue 6
Page 4 of 6
LRV2B and LRV2S Gunmetal Pressure Reducing Valves
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