Non-return valves

Design 
Flanged or weld end swing check valve in pressure seal design, with internal hinge pin forged / welded body; seats made of wear and corrosion resistant 17 % Cr steel or stellite. 
Applications 
In industrial plants, power stations, process engineering and shipbuilding. For water, steam, gas, oil and other non-aggressive fluids. Other fluids on request.

Design 
Flanged end non-return valve with spring-loaded check disc, maintenance-free. 
Applications 
Hot water heating systems, high-temperature hot water heating systems heat transfer systems. General steam applications in building services and industry. Other fluids on request.

Design 
Wafer-type non-return valve; centering aided by the body shape, shut-off by spring loaded check disc or plug guided by three stainless steel guiding pins. Low-noise variants with plastic check disc (DN 15-100) or plug with O-ring (DN 125-200), maintenance-free. 
Applications 
Industrial and heating systems. Liquids, gases and steams. Hot water heating systems. High-temperature hot water heating systems, heat transfer systems. Any limits given in the technical codes shall be complied with. Not suitable for fluids liable to attack the valve materials. Other fluids on request.

Design 
Flanged non-return valve made of stainless steel, check disc with closing spring, lapped seats. 
Applications 
Process engineering, industry, building services, food and beverages industry, for aggressive fluids. Other fluids on request.

Design 
Flap check valve BS5153 flanged PN 16. Ductile Iron body and bonnet ductile iron clapet. GUNMETAL Metal seated. Face to face according to BS5153. 
Applications 
For Water supply system, heating and conditioning plants, other fluids on request.

Bottom Check valve PN 10. Valve complete with drilled metal sheet. Mesh bottom without holes according to DIN 3259. Grey cast iron body. Stainlesss steel mesh. Gasket EPDM. 

Venturi check valve, compact body hidro dynamic shape with low mass flow rate lose. Fast close to avoid water hammering. Grey cast iron body, stainless obturator. Epoxy coating, Flanges according UNI/DIN PN 10-PN 16 

Bottom Check valve PN 10. Valve complete with drilled metal sheet. Mesh bottom without holes according to DIN 3259. Grey cast iron body. Stainlesss steel mesh. Gasket EPDM. Flanges according to UNI/DIN PN 16 

Grey cast iron Check valve with diaphragm, PN 10- PN 16. Elastic diaphragm to avoid the effect of water hammering. Grey cast iron body, NBR diaphragm, epoxy coating.Flanges connection according to UNI/DIN PN 10-16.