Danfoss valve insert (003H6874) — genuine PN 25 spare cone + seat cartridge for the Danfoss VG globe-valve range. The insert is the replaceable throttling element (cone and seat) that drops into the valve body; renewing it restores the original flow characteristic and Kvs without changing the body. Valve size DN 20. Kvs 6.3 m³/h. Pressure class PN 25 for district heating/cooling circulation water. Fits Danfoss VG valves/controllers. OEM designation "Valve insert PN25 20/6,3 25/6,3 VG-flow". Net weight 0.206 kg, gross 1.053 kg. Contains lead per the REACH candidate list. OEM P/N 003H6874. EAN 5702421553367. Technical data quoted verbatim from store.danfoss.com (code 003H6874).
| Code number | 003H6874 |
| Type | Valve Inserts |
| Product group | Accessories — SAC (self-acting controllers) |
| For product type | VG |
| Valve size | DN 20 |
| Kvs value | 6.3 m³/h |
| Function | Replaceable cone + seat insert cartridge for the globe-valve body |
| Pressure class | PN 25 |
| Permissible media | District heating/cooling circulation water |
| OEM description | Valve insert PN25 20/6,3 25/6,3 VG-flow |
| REACH Candidate List substance | Lead (CAS no. 7439-92-1) |
| Volume | 0.568 L |
| Net weight | 0.206 kg |
| Gross weight | 1.053 kg |
| EAN | 5702421553367 |
| HS code | 8481.90 |
| Description | Valve insert PN25 20/6,3 25/6,3 VG-flow |
| Kvs values [m³/h] | 6.3 m³/h |
| REACH Candidate List substances | Lead (CAS no. 7439-92-1) |
| Pressure rating | PN 25 |
| MOQ | 1 |
Genuine Danfoss valve-insert spare (003H6874) for the VG globe-valve family. Match the For-product-type, valve size (DN 20) and Kvs (6.3 m³/h) to the valve body on site before ordering — the insert cartridge and the valve body are ordered separately. Pressure class PN 25.