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RD HJ

Non-return valve, connector
Sealing form 1 + 2
37° external cone 
Connection 1 + 2
UN male thread, parallel 
Construction type
non-return valve, connector 
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Characteristics

Sealing form 1 + 2
  • 37° external cone 
Connection 1 + 2
  • UN male thread, parallel 
Construction type
  • non-return valve, connector 
Material
  • steel 
Surface
  • electro galvanised 
Customs tariff number
  • 84813091 
All characteristics

Product description

Ordering information
Also available with opening pressure of 0.2; 0.5; 2; 3; 5; 6 bar.

Product variants

8 Results
Show dimensional drawing
Identifier
Response pressure
G1
Working pressure
L1 (mm)
Price / items
approx. 1 bar 
UNF 7/16″ -20 
PN 350 
52.5 mm
approx. 1 bar 
UNF 9/16″ -18 
PN 350 
61.5 mm
approx. 1 bar 
UNF 3/4″ -16 
PN 315 
69.5 mm
approx. 1 bar 
UNF 7/8″ -14 
PN 315 
78.5 mm
approx. 1 bar 
UN 1.1/16″ -12 
PN 250 
87.5 mm
approx. 1 bar 
UN 1.5/16″ -12 
PN 250 
92.5 mm
approx. 1 bar 
UN 1.5/8″ -12 
PN 250 
105.5 mm
approx. 1 bar 
UN 1.7/8″ -12 
PN 140 
118.5 mm
PN = nominal pressure (bar)
PB = max. operating pressure (bar)
HEX = SW, S1, S2, S3 = width across flats

Column selection

Response pressure
G1
Working pressure
L1 (mm)
S1
S2
PN = nominal pressure (bar)
PB = max. operating pressure (bar)
HEX = SW, S1, S2, S3 = width across flats