Torque figures

TORQUE FIGURES IN NM-ALFA VALVES

▲P (bar) PN-6 PN-10 PN-16 PN-20 PN-25
Wp (bar) 2,5 bar 6 bar 2,5 bar 6 bar 10 bar 2,5 bar 6 bar 10 bar 16 bar 20 bar 25 bar
DN40 - - - - - 7 8 9 10 12 15
DN50 - - - - - 7 8 10 11 15 20
DN65 - - - - - 8 9 12 15 20 25
DN80 - - - - - 13 15 19 21 30 43
DN100 - - - - - 18 23 28 35 50 62
DN125 - - - - - 29 32 38 48 80 110
DN150 - - - - - 55 65 75 85 135 180
DN200 - - - - - 110 125 150 175 210 245
DN250 110 140 160 190 220 210 240 270 330 450 620
DN300 170 210 220 260 300 290 340 390 460 650 850
DN350 200 250 260 330 390 390 460 550 640 800 1100
DN400 300 380 460 540 640 670 760 860 1000 1550 2000
DN450 410 510 630 750 850 750 1000 1200 1400 2000 2500
DN500 540 670 800 900 1100 900 1200 1370 1710 2500 3500
DN550 680 880 1000 1200 1500 1600 1800 2000 2400 - -
DN600 910 1100 1330 1520 1805 2100 2280 2565 2945 - -
DN700 1500 1900 2250 2650 3050 3515 3895 4250 4940 - -
DN750 1800 2200 2500 3100 3500 4000 4500 4950 5700 - -
DN800 2100 2800 2920 3420 3920 4750 5225 5600 6500 - -
DN900 3300 4100 3880 4780 5500 5600 6400 7460 8560 - -
DN1000 3800 4900 5510 6555 7695 8360 8800 9690 12350 - -
DN1100 - - - - - - - - - - -
DN1200 - - - - - - - - - - -

Note:
1. The above torque values (N.M.) have included necessary safety factor from its normal application.
2. In case of severe application, it's expected to contact ALFA technical dept. for more datas.
3. The above torque values (N.M.) are based on wet-wet condition with pressure.
4. For Viton (FPM) liner, pls. Take next higer ▲P .

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