INOXPA HLR, Installation, Service And Maintenance Instructions

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(A) 2021/11 8.Technical Specifications 29
Materials
Product wetted parts ............................................................ AISI 316L
Other parts in stainless steel .................................................. AISI 304
Product wetted gaskets ........................................................ EPDM
Other materials for optional gaskets ....................................... Consult your supplier
Product wetted parts surface finishing .................................... Ra < 0,8  m
Mechanical seal
Type of seal ......................................................................... Single internal balanced mechanical seal
Rotary parts material ............................................................ Silicon carbide
Stationary parts material ....................................................... Carbon
Elastomers material .............................................................. EPDM
Cooled mechanical seal
Working pressure .................................................................. 0,5 bar (73 psi)
Flow rate of the circulation ..................................................... 2,5-5 l/min (0,7-1,3 US gpm)
Double mechanical seal
Type of seal ......................................................................... Balanced design
Due to the balanced design, no over pressure is required
Operating pressure (if it is required by the process) ................ 1,5-2 bar (22-29 psi) over the pump operating pressure
Heating jacket
Maximum temperature .......................................................... 180 ºC (356 ºF)
Maximum pressure ................................................................ 4 bar (58 psi)