Swing Check Valve Manufacturer in Europe – Valvesonly Europe (Germany)Â
Valvesonly Europe manufactures swing check valves for dependable non-return protection in process and utility lines. Designed and tested to API 6D / EN 12334 / PED.Â
Function & WorkingÂ
A hinged disc opens with forward flow and swings closed upon flow reversal, sealing against the seat to prevent backflow. Optional lever/weight or hydraulic dashpot controls closure dynamics and mitigates water hammer.Â
AdvantagesÂ
- Low pressure drop in fully open positionÂ
- Renewable seat rings and accessible internalsÂ
- Lever/weight or dashpot for slam controlÂ
- Soft-seat options for bubble-tight shutoffÂ
Types OfferedÂ
Flanged Swing • Wafer/Lugged Swing • Tilting Disc (on request)Â
Industries in EuropeÂ
Oil & Gas • Power Generation • Water & Wastewater • Desalination • Marine & Offshore • Chemical Processing • MiningÂ
Materials (Body, Disc, Seat, Hinge/Pins)Â
| Category | Material | Standards / Grades | Typical Use |
| Cast Iron | EN-GJL-250 | EN 1561 | Water distribution |
| Ductile Iron | EN-GJS-400-15 / 500-7 | EN 1563 | Water/wastewater |
| Carbon Steel | WCB/WCC | ASTM A216 | Hydrocarbons |
| Stainless | CF8/CF8M/CF3M | ASTM A351 | Corrosives |
| Duplex/Super Duplex | CD4MCu; S32750/60 | ASTM A890 | Seawater/desalination |
| Disc & Seat | 410/420/316 SS, Stellite 6, PTFE soft seat | ASTM/AWS | Wear & tightness |
| Hinge/Pins | 316 SS, F51 Duplex | ASTM A182 | Corrosion/wear resistance |
Technical SpecificationsÂ
- Size: DN15–DN1200Â
- Pressure: PN10–PN40 / Class 150–600Â
- Temp: –29 °C to +400 °C (material dependent)Â
- Ends: Flanged, Wafer, LuggedÂ
- Standards: API 6D, EN 12334, PEDÂ
- Testing: API 598 / EN 12266-1Â
- Options: Soft seat, lever/weight, dashpot, NACE MR0175Â





