Page 182 - Bürkert
P. 182
Pilot pressure charts for normally open
Seal material EPDM
Chart 1 – orifice 15-25 Chart 2 – orifice 32-50
DN20 (Ø80) DN15 (Ø63) DN15 (Ø50) DN20 (Ø63) DN25 (Ø80) DN25 (Ø63)
(Actuator size): (Actuator size): DN40 (Ø125) DN32 (Ø100) DN50 (Ø125) DN40 (Ø100) DN50 (Ø100) 2030
Orifice: 10 Orifice:
10
operating pressure [bar] 8 6 4 operating pressure [bar] 8 6 4
0 2 2 0
0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10
pilot pressure [bar] pilot pressure [bar]
Seal material PTFE/EPDM
Chart 3 – orifice 15-25 Chart 4 – orifice 32-50
DN20 (Ø80) DN15 (Ø63) DN15 (Ø50) DN20 (Ø63) DN25 (Ø80) DN25 (Ø63)
(Actuator size): (Actuator size): DN40 (Ø125) DN32 (Ø100) DN40 (Ø100) DN50 (Ø125) DN50 (Ø100)
Orifice: 10
Orifice:
10
operating pressure [bar] 8 6 4 operating pressure [bar] 8 6 4
0 2 2 0
0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10
pilot pressure [bar] pilot pressure [bar]
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