Specification

• Refrigerant R717 (NH3), HFC, HCFC.
• Differential Adjustable between 10 to 40 mm.
• Max operating pressure for float housing 19 bar.
• Enclosure for float housing IP 65
• Amplifier / controller is available in IP 65 wall mounting enclosure or DIN 1/4 for panel mounting enclosure.
• Float Chamber and Amplifier are also available in flame proof enclosure.

MLS 39 can be utilised for all common non-flammable refrigerants, including R717, and non-

corrosive gases/liquids, depending on sealing material compatibility. It's not advisable for

flammable hydrocarbons

Temperature range -50C/+65C (-58F/149F)

Pressure range MLS 39 is designed to function at a maximum temperature of 55 bar g (798 psi g)