Control systems Pressure reducing/surplussing valves
4
Materials (continued)
DN15 to DN50
29
4.6 133
26
27 30
23
28
24 25
No.
Part
Material
Securing nuts
Steel
BS 3692 Gr.8
Steel DN15 and DN20
M12 x 50 mm
23
Main diaphragm
DN25 and DN32
M12 x 60 mm
Securing bolts
DN40 and DN50
M12 x 65 mm
DN80
M12 x 80 mm
24
Main diaphragms
Stainless steel
25
Main diaphragm plate
Stainless steel
26
Pushrod
Stainless steel
27
Control pipe assembly
Stainless steel
28 29 30
Plug 1/8 " BSP
Steel
Pressure pipe union
Steel
Lock-nut
Steel
For DN80 parts, see page 6
TI-P004-01 CTLS Issue 8
Page 5 of 12
SDP143 Pilot Operated Pressure Surplussing Valve with Cast Steel Body
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