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Check valve
Hits:1425  Time:2014-01-10  Source:
Design Features          
           Bolted bonnet or pressure seal bonnet          
           Low pressure drop design          
           Non-rotating disc          
           Low emission graphite gland packing          
           Suitable for horizontal or vertical upward flows          
Optional Features          
           Seal welded seats across full range          
           Flanged, hub or butt-weld ends          
           Outside lever and weight arrangement          
           Bypass and drain connections          
           Damping devices          
           Basic design conformance to API-600, BS1868, ANSI B16.34          
           Sizes from 2" to 40"          
           Pressure class: ANSI class 150 to ANSI class 4500          
           End connection: in accordance to ANSI B16.5 (for sizes ranging from 2" to 24") and ANSI B16.47 (for sizes ranging from 26" to 42")          
           Material: Cast Steel, Stainless Steel and other alloys available on request          
           Manufactured to NACE MR 0175 (Latest Edition)          
Test & inspection: API-598          
Optional Tests and NDE          
           Fugitive Emission Testing          
           Positive Material Identification (PMI Tests)          
           Dye Penetrant Examination (DPE)          
           Magnetic Particle Inspection (MPI)          
           Low Temperature/Cryogenic Tests

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