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Series 3 Pressure Relief Valve

SIZE 1” 1.5” 2” 2.5” 3” 4”
A 30.5 42 45.5 55 59 71
B 185 275 280 305 310 330
C 52 75 79 95 99 127
D 150 210 210 210 210 210
Note: Above dimensions for weld ends.
Add 21 mm for clamp ends.


Size
(ins)

Spring Ratings (psi)
  0-30 0-35 0-40 0-60 0-65 0-80 0-90 0-100 0-150
1.0” DP58             DP59 DP94
1.5”     DP64   DP65     DP62 DP55
2.0”   DP65   DP62       DP55 DP95
2.5”     DP66 DP67       DP66/67 DP96
3.0” DP66     DP69     DP66/69   DP96
4.0” DP69         DP96