The valve controls a mixing water temperature with a rotating
plug. The plug adjusts with two control curves the water flow
of two inputs. The required flow water temperature is reached
by adding a proportion of return water to the boiler hot water.
For optimum control performance, the DR has special control
characteristics.
MOUNTING
C°
C°
0
RL
LR
0
EN0B-0607GE51 R0208
2
DIMENSIONS WITH DRxxGMLA (MM)
type DN a c SW h i net weight
DR15GMLA 15 110 179 41 55 R ½ in. 2.2 kg
DR20GMLA 20 110 179 46 55 R ¾ in. 2.3 kg
DR25GMLA 25 115 179 50 58 R 1 in. 2.4 kg
DR32GMLA 32 140 188 60 70 R 1 ¼ in. 4.1 kg
DR40GMLA 40 150 188 65 75 R 1 ½ in. 4.3 kg
h
DRxxGMLA / DRxxxGFLA – PRODUCT DATA
a
i
c
DIMENSIONS WITH DRxxxGFLA (MM)
type DN a b d e h net weight
DR20GFLA 20 140 15 65 90 70 3.5 kg
DR25GFLA 25 150 15 75 100 75 4.0 kg
DR32GFLA 32 160 17 90 120 80 6.6 kg
DR40GFLA 40 170 16 100 130 85 7.1 kg
DR50GFLA 50 190 16 110 140 95 9.8 kg
DR65GFLA 65 210 16 130 160 105 12.3 kg
DR80GFLA 80 250 18 150 190 125 21.4 kg
DR100GFLA 100 270 18 170 210 135 26.5 kg
DR125GFLA 125 310 20 200 240 155 42.0 kg
DR150GFLA 150 330 20 225 265 165 49.0 kg
DR200GFLA/ DR200GFLA1 200 390 22 280 320 195 78.0 kg
h
b
d
a
EN0B-0607GE51 R0208
e
f
g
3
c
DRxxGMLA / DRxxxGFLA – PRODUCT DATA
Manufactured for and on behalf of the Environmental and Combustion Controls Division of Honeywell Technologies Sàrl, Ecublens, Route du Bois 37, Switzerland by its Authorized Representative: