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VSH PowerPress double check valve (2 x press)

VSH PowerPress double check valve (2 x press)


The VSH PowerPress® double check valve is a part of the VSH PowerPress® system. By using this system installation times are reduced significantly and a clean working environment is assured. The range consists of DW-profile press fittings and valves in sizes ½" up to and including 2".

  • EN13959:2004 Type ED
  • spring assisted closure
  • works in all orientations
  • outstanding corrosion resistance due to ZnNi coating
  • clear identification of materials and dimensions
  • Visu-Control-ring and Leak Before Pressed-function


heating cooling


building installations industry
item number size weight dimensions packaging gtin
PWR9440301 1/2 (DN15) 0.31 kg 32x153x32 mm bag (1 pce) 05022050631916
PWR9440310 3/4 (DN20) 0.46 kg 38x171x38 mm bag (1 pce) 05022050631947
PWR9440321 1 (DN25) 0.76 kg 45x194x45 mm bag (1 pce) 05022050631978
item number size d1 l1 z1 DN1 d2 l2 z2 DN2 H V U a
PWR9440301 1/2 (DN15) 21.3 (DN15) 75 47 DN15 21.3 (DN15) 81 53 DN15 17 18 16 90
PWR9440310 3/4 (DN20) 26.9 (DN20) 82 51 DN20 26.9 (DN20) 90 59 DN20 20 21 16 90
PWR9440321 1 (DN25) 33.7 (DN25) 97 61 DN25 33.7 (DN25) 99 63 DN25 24 24 16 90
see above for the diagram related to these dimensions
color black
materials brass (CW625N (DZR))
finishing zinc-nickel plated
manufacturer 5022050000002
shape straight (0º)
connection type press (DW)
pressure rating (PN) PN 10
sealing EPDM
product group valves (check valve)
ETIM class EC011469 Check valve
HS code 84813099
country of origin United Kingdom
brand VSH
series PowerPress
type PP4426
UNSPS 40141622
label value
ETIM class EC011469 Check valve
Housing material Brass
Connections Press sleeve
Article compression class PN 10
Flange compression class PN 10
Sealing Ethylene-propylene diene monomer rubber (EPDM)
Angle of non-return valve
Medium temperature (continuous) 0°C - 65°C
Medium temperature (continuous) (imperial) 32°F - 149°F
Max. operating pressure at 20 °C 10bar
Max. operating pressure at 20 °C (imperial) 145.04psi
FM quality mark No
UL quality mark No
ULC quality mark No
LPCB quality mark No
Suitable for drinkable water No
Suitable for central heating water Yes
SVGW certified No
VdS quality mark No
DVGW quality mark for gas No
DVGW quality mark for water No
KIWA certified No


item number description
PWR9401744 VSH PowerPress insertion depth marker 1/2"-2"