What are you looking for?

Enter search term

We are sorry!

Unfortunately no results were found.

Christmas / New Year shipping times
Our central warehouses will be closed from 23.12.2024 to 01.01.2025. Incoming orders will not be shipped during this period. If necessary, you are welcome to use our branch network during this time. Customer service will be available as usual.

Login

Are you a new customer?

Register and get many benefits:

Checking the product availability
Fast reordering & order history
Personal product recommendation
Payment by invoice

Help & Contact

Your direct line to us

If you have any questions about the online store or our products, you can call our customer service at:

Monday - Thursday: 8:00AM - 5:00PM
Friday: 8:00AM - 4:00PM
Except saturdays, sundays and holidays

Or use our FAQ

There you get answers to the most frequently asked questions.

Helping people help themselves
FAQs

RD 04 HJ

Check valve connector AGJ7/16"
Response pressure
approx. 1 bar 
G1
UNF 7/16″ -20 
Working pressure
PN 350 
Download PDF
Register now to get access to our online shop

Register now and access our complete product range and many exclusive services.

Product details for

RD 04 HJ

Response pressure
approx. 1 bar
G1
UNF 7/16″ -20
Working pressure
PN 350
L1
52.5 mm
S1
19
S2
19
All characteristics

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