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Hills-McCanna® Solid Plastic Diaphragm Valves

Hills-McCanna® Solid PVC, PVDF, and PFA Diaphragm Valves are rugged, durable, and designed to handle a wide range of fluids and gases including highly corrosive toxic chemicals and abrasive slurries. Our solid plastic diaphragm valves are available in a wide variety of materials and options.

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solid plastic 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: Solid plastic diaphragm valves are available in the following materials: 
    • PVC
    • Polypropylene
    • PVDF
    • PFA
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bubble-tight solid plastic diaphragm valve
  • BUBBLE-TIGHT SHUTOFF: On pressure or vacuum applications, zero leakage in accordance with MSS SP-88. 
throttling solid plastic diaphragm valve
  • THROTTLING: Ideal for both on/off and modulation applications. Streamline flow path is cavity free for excellent control capabilities. 
streamline flow solid plastic 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), Solid Plastic: .5" to 2"



Percent of Stem Travel
Valve SizeTurns*102030405060708090100
0.530.30.71.21.92.83.43.744.14.2
0.753-3/41.534.86.57.88.69.19.59.810
14-1/24.68.210.912.814.11515.716.216.416.5
1.254-3/46.410.913.515.216.117.618.318.819.119.2
1.55.3/48.514.51922.5252728293030
27-1/41425.53440.5454951.55353.554

* Approximate turns to close

Weight of Standard Hills-McCanna Diaphragm Valves

Threaded End, Butt Weld End, Socket End (approximate - in pounds)
Size1/2"3/4"1"1-1/2"2"2-1/2"
Solid Plastic122.75610.5---
All Others22.549.51527
Flanged End (approximate - in pounds)
Size1/2"3/4"1"1-1/2"2"2-1/2"3"4"6"8"10"12"
PVC1.52.253.5712.75---------------------
All Others4571322364997170360600885

Pressure/Temperature Recommendations

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 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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