Butterfly Valve

MIAN APPLICATION:

Transport and distribution of     : cold and hot industrial water

 Saturated vapours

 Petroleum products                                                         Fluids charged with solid particles (consistency max.   3%)

On condition that the compatibility regarding the corrosion erosion and safety in work in relation to the design and materials used to be ensured

DESIGN AND WORKING CHARARCTERISTICS

Type   -"w" -wafer;

           "L"      -lug

           "F"     flanged

Shaft:-one –piece

          Tow pieces

Connecting flanges:  -ISO, BS, DIN, ANSI

Overall length:-ISO, BS, DIN

Flanged body   STSS 10933/2

Max. Liquid flow speed        4m/s for PN10

                                        5m/s for PN 16

WORKING TEMPERUTURE :Tmax /T min

         80ºc/-10ºc -for NBR type rubber

         120ºc /-10ºc –for EPDM type rubber

OPERATION:

        AM –manual with lever

       AR –manual with gear box

       AE-electric operation

      AP –pneumatic operation

Mounting; indifferent flow direction

                    Indifferent mounting position

Factory test pressure leakage

Hydraulic test in conformity with ISO 5208

TEST PRESSURE   SHELL -1.5 ×pn BAR

Maximum allowable leakage at seat –in conformity with ISO 5208 grade A