Construction Of The Control Valve; Media - Burkert 2702 Manuel D'utilisation

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construction of the control valve

2/2-way piston actuated valve with control plug and angle seat body
Control function A (closed by spring force)
Control function B (open in rest position)
Actuator material:
Body material:
Seal materials:

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Liquid and gaseous media that do not attack the body and seal materials.
control medium:
note The permitted operating pressure and temperature of the medium are listed on the rating
plate and in the following tables. With regard to the permissible seat leakage, the values
given in DIN EN 1349 are complied with,whereby for the steel/steel seal, leakage class IV
and for the PTFE/steel leakage class VI apply.
pilot pressure
Actuator size 80 (F)
Actuator size 100 (G)
fluid pressure
Actuator size F
Actuator size F
Actuator size F
Actuator size F
Actuator size G
Actuator size G
10 - 2702
Normally close
Normally open
PA (polyamide) or PPS
stainless steel 316L
steel/steel (1.4571) or PTFE/steel
instrument air, class 3 according Din iso 8573-1
5.5 - 10 bar
5.5 - 7 bar
DN 13 / DN 15 0 - 16 bar
DN 20 0 - 16 bar
DN 25 0 - 16 bar
DN 32 0 - 15 bar
DN 40 0 - 12,5 bar
DN 50 0 - 7,2 bar