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.
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
- BUBBLE-TIGHT SHUTOFF: On pressure or vacuum applications, zero leakage in accordance with MSS SP-88.
- THROTTLING: Ideal for both on/off and modulation applications. Streamline flow path is cavity free for excellent control capabilities.
- 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 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 | |||||||||||
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
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 Black
- McCannaplast™ EPDM White
- Neoprene Black
- Neoprene 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.
Contact Us
Give us a call at 616-554-4600 or fill out this form and one of our experts will be in touch as soon as possible.
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