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Solid Plastic Valves

Solid Plastic

  • PVC
  • Polypropylene
  • PVDF
  • PFA
Valve Options
Bubble-Tight Shutoff

Bubble-Tight shutoff

On pressure or vacuum applications, zero leakage in accordance with MSS SP-88.

Throttling

Throttling

Ideal for both on/off and modulating applications. Streamline flow path is cavity free for excellent control capabilities.

Streamline Flow / Bidirectional

Streamline Flow / Bidirectional

Smooth contoured body design has no cavities or pockets for smooth flow and contamination-free performance. Hills-McCanna valves can be oriented to facilitate self draining.

Valve Sizing Constants (Cv), Solid Plastic
    Percent of Stem Travel
Valve Size Turns* 10 20 30 40 50 60 70 80 90 100
0.5 3 0.3 0.7 1.2 1.9 2.8 3.4 3.7 4 4.1 4.2
0.75 3-3/4 1.5 3 4.8 6.5 7.8 8.6 9.1 9.5 9.8 10
1 4-1/2 4.6 8.2 10.9 12.8 14.1 15 15.7 16.2 16.4 16.5
1.25 4-3/4 6.4 10.9 13.5 15.2 16.1 17.6 18.3 18.8 19.1 19.2
1.5 5.3/4 8.5 14.5 19 22.5 25 27 28 29 30 30
2 7-1/4 14 25.5 34 40.5 45 49 51.5 53 53.5 54
  * Approximate turns to close
Weights of Standard Hills-McCanna Diaphragm Valves
Threaded End, Butt Weld End, Socket End (approximate - in pounds)
Size 1/2" 3/4" 1" 1-1/2" 2" 2-1/2"
Solid Plastic 1 2 2.75 6 10.5 ---
All Others 2 2.5 4 9.5 15 27
Flanged End (approximate - in pounds)
Size 1/2" 3/4" 1" 1-1/2" 2" 2-1/2" 3" 4" 6" 8" 10" 12"
PVC 1.5 2.25 3.5 7 12.75 --- --- --- --- --- --- ---
All Others 4 5 7 13 22 36 49 97 170 360 600 885

Pressure/Temperature Recommendations

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