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2-PORT BUTTERFLY VALVES PN 6 (10...110 °C)

2F ...

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APPLICATION

As shut-off valves with 2-position control, in systems where tight shut-off is not necessary: - boilers in sequence; - shut-off in secondary circuits.

FEATURES

  • PN 6 flanged connections.

  • Working temperature: 10 ... 110 °C.

  • Rotation angle 90°.

  • Cast iron body.

  • Brass butterfly with ring seal in Teflon.

  • Stainless steel spindle.

        Suitable actuators  
Code   DN mm Kvs (1) - m3/h CVC ... CVH ... Data sheet
        (bar) (2) (bar) (2)  
2F DN 50   50 100 1.5 3 M 920
2F DN 65   65 160 1.5 3
2F DN 80   80 280 – 3
2F DN 100   100 450 – 3
2F DN 125   125 700 – 2
2F DN 150   150 1.200 – 2
2F DN 175   175 1.800 – 2
2F DN 200   200 2.300 – 2

  • (1) : Kvs ­ Flow coefficient: Flow in m3/h with valve open and pressure drop of 100 kPa. - 100 kPa = 10 mWG = 1 bar

  • (2) : bar ­ Maximum pressure differential (∆p max) permitted by actuator.

ACCESSORIES

FLANGES WITH NECK FOR FLANGED VALVES PN 6

  • PN6 UNI 2280

  • Packs containing1 flange and including seals, bolts, nuts and washers.

    Including :
Code   Seal Bolts (2-port) Bolts (3-and 4-port) Nuts Washers
    No. mm No. mm No. mm No. mm No. mm
AFC 040   1 85 x 45 x 2 0 – 4 12 M x 55 4 12 M 8 ø 12
AFC 050   1 95 x 57 x 2 2 12 M x 80 4 12 M x 55 4 12 M 8 ø 12
AFC 065   1 115 x 76 x 2 2 12 M x 80 4 12 M x 55 4 12 M 8 ø 12
AFC 080   1 132 x 89 x 2 2 16 M x 100 4 16 M x 60 4 16 M 8 ø 16
AFC 100   1 152 x 108 x 2 2 16 M x 100 4 16 M x 60 4 16 M 8 ø 16
AFC 125   1 182 x 133 x 2 4 16 M x 120 8 16 M x 60 8 16 M 16 ø 16
AFC 150   1 207 x 159 x 2 4 16 M x 120 8 16 M x 60 8 16 M 16 ø 16
AFC 175   1 230 x 185 x 3 8 16 M x 140 – – 8 16 M 16 ø 16
AFC 200   1 255 x 210 x 3 8 16 M x 140 – – 8 16 M 16 ø 16

PRESSURE DROP IN BATTERFLY VALVES 2F