Sanitory Non-return-Valve ( Vertical NRV ) |
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| Description |
Ambika has designed spring-assisted check valve (sanitory 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.
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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.
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Features and Specialities |
Download Technical Specifications (PDF) |
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Fully drainable in vertical / horizontal installation |
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TC end connection as per ASME BPE standard. |
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3a standard |
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Material traceability certificate for components and elastomers ( FDA approved ) used in check valves. ( on request ) |
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Capable to withstand CIP at 80deg0 SIP at 123deg0 |
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Internal surface finish o.8ra. |
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Spring assisted silent closing. |
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Cracking pressure from 10 – 20 mbar ( on request )
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Metal to metal seat class 4 shut off / Soft seated sealing |
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This NRVs are made completely from bar stock, Non-magnetic. |
