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2/2 Way Direct Acting Coaxial Valves

General Specifications

Function
pressure balanced 2/2 way direct acting coaxial valves, NC and NO versions
Media
gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive
Body Materials
aluminium, brass, galvanized steel, nickel plated brass, nickel plated steel, without non-ferrous metals, stainless steel
The materials refer to parts in contact with the media.
Seal Materials
NBR, PTFE, FPM, CR, EPDM, special seal materials
Certificates
PTB (Ex), TÜV, DVGW
Options
special threads, special flanges, function NO, damping, limit switches, manual override, approvals, mounting, special voltage, plug M 12 x 1, terminal box
Remark
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.

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Valve Types

MK 10 240/600 psi

MK 10

Ports
MK threads NPT 1/4 - NPT 3/4
Function
NC
Pressure Range
0-240 / 0-600 psi
cv Value
2.9 GPM
Media
gaseous, liquid, contaminated
Flow Direction
A ⇒ B as marked
Switching Cycles
200 1/min
Switching Time [ms]
opening 25 closing 25
Media Temperature [°F]
DC: 14 to 212
AC: 14 to 212
Ambient Temp. [°F]
DC: 14 to 176
AC: 14 to 176
Weight [kg]
MK 1,5
Nominal Voltage
UN 24 V DC, UN 230 V 40-60 Hz AC
Actuation
DC direct-current magnet
AC direct-current magnet with integrated rectifier
Protection
IP65
Energized Duty Rating
ED 100%
Connection
plug acc. DIN EN 175301-803 form A 4 positions x 90°, wire diameter 6-8 mm, M12x1 connector acc. DESINA / VDMA

MK 10 240/600 psi Data Sheet

General Operating Instructions

MK 10 Drawing

Circuit Symbols

MK 10 960/1500 psi

MK 10

Ports
MK threads NPT 1/4 - NPT 3/4
Function
NC
Pressure Range
0-960 psi / 0-1500 psi
cv Value
0-960 psi: 2,7 GPM
0-1500 psi: 1,9 GPM
Media
gaseous, liquid, contaminated
Flow Direction
A ⇒ B as marked
Switching Cycles
200 1/min
Switching Time [ms]
opening 135 closing 20
Media Temperature [°F]
DC: 14 to 212
AC: 14 to 212
Ambient Temp. [°F]
DC: 14 to 176
AC: 14 to 176
Weight [kg]
MK 1,5
Nominal Voltage
UN 24 V DC, UN 230 V 40-60 Hz AC
Actuation
DC direct-current magnet
AC direct-current magnet with integrated rectifier
Protection
IP65
Energized Duty Rating
ED 100%
Connection
plug acc. DIN EN 175301-803 form A 4 positions x 90°, wire diameter 6-8 mm, M12x1 connector acc. DESINA / VDMA

MK 10 960/1500 psi Data Sheet

General Operating Instructions

MK 10 Drawing

Circuit Symbols

MK / FK 15

MK / FK 15

Ports
MK threads NPT 3/8 - NPT 3/4
FK flanges ANSI 150 / 600 / 1500
Function
NC
Pressure Range
0-240 / 0-600 / 0-960 / 0-1500 psi
cv Value
5.5 GPM
Media
gaseous, liquid, highly viscous, gelatinous, contaminated
Flow Direction
A ⇒ B as marked
Switching Cycles
200 1/min
Switching Time [ms]
opening 80 closing 80
Media Temperature [°F]
DC: -4 to 212
AC: -4 to 212
Ambient Temp. [°F]
DC: -4 to 176
AC: -4 to 176
Weight [kg]
MK 3,8 FK 5,0
Nominal Voltage
UN 24 V DC, UN 230 V 40-60 Hz AC
Actuation
DC direct-current magnet
AC direct-current magnet with integrated rectifier
Protection
IP65
Energized Duty Rating
ED 100%
Connection
plug acc. DIN EN 175301-803 form A 4 positions x 90°, wire diameter 6-8 mm, M12x1 connector acc. DESINA / VDMA

MK / FK 15 Data Sheet

General Operating Instructions

MK 15 Drawing

FK 15 Drawing

Circuit Symbols

MK / FK 20

MK / FK 20

Ports
MK threads NPT 3/4 - NPT 11/4
FK flanges ANSI 150 / 600 / 1500
Function
NC
Pressure Range
0-240 / 0-600 / 0-960 / 0-1500 psi
cv Value
8.6 GPM
Media
gaseous, liquid, highly viscous, gelatinous, contaminated
Flow Direction
A ⇒ B as marked
Switching Cycles
150 1/min
Switching Time [ms]
opening 110 closing 110
Media Temperature [°F]
DC: -4 to 212
AC: -4 to 212
Ambient Temp. [°F]
DC: -4 to 176
AC: -4 to 176
Weight [kg]
MK 5,5 FK 7,5
Nominal Voltage
UN 24 V DC, UN 230 V 40-60 Hz AC
Actuation
DC direct-current magnet
AC direct-current magnet with integrated rectifier
Protection
IP65
Energized Duty Rating
ED 100%
Connection
plug acc. DIN EN 175301-803 form A 4 positions x 90°, wire diameter 6-8 mm, M12x1 connector acc. DESINA / VDMA

MK / FK 20 Data Sheet

General Operating Instructions

MK 20 Drawing

FK 20 Drawing

Circuit Symbols

MK / FK 25

MK / FK 25

Ports
MK threads NPT 1 - NPT 11/2
FK flanges ANSI 150 / 600 / 1500
Function
NC
Pressure Range
0-240 / 0-600 / 0-960 / 0-1500 psi
cv Value
12.9 GPM
Media
gaseous, liquid, highly viscous, gelatinous, contaminated
Flow Direction
A ⇒ B as marked
Switching Cycles
130 1/min
Switching Time [ms]
opening 130 closing 130
Media Temperature [°F]
DC: -4 to 212
AC: -4 to 212
Ambient Temp. [°F]
DC: -4 to 176
AC: -4 to 176
Weight [kg]
MK 8,0 FK 10,5
Nominal Voltage
UN 24 V DC, UN 230 V 40-60 Hz AC
Actuation
DC direct-current magnet
AC direct-current magnet with integrated rectifier
Protection
IP65
Energized Duty Rating
ED 100%
Connection
plug acc. DIN EN 175301-803 form A 4 positions x 90°, wire diameter 6-8 mm, M12x1 connector acc. DESINA / VDMA

MK / FK 25 Data Sheet

General Operating Instructions

MK 25 Drawing

FK 25 Drawing

Circuit Symbols

MK / FK 32

MK / FK 32

Ports
MK threads NPT 11/4 - NPT 11/2
FK flanges ANSI 150 / 600 / 1500
Function
NC
Pressure Range
0-240 / 0-600 / 0-960 / 0-1500 psi
cv Value
16.3 GPM
Media
gaseous, liquid, highly viscous, gelatinous, contaminated
Flow Direction
A ⇒ B as marked
Switching Cycles
120 1/min
Switching Time [ms]
opening 440 closing 250
Media Temperature [°F]
DC: -4 to 212
AC: -4 to 212
Ambient Temp. [°F]
DC: -4 to 176
AC: -4 to 176
Weight [kg]
MK 13,5 FK 17,5
Nominal Voltage
UN 24 V DC, UN 230 V 40-60 Hz AC
Actuation
DC direct-current magnet
AC direct-current magnet with integrated rectifier
Protection
IP65
Energized Duty Rating
ED 100%
Connection
plug acc. DIN EN 175301-803 , form A, 4 positions x 90° / , wire diameter 6-8 mm

MK / FK 32 Data Sheet

General Operating Instructions

MK 32 Drawing

FK 32 Drawing

Circuit Symbols

MK / FK 40

MK / FK 40

Ports
MK threads NPT 11/2 - NPT 2
FK flanges ANSI 150 / 600 / 1500
Function
NC
Pressure Range
0-240 / 0-600 / 0-960 psi
cv Value
21.3 GPM
Media
gaseous, liquid, highly viscous, gelatinous, contaminated
Flow Direction
A ⇒ B as marked
Switching Cycles
90 1/min
Switching Time [ms]
opening 520 closing 150
Media Temperature [°F]
DC: -4 to 212
AC: -4 to 212
Ambient Temp. [°F]
DC: -4 to 176
AC: -4 to 176
Weight [kg]
MK 14,0 FK 18,0
Nominal Voltage
UN 24 V DC, UN 230 V 40-60 Hz AC
Actuation
DC direct-current magnet
AC direct-current magnet with integrated rectifier
Protection
IP65
Energized Duty Rating
ED 100%
Connection
plug acc. DIN EN 175301-803 , form A, 4 positions x 90° / , wire diameter 6-8 mm

MK / FK 40 Data Sheet

General Operating Instructions

MK 40 Drawing

FK 40 Drawing

Circuit Symbols

MK / FK 50

MK / FK 50

Ports
MK threads NPT 2
FK flanges ANSI 150
Function
NC
Pressure Range
0-240 psi
cv Value
32.6 GPM
Media
gaseous, liquid, highly viscous, gelatinous, contaminated
Flow Direction
A ⇒ B as marked
Switching Cycles
40 1/min
Switching Time [ms]
opening 400 closing 400
Media Temperature [°F]
DC: -4 to 176
AC: -4 to 176
Ambient Temp. [°F]
DC: -4 to 176
AC: -4 to 176
Weight [kg]
MK 25,5 FK 31,0
Nominal Voltage
UN 24 V DC, UN 230 V 40-60 Hz AC
Actuation
DC direct-current magnet
AC direct-current magnet with integrated rectifier
Protection
IP65
Energized Duty Rating
ED 100%
Connection
plug acc. DIN EN 175301-803 , form A, 4 positions x 90° / , wire diameter 6-8 mm

MK / FK 50 Data Sheet

General Operating Instructions

MK 50 Drawing

FK 50 Drawing

Circuit Symbols

FK 65

FK 65

Ports
FK flanges ANSI 150
Function
NC
Pressure Range
0-240 psi
cv Value
52.0 GPM
Media
gaseous, liquid, highly viscous, gelatinous, contaminated
Flow Direction
A ⇒ B as marked
Switching Cycles
20 1/min
Switching Time [ms]
opening 600 closing 800
Media Temperature [°F]
DC: -4 to 176
AC: -4 to 176
Ambient Temp. [°F]
DC: -4 to 176
AC: -4 to 176
Weight [kg]
FK 35,0
Nominal Voltage
UN 24 V DC, UN 230 V 40-60 Hz AC
Actuation
DC direct-current magnet
AC direct-current magnet with integrated rectifier
Protection
IP65
Energized Duty Rating
ED 100%
Connection
plug acc. DIN EN 175301-803 , form A, 4 positions x 90° / , wire diameter 6-8 mm

FK 65 Data Sheet

General Operating Instructions

FK 65 Drawing

Circuit Symbols

FK 80

FK 80

Ports
FK flanges ANSI 150
Function
NC
Pressure Range
0-240 psi
cv Value
80.9 GPM
Media
gaseous, liquid, highly viscous, gelatinous, contaminated
Flow Direction
A ⇒ B as marked
Switching Cycles
20 1/min
Switching Time [ms]
opening 600 closing 800
Media Temperature [°F]
DC: -4 to 176
AC: -4 to 176
Ambient Temp. [°F]
DC: -4 to 176
AC: -4 to 176
Weight [kg]
FK 38,0
Nominal Voltage
UN 24 V DC, UN 230 V 40-60 Hz AC
Actuation
DC direct-current magnet
AC direct-current magnet with integrated rectifier
Protection
IP65
Energized Duty Rating
ED 100%
Connection
plug acc. DIN EN 175301-803 , form A, 4 positions x 90° / , wire diameter 6-8 mm

FK 80 Data Sheet

General Operating Instructions

FK 80 Drawing

Circuit Symbols