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Series 8400 Butterfly Valve

Recommended Operating Range Installation Options
2" - 12" --------------------- 200 psi
14" - 16" ------------------- 150 psi

Working Temperature ---- 0 to 180 F
Cv Chart ----------------------see below

2" - 12" Dimensions
14" - 16" Dimensions

The Series 8400 Wafer Style Butterfly Valve is designed for installation between ANSI 125/150 lb flanges.  During installation, flanges should be spaced to allow the valve to slip easily between.   The locating lugs should be utilized to ensure accurate centering of the valve between the flanges.  Tighten bolts to assure proper seal compression. 2" square operating nut.

Shaft extensions upto 144".

Buried service application.

2' - 12" available w/ lever lock or gear operator w/ handwheel.  Larger sizes gear operator only.

            Cv Chart (Water @ 70 F Specific Gravity = 100)

Valve Size (inches) Disc Position (Degrees Open)
25 30

40

50 60 70 80 90
2 3 7 19 36 63 84 115 120
2.5 4 10 24 47 78 113 182 194
3 14 21 45 84 133 203 382 430
4 30 52 100 165 270 420 703 830
5 85 130 210 345 525 825 1350 1500
6 165 225 360 570 820 1260 1875 1980
8 210 300 480 780 1320 2280 3780 3870
10 405 575 850 1200 1900 3300 6100 6450
12 550 750 1200 1875 2850 5025 9300 9800
14 650 825 1500 2300 3500 6200 9700 10500
16 800 1000 1850 2900 4600 7500 10600 13500