co-ax valves inc. USA

Certified Valves

MK / FK 50 DR Ex

ports 2 NPT threads
ANSI 150 flanges
function NC / NO
pressure range 0-240 psi
A B max. 240 psi
B A max. 150 psi
A C max. 240 psi
C A max. 240 psi
CV value 32.6 GPM
media gaseous  liquid  highly viscous  gelatinous  contaminated 
flow direction as marked
switching cycles 40 1/min
switching time opening 400 ms
closing 400 ms
media temperature DC -40 °C — +104 °F
AC -40 °C — +104 °F
ambient temperature DC -40 °C — +104 °F
AC -40 °C — +104 °F
weight MK 31.5 kg
FK 38.5 kg
nominal voltage Un 24 V DC +5% / -10%
Un 230 V 40-60 Hz AC +5% / -10%
actuation DC direct-current magnet
AC direct-current magnet with integrated rectifier
insulation rating H 180 °C
protection IP65
energized duty rating ED 100%
connection M 16 x 1,5 terminal box

The valves' technical design is based on media and application requirements. This can lead to deviations from the general specifications shown on the data sheet with regards to the design, sealing materials and characteristics.


electrical connection

electrical connection
metal terminal box ATEX

limit switch

limit switch
M12x1, DC 8,2 V, 0°C to +90°C

limit switch

limit switch
M12x1, DC 8,2 V, -25°C to +78°C

mounting brackets

mounting brackets

Certificated Valves