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RD VA
Non-return valve, connector
Product image
Properties
| Connection 1 + 2 |
metric cylindrical outer thread |
| Sealing form 1 + 2 |
24° inner cone |
| Design |
Non-return valve, connector |
| Standard |
DIN 3865 |
| Scope of supply |
Socket with union nut and cutting ring |
| Material |
Stainless steel |
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) |
L1 (mm) |
L2 (mm) |
S1 | S2 | S3 |
|---|---|---|---|---|---|---|---|---|---|
| RD NW 04 HL VA | approx. 1 bar | L | PN 250 | 6 | 58,0 | 29,0 | 19 | 17 | 14 |
| RD NW 06 HL VA | approx. 1 bar | L | PN 250 | 8 | 59,0 | 30,0 | 24 | 22 | 17 |
| RD NW 08 HL VA | approx. 1 bar | L | PN 250 | 10 | 69,5 | 40,5 | 27 | 24 | 19 |
| RD NW 10 HL VA | approx. 1 bar | L | PN 250 | 12 | 72,5 | 43,5 | 30 | 27 | 22 |
| RD NW 13 HL VA | approx. 1 bar | L | PN 250 | 15 | 77,5 | 47,5 | 36 | 32 | 27 |
| RD NW 16 HL VA | approx. 1 bar | L | PN 160 | 18 | 83,5 | 51,5 | 41 | 38 | 32 |
| RD NW 20 HL VA | approx. 1 bar | L | PN 160 | 22 | 93,5 | 61,5 | 50 | 46 | 36 |
| RD NW 25 HL VA | approx. 1 bar | L | PN 100 | 28 | 102,5 | 69,5 | 60 | 55 | 41 |
| RD NW 32 HL VA | approx. 1 bar | L | PN 100 | 35 | 117,5 | 74,5 | 70 | 65 | 50 |
| RD NW 40 HL VA | approx. 1 bar | L | PN 100 | 42 | 119,0 | 74,0 | 70 | 65 | 60 |
| RD NW 03 HS VA | approx. 1 bar | S | PN 400 | 6 | 63,5 | 34,5 | 19 | 17 | 17 |
| RD NW 04 HS VA | approx. 1 bar | S | PN 400 | 8 | 63,5 | 34,5 | 19 | 17 | 19 |
| RD NW 06 HS VA | approx. 1 bar | S | PN 400 | 10 | 72,5 | 40,5 | 24 | 22 | 22 |
| RD NW 08 HS VA | approx. 1 bar | S | PN 400 | 12 | 74,5 | 42,5 | 27 | 24 | 24 |
| RD NW 10 HS VA | approx. 1 bar | S | PN 315 | 14 | 82,5 | 47,5 | 32 | 27 | 27 |
| RD NW 13 HS VA | approx. 1 bar | S | PN 315 | 16 | 86,5 | 50,5 | 36 | 32 | 30 |
| RD NW 16 HS VA | approx. 1 bar | S | PN 250 | 20 | 97,5 | 54,5 | 41 | 38 | 36 |
| RD NW 20 HS VA | approx. 1 bar | S | PN 250 | 25 | 106,5 | 58,5 | 50 | 46 | 46 |
| RD NW 25 HS VA | approx. 1 bar | S | PN 250 | 30 | 122,5 | 69,5 | 60 | 55 | 50 |
| RD NW 32 HS VA | approx. 1 bar | S | PN 250 | 38 | 136,5 | 75,5 | 70 | 65 | 60 |
Ordering information
Also available with opening pressure of 0.2; 0.5; 2; 3 bar
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.