3
Watts Water Technologies, Inc.
Patented diaphragm pressure reducing valve with compensated seat, outlet pressure
adjustable with a knob and external graduated scale for easy reading of set pressure.
Complete with unions. Body of CW617N sand-blasted stamped brass.
Stainless steel filter cartridge. Pressure gauge connection on both sides: G1/4”.
Maximum inlet pressure: 25 bar. Adjustable downstream pressure: 1,5 and 6 bar. Max.
operating temperature: 30°C. Can be used for water, air and neutral gases.
Noise < 20 dB - Class 1 according with
DIN 52218
Compliant with
DVGW.
Metallic materials in accordance with
UBA LIST
.
DRVN
Type
Part no.
DN
Weight (Kg)
DRVN
0502515
1/2” MM
0,6
DRVN
0502520
3/4” MM
0,9
DRVN
0502525
1” MM
1,3
DRVN
0502532
1.1/4” MM
2,1
DRVN
0502540
1.1/2” MM
3,4
DRVN
0502550
2” MM
4,2
Like DRVN but with
M3A-ABS50 Series
pressure gauge (Scale 0÷6 bar).
DRVMN
Type
Part no.
DN
Weight (Kg)
DRVMN
0502615
1/2” MM
0,7
DRVMN
0502620
3/4” MM
1,0
DRVMN
0502625
1” MM
1,4
DRVMN
0502632
1.1/4” MM
2,2
DRVMN
0502640
1.1/2” MM
3,5
DRVMN
0502650
2” MM
4,3
Technical features: DRV and DRVN
Maximum upstream pressure
25 bar
Downstream pressure (outlet)
1,5÷6 bar
Connections
M/M tailpiece
Downstream pressure adjustment (screw 4)
Clockwise rotation: increases pressure
Anticlockwise rotation: decreases pressure
Downstream pressure gauge (DRV-M only)
Pressure gauge Ø50 scale 0÷6 bar
Maximum operating temperature DRVN
30°C
Maximum operating temperature DRV
60°C (30°C DVGW)
Design features: DRV and DRVN
Body
Sand blasted CW617N
Cap
Sand-blasted/(DRV) CW617N,
Reinforced polymer (DRVN)
Plug
Brass CW617N
Inlet/outlet connections
Brass CW617N
Diaphragm
NBR reinforced with nylon fabric compliant with KTW and
W270 - KTW
Seal and O-Ring
NBR - KTW - W270
Spring
Galvanized steel
Adjusting screw and lock nut
Brass CW617N
Filters
Stainless steel
