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manufactured in the usa

Hills-McCanna® Lined Metal Diaphragm Valves

Hills-McCanna® Metal, PTFE, & Teflon Lined Diaphragm Valves are rugged, durable, and designed to handle a wide range of fluids and gases including highly corrosive toxic chemicals and abrasive slurries. Available in a wide variety of materials and options, rubber lined sizes 1” to 12”, plastic lined sizes .5” to 3”, with a temperature range of (-)60°F to (+) 350° F at pressures to 200 psig.

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lined metal diaphragm valve

Product Features & Benefits

  • NO PACKING OR SEALS TO ADJUST
  • NO VALVE SEATS TO REPLACE
  • IN-LINE REPAIRABILITY
  • DIFFERENT MATERIAL OPTIONS TO CHOOSE FROM: Metal lined diaphragm valves offer the following liner options: 
    • Soft Rubber
    • Hard Rubber
    • Neoprene
    • Polypropylene
    • PVDF
    • ETFE
    • PFA
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bubble-tight shutoff
  • BUBBLE-TIGHT SHUTOFF: On pressure or vacuum applications, zero leakage in accordance with MSS SP-88. 
diaphragm valve throttling
  • THROTTLING: Ideal for both on/off and modulation applications. Streamline flow path is cavity free for excellent control capabilities. 
streamline flow diaphragm valve
  • STREAMLINE FLOW/BI-DIRECTIONAL: 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.

Technical Details

Size Range

Valve Sizing Constants (CV), Rubber Line: 1" to 12"

    Percent of Stem Travel
Valve Size Turns* 10 20 30 40 50 60 70 80 90 100
1 4-1/2 2.5 6 9 11 12.5 13 13.5 14 14 14
1.5 5-3/4 7.5 15 21.5 26.5 31 33.5 36 37.5 38.5 39
2 7-1/4 13 24 34 43 48 52 54 56 57 57
2.5 7-1/4 21 41 59 75 85 93 98 100 101 101
3 7-1/2 33 69 108 139 157 164 174 177 179 180
4 10-3/4 56 119 184 244 285 316 334 343 348 350
6 15-3/4 165 345 505 620 710 780 830 860 880 890
8 18 190 395 620 850 1130 1325 1450 1570 1640 1670
10 20-1/4 240 505 805 1120 1430 1700 1830 1950 2010 2050
12 22-3/4 360 740 1160 1620 2100 2480 2640 2740 2780 2800
  * Approximate turns to close

Valve Sizing Constants (Cv), Plastic Lined: .5" to 3"

    Percent of Stem Travel
Valve Size Turns* 10 20 30 40 50 60 70 80 90 100
0.5 3 0.2 0.6 1.3 2.1 2.8 3.4 3.8 4 4.1 4.1
0.75 3-3/4 1.1 2.5 3.8 5 5.9 6.4 6.7 6.9 7 7
1 4-1/2 2 4.5 7.5 10.5 15 17.5 18 19 19 19.5
1.5 5-3/4 4 9.5 15.5 22 27.5 33 36.5 38.5 39.5 40
2 7-1/4 10 20 31 40 47 51 55 58 59 60
2.5 7-1/4 22 39 51 61 69 75 79 82 83 84
3 7-1/2 27 51 72 90 104 116 126 133 138 140
  * Approximate turns to close

Weight 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: (-)60°F to (+) 350°F at pressures to 200 psig

pressure temperature recommendations

Valve Options

Please review Diaphragm Valves Brochure for full details.

Bonnet (Non-Wetted Options)

  • INDICATING (STANDARD) Valve position can be determined at a glance.
  • INDICATING WITH TRAVEL STOP In addition to indicating position, the closing stroke can be limited.
non-indicating diaphragm valve
  • NON-INDICATING Used when space limitations are a factor.

ALSO AVAILABLE:

  • Sealed Bonnet
  • Chainwheel
  • Extended Stem
  • Actuated

End Connection Options

  • THREADED
    • ½” to 3”
    • ½” to 2: Solid Plastic
  • SOCKET WELD
    • ½” to 3”
    • ½” to 2” Solid Plastic
  • FLANGED
    • ½” to 12”
    • ½” to 2” Solid Plastic
  • BUTT WELD
    • ½” to 4”
    • Metal Only

Diaphragm Options

  • McCannaplast™ EPDM Back
  • McCannaplast™ EPDM White
  • Neoprene Black
  • Neobrene White
  • PTFE / McCannaplast™
  • Natural Rubber
  • Viton
  • Hypalon

Exclusive Sealing Bead

The sealing bead extends around and between bolt holes and across the setting area. This exclusive design localizes bolting and closing forces, assuring a positive seal with minimum bolting torque, and stem thrust.

Automation

Hills-McCanna actuators are available for on / off applications or when more complex flow control is required. Actuators can be provided with positioners, limit switches, speed controls, filter regulators, and a variety of other accessories and options to meet sophisticated flow control and fine throttling requirements.

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need help choosing a material?

View Our Chemical Resistance Guide

This resource is intended as a guideline to be used with all available information to determine suitability of material selection. We suggest thorough research which should include known applications when determining material. The information contained herein is provided only as a guide for the use of ANDRONACO INDUSTRIES products.

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