müller co-ax ag
Certificated Valves

Function

valves with DVGW-certificate, explosion-proof and with TÜV-certificate

Media

combustible gases according G 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

Certificates

PTB (Ex), TÜV, DVGW

Options

special threads, special flanges, function NO, damping, limit switches (NAMUR), manual override, approvals, special voltage, circuit amplifier, mounting

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.

SIL3 Safety Integrity Level DIN EN 61508

co-ax type   orifice Kv value
MK / FK 15 DVGW MK / FK 15 DVGW 15 mm 4,8 m³/h
MK / FK 20 DVGW MK / FK 20 DVGW 20 mm 7,4 m³/h
MK / FK 25 DVGW MK / FK 25 DVGW 25 mm 11,2 m³/h
KBS 15 Ex KBS 15 Ex 1,5 - 3 mm 0,066 - 0,312 m³/h
KB 15 Ex KB 15 Ex 2 - 8 mm 0,102 - 1,44 m³/h
MK 10 Ex MK 10 Ex 10 mm 2,5 m³/h
MK / FK 15 Ex MK / FK 15 Ex 15 mm 4,8 m³/h
MK / FK 20 Ex MK / FK 20 Ex 20 mm 7,4 m³/h
MK / FK 25 Ex MK / FK 25 Ex 25 mm 11,2 m³/h
MK / FK 32 Ex MK / FK 32 Ex 32 mm 14,1 m³/h
MK / FK 40 Ex MK / FK 40 Ex 40 mm 18,4 m³/h
MK / FK 50 Ex MK / FK 50 Ex 50 mm 28 m³/h
MK 10 DR Ex MK 10 DR Ex 10 mm 2,6 m³/h
MK / FK 15 DR Ex MK / FK 15 DR Ex 15 mm 4,3 m³/h
MK / FK 20 DR Ex MK / FK 20 DR Ex 20 mm 6,7 m³/h
MK / FK 25 DR Ex MK / FK 25 DR Ex 25 mm 11,2 m³/h
MK / FK 32 DR Ex MK / FK 32 DR Ex 32 mm 14,1 m³/h
MK / FK 40 DR Ex MK / FK 40 DR Ex 40 mm 18,4 m³/h
MK / FK 50 DR Ex MK / FK 50 DR Ex 50 mm 28,2 m³/h
MK 10 TÜV MK 10 TÜV 10 mm 2,5 m³/h
MK / FK 15 TÜV MK / FK 15 TÜV 15 mm 4,8 m³/h
MK / FK 20 TÜV MK / FK 20 TÜV 20 mm 7,4 m³/h
FK 25 TÜV FK 25 TÜV 25 mm 11,2 m³/h
MK / FK 15 DR TÜV MK / FK 15 DR TÜV 15 mm 4,3 m³/h
MK / FK 20 DR TÜV MK / FK 20 DR TÜV 20 mm 6,7 m³/h
FK 25 DR TÜV FK 25 DR TÜV 25 mm 11,2 m³/h
MK / FK 15 TÜV HT MK / FK 15 TÜV HT 15 mm 4,8 m³/h
MK / FK 25 TÜV HT MK / FK 25 TÜV HT 25 mm 11,2 m³/h