Check Valve

MIAN APLICATION:

Transport and distribution of:  -cold and industrial water

                                                      -saturated vapours

                                                      -petroleum product;

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 CHARACTERISTICS:

-CD -straight flanged body;

CC -angle flanged body;

CFF -straight flangeless body.

Overall length: -in conformity with ISO; BS; DIN; ANSI

(Shown on the technical sheets);

Connecting flanges:  -in conformity with ISO; BS; DIN; ANSI

(Shown on the technical sheets)

Maximum liquid flow speed:  2.5 m/s       for PN 6;

                                                    3 m/s         for PN 10

                                                    4m/s          for PN 16

WORKING TEMPERATURE: T max /T min

For rubber seats: NBR TYPE 80ºC /-10ºc

            EPDM type 120ºc/-10ºc

For asbestos free sheet gasket (in conformity with the technical sheet)300ºc (400ºc)

MOUNTING:Flow direction marked with arrow on body

Mounting position in conformity with technical sheet recommendation

MANAFACTURER TEST, TEST PRESSURE, LEAKAGE

Hydraulic test in conformity with
ISO 5208(API598)

          Shell test pressure (bar):     1.5 ×PN

Seat test pressure (bar)                 1.1×PN (PN-nominal pressure)

Maximum allowed leakage at disc seat test

               Standard execution –grade D in conformity with ISO 5208

          Standard execution – grade Bin conformity with ISO 5208