Product Overview

VDBJB122 © Danfoss 05/09
Data sheet VMT
2-Way Water Valve
2
Maximum test pressure 232 psi (16 bar)
Maximum working pressure 145 psi (10 bar)
Maximum flow temperature 250°F (120°C)
Maximum differential pressure
(for quiet operation)
VMT 15/8 & 20/8: 12 psi (0.8 bar)
VMT 15/2, 20/2 & 25/2: 7.25 psi (0.5 bar)
Allowable fluid Water (maximum 30% glycol) in a closed loop hydronic
system.
Spare Parts
Code No. Type Size
013U0496
Union Nut (2 required)
1/2”
013U0499 3/4”
013U0501 1”
013U0476
Male NPT Tailpiece (2 required)
1/2”
013U0479 3/4”
013U0489 1”
013U8608
Female Solder Tailpiece (2 required)
1/2”
013U8609 3/4”
013U0070 Packing Gland
Specifications:
Ordering
Information (Cont.):
20
Flow
US
GPM
VMT
25/2
20/2
25/8
15/2 - 20/8
15/8
25/2
15/2
20/2
20/8
25/8
15/8
10
8
6
5
4
3
2
1
0.8
0.6
0.5
0.4
0.3
0.2
0.1
0.50.7
0.7
12345710
2345 7102030
Feet WG
Solid lines: Fully open valves
PSI
Pressure drop
0.30.2
0.510.30.2
0.1
VMT Sizing Chart
Dashed lines: Flow at 4°F P-deviation with RAVK