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HZO HJOF

Non-return valve, screw-in connection
Connection 1
UN/UNF external threads 
Connection 2
ORFS external threads 
Construction type
non-return valve, screw-in connection 
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Characteristics

Connection 1
  • UN/UNF external threads 
Connection 2
  • ORFS external threads 
Construction type
  • non-return valve, screw-in connection 
Material
  • steel 
Sealing form 1
  • O-ring seal 
Sealing form 2
  • flat seal with O-ring 
Surface
  • electro galvanised 
Type
  • straight 
Customs tariff number
  • 73079910 
All characteristics

Product description

Description
Direction of flow to screw-in pin.
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
G2
Details / items
approx. 1 bar  
7/16″ -20 UNF  
PN 400  
9/16″ -18 UNF  
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approx. 1 bar  
9/16″ -18 UNF  
PN 400  
11/16″ -16 UN  
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approx. 1 bar  
3/4″ -16 UNF  
PN 400  
13/16″ -16 UN  
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approx. 1 bar  
7/8″ -14 UNF  
PN 315  
1″ -14 UNS  
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approx. 1 bar  
1.1/16″ -12 UN  
PN 250  
1.3/16″ -12 UN  
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approx. 1 bar  
1.5/16″ -12 UN  
PN 250  
1.7/16″ -12 UN  
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approx. 1 bar  
1.5/8″ -12 UN  
PN 250  
1.11/16″ -12 UN  
Learn more
approx. 1 bar  
1.7/8″ -12 UN  
PN 250  
2″ -12 UN  
Learn more
PN = nominal pressure (bar)
PB = max. operating pressure (bar)

Column selection

Response pressure
G1
Working pressure
G2
Ø d (mm)
L (mm)
L1 (mm)
S1
S2
PN = nominal pressure (bar)
PB = max. operating pressure (bar)