JOAP: SANHUA - R290 Propane Catalogue - 2020

67 sanhuaeurope.com YCVS/YCVS-R SERIES Piston type check valves are designed for installation in commercial refrigerating systems and in residential or industrial air conditioning plants. They are used to control the unidirectional flow of refrigerant to prevent backflow. All the Check Valves listed in this datasheet can be installed in systemusing flammable refrigerants HFO (categories A2* and A2L*), and Hydrocarbons HC (category A3*). FEATURES • THISVALVE CANENSURE THEONLY CORRECT FLOWDIRECTION • EQUIPPEDWITHDAMPING SPRING TOFREELY INSTALL THEVALVEAT POSITIONSWITHPRESSURE PULSE • AVAILABLE INTWOTYPESOFMODEL: STRAIGHTWAYVALVEAND L-SHAPEVALVE, EASY TOCONNECT • SPECIAL VERSIONOF CHECKVALVE EQUIPPEDWITHREINFORCEDSPRING, APPLICABLE TOCOMPRES- SORDISCHARGE PIPES INSINGLEORMULTI COMPRESSORSYSTEMS (YCVSH&YCVSH-RSERIES) • LOWPRESSUREDROPSDURINGOPERATION • CERTIFIEDACCORDING PED CAT.II BY TUVRHEINLAND CHECK VALVE – PISTON TYPE Note: *according ANSI-ASHRAE 34-2016 and EN-378-1 ANNE EN 378-1:2016 Annex E GENERAL SPECIFICATIONS • Applicable for all common HCFC and HFC refrigerants such as: R22, R134a, R404A, R407A/ C/F, R410A, R507A, R448A, R449A, R450A, R452A, R513A, R32, R1234yf, R1234ze(E), R454A/ B/C, R455A, R290, R1270, R600a, R744 • Medium temperature TS min./max.: -50°C / +150°C • Max. operating pressure PS: 4,6 (46bar) or 4,9 MPa (49 bar) depending by the model • Installation position: - Flow direction corresponds to the arrow - The suggested positions are described in the installation instructions • Declaration according to PED • Certifications: UL/CSA available only for models with size until YCVS20. For bigger sizes on request