CMS Engineered Products LLC Corrosion Management Systems
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Hills-McCanna glass-lined diaphragm valve body

Hills-McCanna® Diaphragm Valve and Replacement Parts:

Original Hills-McCanna® diaphragm valves and OEM replacement parts for your processing needs.  Diaphragm valves provide bubble-tight shut-off (zero leakage in accordance with MSS SP-88), throttling service and streamlined (bi-directional) flow – smooth, contoured bodies are cavity-free and self-draining (when oriented properly).


Four body styles to fit any application:

1.)  Rubber-lined (1” thru 12” lined size) : soft rubber, hard rubber, Neoprene;

2.)  Plastic-lined (1/2” thru 8” line size) : polypropylene, PVDF (Kynar™), ETFE (Tefzel™), and PFA;

3.)  Glass-lined (1/2” thru 8” line size) : borosilicate for your glass-lined piping systems!

4.)  Unlined (1/2” thru 12” line size) : ductile iron, carbon steel, 316(L) stainless steel, Alloy 20, plus other metals available upon request.  Also available in plastic body (1/2” thru 2” size) : PVC, polypropylene, PVDF (Kynar™), and PFA.


Diaphragm options available:  natural rubber, EPDM (black/white), Neoprene, Hypalon, Viton™,  and PTFE.


End connections available: 150# ANSI flanged, threaded*, socket weld (SW)*, butt weld (BW)*   

* unlined (metal or plastic bodies only; ½” thru 2” line size).


Manual handwheel operated or available in a pneumatically actuated (on/off or modulating) version.


Complete line of genuine replacement diaphragms (also replacement bodies and other misc. bonnet parts) available, many from stock

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Contact Information

Corporate/shop address:

CMS Engineered Products LLC

1322 W Winona

Unit #3S

Chicago, IL  60640


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Corrosion resistant PTFE

We specialize in PTFE molded expansion joints/flex connectors - many in stock for immediate shipment; custom products available upon request.


Please also review our fully PFA lined ball & butterfly valve products for your corrosive and/or aggressive fluid transfer applications.


Biopharm, pharmaceutical, industrial-grade products available for immediate shipment.

All major credit cards accepted for immediate purchase
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