Danfoss SV 4 Float Valve Installation Guide

June 4, 2024
Danfoss

Danfoss logo Installation Guide
Float valve
Type SV 4, 5, 6
ENGINEERING

TOMORROW
Danfoss SV 4 Float Valve 027R9508
Refrigerant,
HCFC, HFC, R717
Drehmoment,,
Max. working pressure,
PB = 28 bar (Pe) (MWP= 400 psig),
Max. test pressure,p’ = max 32 bar (Pe) (465 psig)
Fig. 1 + Fig. 2
Note: Pos.1 and 2 when connecting

Setting:

  1. Turn the spindle (pos. 3) counter-clockwise until the valve is closed (audible)
  2. Turn the spindle (pos. 3) clockwise until the valve opens (audible and perceptible).
    Then turn once more ½ rotation and the floais set. The setting can be marked on the spindle

Cleaning of strainer:

  1. Turn the spindle (pos. 3) counter-clockwise until the valve is closed (audible)
  2. Close liquid inlet
  3. Cover (pos. 4) can be dismounted and the strainer (pos. 5) can be cleaned
  4. Change of orifice and Teflon valve plate:
  5. Follow the above-mentioned points 1-3
  6. Spring (pos. 6) and orifice (pos. 7) can be removed
  7. If the change of the Teflon valve plate(pos. 8) is required, please contact Danfoss

**Manual opening:

**

The spindle (pos. 3) is turned clockwise as far as possible and the valve is forced-opened.
Manual closing: The spindle (pos.3) is turned counter-clockwise until the valve is closed (audible).

Danfoss SV 4 Float Valve - fig| Danfoss SV 4
Float Valve - fig 3
---|---
Danfoss SV 4 Float Valve - fig 1| Danfoss SV 4
Float Valve - fig 4Danfoss SV 4 Float Valve - fig 4

Spare parts:

– Seal kit: 027B2070
– Other spare parts, see Spare Parts catalog

Info for UK customers only:Danfoss Ltd. Oxford Road, UB9 4LH Denham, UK
© Danfoss | climate solutions | 2021.07
2 | AN14948641678901-000701

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