Danfoss RLV-D — manual lockshield radiator valve for two-pipe hydronic heating systems, OEM order code 003L0236. The RLV-D is a return-side lockshield valve supplied with compression/union fittings for direct connection to the system pipe, combining individual shut-off with a drain-off facility for maintenance. Regulation and isolation are set with a hex socket under a cover cap. RLV-D DN 10, straight pattern. Body brass, finish Nickel plated. Connection to system 8/10 mm, connection to radiator Rp 1/2 (External Thread). Max. working pressure 10 bar, test pressure 16 bar, flow temperature up to 120 °C. Genuine Danfoss part; technical data quoted verbatim from store.danfoss.com (code 003L0236). OEM P/N 003L0236, EAN 5714279771794. HS 8481.80.
| Brand | Danfoss |
| Part number | 003L0236 |
| Type | RLV-D |
| Product group | Lockshield Valves |
| Description | RLV-D with 10 mm fittings |
| Function | Return-side lockshield / isolating valve |
| Design | Straight |
| Nominal size | 10 |
| Connection to system | 8/10 mm |
| Connection to radiator | Rp 1/2 |
| Connection types | External Thread |
| Tailpiece type | With fittings |
| Flow temperature (max) | 120 °C |
| Working pressure (max) | 10 bar |
| Test pressure | 16 bar |
| Finish | Nickel plated |
| REACH candidate-list substances | Lead (CAS no. 7439-92-1) |
| Net weight | 0.175 Kilogram |
| Gross weight | 0.175 Kilogram |
| EAN | 5714279771794 |
| HS code | 8481.80 (taps, cocks, valves for pipes, tanks, vats or the like) |
| Material | Body brass, Nickel plated |
| Pressure rating | 10 bar max working (test 16 bar) |
| Temperature range | up to 120 °C (flow) |
| MOQ | 1 |
Return-side lockshield / isolating valve — pair with a Danfoss RA-N / RA-FN thermostatic radiator valve (or equivalent) on the flow side. DN 10, straight pattern, connection to system 8/10 mm, to radiator Rp 1/2. Confirm design, nominal size and connections against the installation before ordering.