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HZR ED
Non-return valve, screw-in connection
Product image
Properties
| Connection 1 |
BSP external thread, cylindrical |
| Sealing form 1 |
Shape E |
| Connection 2 |
metric cylindrical outer thread |
| Sealing form 2 |
24° inner cone |
| Design |
Non-return valve, screw-in connection |
| Construction |
straight |
| Scope of supply |
Socket with union nut and cutting ring |
| Material |
Steel |
| Surface |
electro galvanised |
Description
Direction of flow to screw-in pin
Note
Information about fitting, installation, pressure loads and permissible operating temperatures can be found in the technical information for pipe fittings.
Item
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 Identification |
Opening pressure | Series | Operating pressure | Ø d2 (mm) |
G1 | Ø D (mm) |
i (mm) |
L1 (mm) |
L2 (mm) |
S1 | S2 | S3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HZR NW 04 HL ED | approx. 1 bar | L | PN 250 | 6 | G 1/8" -28 | 14 | 8 | 41,0 | 26,5 | 17 | 17 | 14 |
| HZR NW 06 HL ED | approx. 1 bar | L | PN 250 | 8 | G 1/4" -19 | 19 | 12 | 43,0 | 28,5 | 19 | 19 | 17 |
| HZR NW 08 HL ED | approx. 1 bar | L | PN 250 | 10 | G 1/4" -19 | 19 | 12 | 53,0 | 38,5 | 24 | 22 | 19 |
| HZR NW 10 HL ED | approx. 1 bar | L | PN 250 | 12 | G 3/8" -19 | 22 | 12 | 55,0 | 40,5 | 30 | 27 | 22 |
| HZR NW 13 HL ED | approx. 1 bar | L | PN 250 | 15 | G 1/2" -14 | 27 | 14 | 57,5 | 42,5 | 32 | 27 | 27 |
| HZR NW 16 HL ED | approx. 1 bar | L | PN 160 | 18 | G 1/2" -14 | 27 | 14 | 64,0 | 48,0 | 36 | 36 | 32 |
| HZR NW 20 HL ED | approx. 1 bar | L | PN 160 | 22 | G 3/4" -14 | 32 | 16 | 72,0 | 56,0 | 46 | 41 | 36 |
| HZR NW 25 HL ED | approx. 1 bar | L | PN 100 | 28 | G 1" -11 | 40 | 18 | 80,5 | 64,0 | 55 | 50 | 41 |
| HZR NW 32 HL ED | approx. 1 bar | L | PN 100 | 35 | G 1.1/4" -11 | 50 | 20 | 91,5 | 70,0 | 60 | 60 | 50 |
| HZR NW 40 HL ED | approx. 1 bar | L | PN 100 | 42 | G 1.1/2" -11 | 55 | 22 | 93,0 | 70,5 | 70 | 65 | 60 |
| HZR NW 03 HS ED | approx. 1 bar | S | PN 400 | 6 | G 1/4" -19 | 19 | 12 | 46,0 | 31,5 | 19 | 19 | 17 |
| HZR NW 04 HS ED | approx. 1 bar | S | PN 400 | 8 | G 1/4" -19 | 19 | 12 | 46,0 | 31,5 | 19 | 19 | 17 |
| HZR NW 06 HS ED | approx. 1 bar | S | PN 400 | 10 | G 3/8" -19 | 22 | 12 | 54,0 | 38,0 | 24 | 22 | 22 |
| HZR NW 08 HS ED | approx. 1 bar | S | PN 400 | 12 | G 3/8" -19 | 22 | 12 | 57,0 | 41,0 | 27 | 24 | 24 |
| HZR NW 10 HS ED | approx. 1 bar | S | PN 315 | 14 | G 1/2" -14 | 27 | 14 | 61,0 | 43,5 | 32 | 27 | 27 |
| HZR NW 13 HS ED | approx. 1 bar | S | PN 315 | 16 | G 1/2" -14 | 27 | 14 | 64,0 | 46,0 | 36 | 32 | 30 |
| HZR NW 16 HS ED | approx. 1 bar | S | PN 250 | 20 | G 3/4" -14 | 32 | 16 | 71,5 | 50,0 | 46 | 41 | 36 |
| HZR NW 20 HS ED | approx. 1 bar | S | PN 250 | 25 | G 1" -11 | 40 | 18 | 78,5 | 54,5 | 50 | 46 | 46 |
| HZR NW 25 HS ED | approx. 1 bar | S | PN 250 | 30 | G 1.1/4" -11 | 50 | 20 | 90,5 | 64,0 | 60 | 60 | 50 |
| HZR NW 32 HS ED | approx. 1 bar | S | PN 250 | 38 | G 1.1/2" -11 | 55 | 22 | 102,0 | 71,5 | 70 | 65 | 60 |
Series: LL = Very light L = Light S = Heavy – PN = Nominal pressure PB = Max. operating pressure – Ø d2 = External pipe diameter
Ordering information
Also available with opening pressure of 0.2; 0.5; 2; 3; 5 bar.
Accessories
- RD FEDER
- Spring for non-return valve
- RD FEDER PT
- Spring for non-return valve
Spare parts
- WD
- Soft seal for ED fittings
Product versions
Disclaimer
Despite careful checking, we cannot guarantee the accuracy of all information included on this site, and we accept no liability.
All data and information in our online catalogue are based on currently valid standards and the regulations from the employer's liability insurance association. Product safety can only be guaranteed when our assembly instructions are carefully observed. Non-adherence to these regulations can affect product operation and functioning and result in a loss of warranty. Our warranty is only valid for HANSA-FLEX products. Our products are constantly subject to further development and technical changes are therefore possible.