TÜV Certified Valves

General Specifications

Function: valves with TÜV-Certificate
Media: combustible gases according NPT 260, gaseous, liquid, gelatinous, highly viscous, pasty, contaminated, aggressive, liquid fuels
Body Materials: brass, galvanized steel, nickel plated brass, nickel plated steel, without non-ferrous metals, stainless steel 1.4101
The materials refer to parts in contact with the media.
Seal Materials: NBR, PTFE, FPM, CR, EPDM, special seal materials
Options: special threads, special flanges, function NO, damping, limit switches (NAMUR), manual override, approvals, special voltage, circuit amplifier, mounting
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.

MK 10 TÜV

Ports: MK threads NPT ¹/₄ - NPT ³/₄
Function: NC
Pressure Range: 0-600 psi
c_v Value: 2.9 GPM
Media: liquid fuels
Flow Direction: A ⇒ B as marked
Switching Cycles: 200 ¹/_min
Switching Time [ms]: opening 25 closing 25
Media Temperature [°F]: DC: 14 to 284
AC: 14 to 284
Ambient Temp. [°F]: DC: 14 to 140
AC: 14 to 140
Weight [kg]: MK 1,5
Nominal Voltage: U_N 24 V DC, U_N 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 10 TÜV Data Sheet

General Operating Instructions

Certificate

MK 10 TÜV Drawing

Circuit Symbols

MK / FK 15 TÜV

Ports: MK threads NPT ³/₈ - NPT ³/₄
FK flanges ANSI 600
Function: NC
Pressure Range: 0-600 psi
c_v Value: 5.5 GPM
Media: liquid fuels
Flow Direction: A ⇒ B as marked
Switching Cycles: 200 ¹/_min
Switching Time [ms]: opening 80 closing 80
Media Temperature [°F]: DC: 14 to 284
AC: 14 to 284
Ambient Temp. [°F]: DC: 14 to 140
AC: 14 to 140
Weight [kg]: MK 3,8 FK 5,0
Nominal Voltage: U_N 24 V DC, U_N 230 V 40-60 Hz AC
Actuation: DC direct-current magnet, AC direct-current magnet, with separate rectifier
Protection: IP65
Energized Duty Rating: ED 100%
Connection: M16x1,5 terminal box

MK / FK 15 TÜV Data Sheet

General Operating Instructions

MK / FK 20 TÜV

Ports: MK threads NPT ³/₄ - NPT 1¹/₄
FK flanges ANSI 600
Function: NC
Pressure Range: 0-600 psi
c_v Value: 8.6 GPM
Media: liquid fuels
Flow Direction: A ⇒ B as marked
Switching Cycles: 150 ¹/_min
Switching Time [ms]: opening 110 closing 110
Media Temperature [°F]: DC: 14 to 284
AC: 14 to 284
Ambient Temp. [°F]: DC: 14 to 140
AC: 14 to 140
Weight [kg]: MK 5,5 FK 7,5
Nominal Voltage: U_N 24 V DC, U_N 230 V 40-60 Hz AC
Actuation: DC direct-current magnet, AC direct-current magnet, with separate rectifier
Protection: IP65
Energized Duty Rating: ED 100%
Connection: M16x1,5 terminal box

MK / FK 20 TÜV Data Sheet

General Operating Instructions

FK 25 TÜV

Ports: FK flanges ANSI 600
Function: NC
Pressure Range: 0-600 psi
c_v Value: 12.9 GPM
Media: liquid fuels
Flow Direction: A ⇒ B as marked
Switching Cycles: 130 ¹/_min
Switching Time [ms]: opening 130 closing 130
Media Temperature [°F]: DC: 14 to 284
AC: 14 to 284
Ambient Temp. [°F]: DC: 14 to 140
AC: 14 to 140
Weight [kg]: FK 10,5
Nominal Voltage: U_N 24 V DC, U_N 230 V 40-60 Hz AC
Actuation: DC direct-current magnet, AC direct-current magnet, with separate rectifier
Protection: IP65
Energized Duty Rating: ED 100%
Connection: M16x1,5 terminal box

FK 25 TÜV Data Sheet

General Operating Instructions

Certificate

FK 25 TÜV Drawing

Circuit Symbols

MK / FK 15 DR TÜV

Ports: MK threads NPT ³/₈ - NPT ³/₄
FK flanges ANSI 600
Function: NC
Pressure Range: 0-600 psi
A ⇒ B max. 600 psi
B ⇒ A max. 240 psi
A ⇒ C max. 600 psi
C ⇒ A max. 600 psi
c_v Value: 5.0 GPM
Media: liquid fuels
Flow Direction: see pressure range
Switching Cycles: 200 ¹/_min
Switching Time [ms]: opening 80 closing 80
Media Temperature [°F]: DC: 14 to 284
AC: 14 to 284
Ambient Temp. [°F]: DC: 14 to 140
AC: 14 to 140
Weight [kg]: MK 4,3 FK 5,9
Nominal Voltage: U_N 24 V DC, U_N 230 V 40-60 Hz AC
Actuation: DC direct-current magnet, AC direct-current magnet, with separate rectifier
Protection: IP65
Energized Duty Rating: ED 100%
Connection: M16x1,5 terminal box

MK / FK 15 DR TÜV Data Sheet

General Operating Instructions

MK / FK 20 DR TÜV

Ports: MK threads NPT ³/₄ - NPT 1¹/₄
FK flanges ANSI 600
Function: NC
Pressure Range: 0-600 psi
A ⇒ B max. 600 psi
B ⇒ A max. 240 psi
A ⇒ C max. 600 psi
C ⇒ A max. 600 psi
c_v Value: 7.7 GPM
Media: liquid fuels
Flow Direction: see pressure range
Switching Cycles: 150 ¹/_min
Switching Time [ms]: opening 110 closing 110
Media Temperature [°F]: DC: 14 to 284
AC: 14 to 284
Ambient Temp. [°F]: DC: 14 to 140
AC: 14 to 140
Weight [kg]: MK 6,0 FK 8,4
Nominal Voltage: U_N 24 V DC, U_N 230 V 40-60 Hz AC
Actuation: DC direct-current magnet, AC direct-current magnet, with separate rectifier
Protection: IP65
Energized Duty Rating: ED 100%
Connection: M16x1,5 terminal box

MK / FK 20 DR TÜV Data Sheet

General Operating Instructions

FK 25 DR TÜV

Ports: FK flanges ANSI 600
Function: NC
Pressure Range: 0-600 psi
A ⇒ B max. 600 psi
B ⇒ A max. 240 psi
A ⇒ C max. 600 psi
C ⇒ A max. 600 psi
c_v Value: 12.9 GPM
Media: liquid fuels
Flow Direction: see pressure range
Switching Cycles: 130 ¹/_min
Switching Time [ms]: opening 130 closing 130
Media Temperature [°F]: DC: 14 to 284
AC: 14 to 284
Ambient Temp. [°F]: DC: 14 to 140
AC: 14 to 140
Weight [kg]: FK 12,0
Nominal Voltage: U_N 24 V DC, U_N 230 V 40-60 Hz AC
Actuation: DC direct-current magnet, AC direct-current magnet, with separate rectifier
Protection: IP65
Energized Duty Rating: ED 100%
Connection: M16x1,5 terminal box

FK 25 DR TÜV Data Sheet

General Operating Instructions

Certificate

FK 25 DR TÜV Drawing

Circuit Symbols

MK / FK 15 TÜV HT

Ports: MK threads NPT ³/₈ - NPT ³/₄
FK flanges ANSI 600
Function: NC
Pressure Range: 0-600 psi
c_v Value: 5.5 GPM
Media: liquid fuels - fuel oil EL, M, S and oils, not acc. to DIN 51603, e.g. animal fat
Flow Direction: A ⇒ B as marked
Switching Cycles: 200 ¹/_min
Switching Time [ms]: opening 80 closing 80
Media Temperature [°F]: DC: 14 to 320
AC: 14 to 320
Ambient Temp. [°F]: DC: 14 to 140
AC: 14 to 140
Weight [kg]: MK 3,8 FK 5,0
Nominal Voltage: U_N 24 V DC, U_N 230 V 40-60 Hz AC
Actuation: DC direct-current magnet, AC direct-current magnet, with separate rectifier
Protection: IP65
Energized Duty Rating: ED 100%
Connection: M16x1,5 terminal box

MK / FK 15 TÜV HT Data Sheet

General Operating Instructions

Certificate

Circuit Symbols

MK / FK 25 TÜV HT

Ports: MK threads NPT 1 - NPT 1¹/₂
FK flanges ANSI 600
Function: NC
Pressure Range: 0-600 psi
c_v Value: 12.9 GPM
Media: liquid fuels - fuel oil EL, M, S and oils, not acc. to DIN 51603, e.g. animal fat
Flow Direction: A ⇒ B as marked
Switching Cycles: 130 ¹/_min
Switching Time [ms]: opening 130 closing 130
Media Temperature [°F]: DC: 14 to 320
AC: 14 to 320
Ambient Temp. [°F]: DC: 14 to 140
AC: 14 to 140
Weight [kg]: MK 8,0 FK 10,5
Nominal Voltage: U_N 24 V DC, U_N 230 V 40-60 Hz AC
Actuation: DC direct-current magnet, AC direct-current magnet, with separate rectifier
Protection: IP65
Energized Duty Rating: ED 100%
Connection: M16x1,5 terminal box

MK / FK 25 TÜV HT Data Sheet

General Operating Instructions

Certificate

Circuit Symbols

General Specifications

Valve Types

MK 10 TÜV

MK / FK 15 TÜV

MK / FK 20 TÜV

FK 25 TÜV

MK / FK 15 DR TÜV

MK / FK 20 DR TÜV

FK 25 DR TÜV

MK / FK 15 TÜV HT

MK / FK 25 TÜV HT

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TÜV Certified Valves

General Specifications

Valve Types

MK 10 TÜV

MK / FK 15 TÜV

MK / FK 20 TÜV

FK 25 TÜV

MK / FK 15 DR TÜV

MK / FK 20 DR TÜV

FK 25 DR TÜV

MK / FK 15 TÜV HT

MK / FK 25 TÜV HT

Featured Products

co-ax green line®

save up to 80% of energy

Cryaxx®

cryogenic valves

case histories

co-ax valves inc. is part of the müller co-ax group