Control systems Pressure reducing/surplussing valves
4
Materials - DP27E
49
Exploded view of item 43
10
44
45 46 47
4.6 171
48
12 13
14
See DP27 items list on pages 3 to 5 for common components No. Part Material 43 Pilot valve assembly with integral seal 44 Pipe assembly Brass and copper 45 Circlip Stainless steel
1.4116
46
Retainer
Stainless steel
BS 970 431 S 29
47
Variseal
Composite elastomer/stainless steel
Turcon T40/AQISI 302
48
Pilot seat
Stainless steel + PTFE
BS 970 431 S 29
49
Solenoid assembly
10 * 12 * 13 *
Pilot valve plunger
Stainless steel
BS 970 321 S 31
Pilot valve ball
Stainless steel
AISI 420
Pilot valve spring
Stainless steel
BS 2057 302 S 26
14 *
Pilot valve clip
Stainless steel
BS EN 10088-2 1995 1.4310
TI-P470-01 CTLS Issue 13
Page 7 of 16
DP27, DP27E, DP27G, DP27GY, DP27R & DP27Y Pilot Operated Pressure Reducing Valves with SG Iron Bodies
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