Forged Steel Non Return Valves
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Forged Steel Non Return Valves are engineered using alloy, aluminum, nickel and other requisite metals in accordance to the design and manufacturing standard-API 602 (Gate) BS 5352. These valves are designed keeping in mind their role in industries, like petrochemical, sugar, chemicals and others. We offer valves in different sizes and specifications to cater to the diverse demands of the clients.
Sanitary Non-return-Valve ( Vertical NRV )
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Ambika has designed spring-assisted check valve (Sanitary NRV) for Vertical mounting to prevent flow reversal in industries. The internal surface finish is 0.8 Ra while the disc and seat are lapped to provide excellent shutoff. The specially designed end connection is easy for mounting and dismounting and so it is comfortable for maintenance and less time consuming. Additionally body and seat, is fastened with a quick release clamp and elastomeric body seal to permit fast and easy access to the internals. Principle of operation In line spring assisted NRV is designed to prevent reversal of flow with strict clean condition. The valve opens whenever the pressure below the plug exceeds the pressure above the plug due to spring and higher counter pressure will press the plunger valve against the seat to close the valve. Features and Specialities • Fully drainable in vertical / horizontal installation • TC end connection as per ASME BPE standard. • 3a standard • Material traceability certificate for components and elastomers ( FDA approved ) used in check valves. ( on request ) • Capable to withstand CIP at 80deg0 SIP at 123deg0 • Internal surface finish o.8ra. • Spring assisted silent closing. • Cracking pressure from 10 – 20 mbar ( on request ) • Metal to metal seat class 4 shut off / Soft seated sealing • This NRVs are made completely from bar stock, Non-magnetic.
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