Back pressure-independent

Hansa overflow valve ÜSV 28 Bar R 1/2'' 2446280050

Order No.: 246.2434
Manufacturer number: 2446280050
Manufacturer: Hansa

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Description

The design works independently of counterpressure so that the refrigerant is returned to the low pressure side of the refrigeration system or is collected in a special container. This prevents refrigerant from being blown out into the atmosphere.

  • Trigger pressures from 10 bar to 45 bar.
  • The ...

The design works independently of counterpressure so that the refrigerant is returned to the low pressure side of the refrigeration system or is collected in a special container. This prevents refrigerant from being blown out into the atmosphere.

  • Trigger pressures from 10 bar to 45 bar.
  • The desired trigger pressure is set and documented in an approval document by DEKRA.
  • The seal of the valve seat is ensured using refrigerant-resistant, permanently elastic seal that is resistant to deformation.

Suitable for all refrigerants (except NH3 and refrigerants containing NH3)

Standards

The HANSA Automotive HSV/HS-KSV is tested according to AD data sheet A2 in accordance with TÜV requirements and is also compliant with European directive 2014/68/EU.

Application areas for the safety valve type ÜSV/HD-ÜSV

Accident prevent regulations of the Workplace Health and Safety Association (DGUV) require that refrigeration systems filled with more than 10 kg of group 1 refrigerant must be fitted with safety equipment to prevent unacceptable pressure increases. This also applies to fluid collectors that can be shut-off on all sides under normal operating conditions.

The ÜSV/HD-ÜSV safety valves from HANSA Automotive meet the requirements for approval according to European directive 2014/68/EU.

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Accessories / Replacement parts

  • Connecting nipple
    angle piece conical WKS G1/2''x1/2''NPTF f. KSV/ÜSV
    Order No.: 314.8843
  • Hansa connection nipple AN R 1/2'' xR 1/2'' 2700509050
    Order No.: 246.2411
  • Hansa connection nipple AN G 1/2" x1/2" NPTF 2700510050
    Order No.: 246.2412
  • Hansa connection nipple AN R 1/2" x7/8" -14 UNF 2700511050
    Order No.: 246.2413
  • Hansa connection nipple AN G 1/2'' x3/8'' NPTF 2700512050
    Order No.: 246.2415
  • Hansa solder adapter LA R 1 1/4"-12 22mm
    Order No.: 246.2436
  • Connection adapter
    Bitzer adapter for pressure relief valve 1-1/4''xG1/2'' IG
    Order No.: 151.7872
  • Bitzer adapter for pressure relief valve 1-1/4''xG1/2'' AG
    Order No.: 151.7873
  • Manometer with drag indicator
    Hansa manometer with drag pointer f. Overpressure safety valve 7/16''
    Order No.: 481.2401
  • Valve
    Hansa shuttle valve WVN w. 2 connection nipple AN R 1/2" 2445001050
    Order No.: 246.2416
  • Washer
    Rotalock seal 1-1/4'' Teflon 8156131
    Order No.: 107.1802
  • Hansa copper sealing ring DR for safety valve 2776830050
    Order No.: 246.2414

Technical data

Dimensions
Height
153 mm
Wrench opening
27 mm
General information
Type
ÜSV 2446280050
Connections
Connection thread outlet
1 1/4" außen
Connection thread inlet
G 1/2"-innen
Pressure
Fixed relieving pressure
28 bar
Adjustment range
10 bis 35 bar
max. operating pressure
35 bar
Weight
Weight net
1,07 kg
Temperature data
Temperature range
-30 bis +120 °C
Technical modifications reserved. Product images may differ from the actual product and are meant for demonstration purposes only. Absolutely no liability can be assumed for possible indication errors and errors in the manufacturers’ information.

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