Swing Check Valve

Swing Check Valve Manufacturer in Europe – Valvesonly Europe (Germany)

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.

Function & Working

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.

Advantages

Low pressure drop in fully open position

Renewable seat rings and accessible internals

Lever/weight or dashpot for slam control

Soft-seat options for bubble-tight shutoff

Types Offered

Flanged Swing • Wafer/Lugged Swing • Tilting Disc (on request)

Industries in Europe

Oil & Gas • Power Generation • Water & Wastewater • Desalination • Marine & Offshore • Chemical Processing • Mining

Materials (Body, Disc, Seat, Hinge/Pins)

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 Specifications

Size: DN15–DN1200

Pressure: PN10–PN40 / Class 150–600

Temp: –29 °C to +400 °C (material dependent)

Ends: Flanged, Wafer, Lugged

Standards: API 6D, EN 12334, PED

Testing: API 598 / EN 12266-1

Options: Soft seat, lever/weight, dashpot, NACE MR0175

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