Plastic Valves Full Listing and CAD Files

A complete line of thermoplastic valves, designed and engineered for easy operation and trouble-free service in the harshest environments.

Butterfly Valve Flange Contractor Kit

Includes PVC Butterfly Valve, Two Lasco PVC Van-stone Flanges, and Bolt kit. All packed in one heavy-duty corrugated carton for delivery to jobsite.

Eliminate Water Hammer with Slo-Close Valves

Patented thermoplastic gear driven operating nut rotates 360° to achieve a 90° turn of the ball. The result is slow closure and the elimination of water hammer, while maintaining the positive shut- off and reliable service of a ball valve.


High pressure capacity makes this a robust piping solution for commercial, industrial, agricultural and irrigation applications.

  WARNING: Cancer and Reproductive Harm –

Certified to ISO 9001:2015

Colonial Engineering, Inc.
6400 Corporate Ave
Portage, MI 49002


Customer Service (toll-free):

National order fax (toll-free):
or 269-323-0630

USFCR Verified Vendor