Control systems Pressure reducing/surplussing valves
4
Materials
2 18
20
* BRV2SP and BRV2BP only
3
17*
7
16*
1
4 9
6 5
19 10 12 11 13
8
4.6 3
Note: Items 10, 11, 13, 14, 15 and 19 are all part of one assembly.
14 15
No.
Part
Materials
1 2 3 4
Spring housing
Aluminium epoxy coated
LM 24
Adjustment handwheel
Polypropylene
Top spring plate
Cast iron
DIN 1691 GG 20
Pressure adjustment spring
Silicon chrome spring steel
BS 2803 685 A55 Range 2
Stainless steel
316Ti/316L
5
Bellows assembly
Phosphor bronze/brass
BS 2872 Cz 122
6 7 8
Bellows assembly gasket
Stainless steel reinforced exfoliated graphite
Hex. bolt (M8 x 25 mm)
Steel zinc plated
BS 3692 Gr. 8.8
Body
SG iron
DIN 1693 GGG 40.3
10
Pushrod
Stainless steel
ASTM A276 316L
11
Valve seat
Stainless steel
BS 970 431 S29
12 13 14 15 16
Valve seat gasket
Stainless steel
BS 1449 316 S11
Valve
Stainless steel
AISI 420
Valve return spring
Stainless steel
BS 20056 316 S42
Strainer screen
Stainless steel
BS 1449 316 SH
Blanking plug
Stainless steel
BS 970 431 S29
17
Compression fitting
Brass
18 19 20
Spring range ID disc
Polypropylene
Bulkhead plate
Stainless steel
316L
Tamper-proof pin
Mild steel copper plated
TI-P045-14 CTLS Issue 8
Page 3 of 6
BRV2S and BRV2B SG Iron Pressure Reducing Valve
Powered by FlippingBook