MTX-501-388-389 STAINLESS STEEL BALL CHECK VALVE ALL POSITIONS PN400 Size : Ends : Min Temperature : Max Temperature : Max Pressure : Specifications : DN 1/4“ to 1“ Female-Female BSP or NPT - 20°C + 180°C 400 Bars Ball check valve with spring All positions Metal / metal thickness Materials : Stainless steel Page 1 - 6 Information provided as an indication and subject to possible modification

MTX-501-388-389 STAINLESS STEEL BALL CHECK VALVE ALL POSITIONS PN400 SPECIFICATIONS : Ball check valve with spring All positions (respect the flow direction indicated by the arrow ) Metal / metal tightness Stainless steel Class 6000 Psi For all common fluids Min Temperature Ts : - 20°C Max Temperature Ts :+ 180°C Max pressure PN : 400 bars Female / female threaded BSP cylindrical Ref. 388 from DN 1/4“ to DN 1“ Female / female threaded NPT Ref. 389 from DN 1/4“ to DN 1“ Page 2 - 6 Information provided as an indication and subject to possible modification

MTX-501-388-389 STAINLESS STEEL BALL CHECK VALVE ALL POSITIONS PN400 MATERIALS Page 3 - 6 Information provided as an indication and subject to possible modification

MTX-501-388-389 STAINLESS STEEL BALL CHECK VALVE ALL POSITIONS PN400 SIZE ( in mm ) : Page 4 - 6 Information provided as an indication and subject to possible modification

MTX-501-388-389 STAINLESS STEEL BALL CHECK VALVE ALL POSITIONS PN400 STANDARDS : DIRECTIVE 97/23/CE : CE N° 0496 Risk category III Module H BSP cylindrical threaded ends according to ISO 228-1 and DIN 2999 NPT threaded ends according to ANSI B1.20.1 ADVICE : Our opinion and our advice are not guaranteed and MTX shall not be liable for the consequences of damages. The customer must check the right choice of the products with the real service conditions. Page 5 - 6 Information provided as an indication and subject to possible modification

MTX-501-388-389 STAINLESS STEEL BALL CHECK VALVE ALL POSITIONS PN400 INSTALLATION INSTRUCTIONS GENERAL GUIDELINES : Ensure that the check valves to be used are appropriate for the conditions of the installation (type of fluid,pressure and temperature). Be sure to have enough valves to be able to isolate the sections of piping as well as the appropriate equipment for maintenance and repair. Ensure that the check valves to be installed are of correct strenght to be able to support the capacity of their usage. Installation of all circuits should ensure that their function can be automatically tested...