Refurbishment Valve Fellingsbro
Refurbishment Valve Fellingsbro
Refurbishment TRV

Refurbishment Valve Fellingsbro

RFA 470, 490, 530, 550 replace Fellingsbro TKM and M68 c / c35 1- or 2-pipe valves bottom-coupled.
The valves can be regulated with thermostat or handwheel M28x1,5.

Description
The RFA valve has a hidden preset under the stuffing box. Adjustment of 2-pipe system is done with key FN2. Presetting of the flow (1-pipe) between radiator and by-pass is done with FN2.
Unscrew the number of turns specified in the radiator flow table 1-pipe.
The valve is delivered with 1/3 flow to the radiator and 2/3 in the loop.
The valve is adjustable from 1- to 2-pipe. The valve is connected
M22x1.5, M18x1.5, M21x1.5 or M24x1.5 against the pipe system.
The connection to the radiator is G3 / 4 ”.
The return of the valve is closed with a spindle under the lid and the inlet is closed with a thermostat or handwheel.
When switching off the radiator return, the bypass is not closed.

Properties
Max operating temperature 100
Connection dimension M28x1,5
Pressure rating PN10
Material Brass
DocumentCategory
refurbishment valve Fellingsbro Product Image