Danfoss WVTS 32 Montage

Installation guide
Thermostatic water valves
WVTS
WVTS 40
Fig. 1
Fig. 3
ENGLISH
Thermostatic Water Valves
Technical data (Fig. 1–3)
1. Bulb
2. Stuffing box
3. Bellows element
4. Push rod
5. Regulating nut
6. Top part
6a. Cover
7. Pilot insert
8. Pilot cone
9. Teflon sleeves
10. Insulating disc
10a. Pilot insert seal
11. Pilot insert O-ring
12. Cover
13. O-ring for cover
14. O-ring for pilot channel
15. Servo piston
© Danfoss | DCS (jmn) | 2016.02
Fig. 4
16. Servo piston button screw
17. Drain plug
18. Drain plug gasket
19. Strainer assembly, complete
20. Self-cleaning strainer
21. Pilot nozzle
22. Gasket
23. O-ring
24. Servo spring
* Please state valve size.
** See table Fig. 5.
Assembly
Screws connecting pilot unit with valve
body to be tighten with 8.5 Nm.
Max. test pressure
16 atm.g (pe = 16 bar = 1600 kPa)
Opening differential pressure
*
WVTS 32 - WVTS 40:
Min. 0.5 atm. (0.5 bar = 50 kPa)
*
WVTS 50 - WVTS 100
Fig. 2
Type
WVTS 32
WVTS 40
WVTS 50
WVTS 65
WVTS 80
WVTS 100
Fig. 5
WVTS 50 - WVTS 100:
*
If WVTS is required with a differential
pressure of 1 – 10 atm. (1 – 10 bar;
100 – 1000 kPa), the servo spring (24) is to
** be replaced. See ordering table, Fig. 5.
Permissible temperature of medium
For water: Max. 90 °C
For brine: Min. -25 °C
Max. bulb temperature
57 °C for the range of 0 – 30 °C
90 °C for the range of 25 – 65 °C
125 °C for the range of 50 – 90 °C
Fitting
WVTS is to be fitted in the cooling water
Spring / Fjeder / Feder / Ressort
1 – 10 bar (100 – 1000 kPa)
016D1327
016D0575
016D0576
016D0577
016D0578
016D0579
Max. 4 atm. (4 bar = 400 kPa)
Min. 0.3 atm. (0.3 bar = 30 kPa)
Max. 4 atm. (4 bar = 400 kPa)
DKRCC.PI.DB0.A1.52 | 520H10725 | 1