Commercial Industrial Supply is a supplier and distributor of residential and commercial plumbing supplies and pipe, valves and fittings in the U.S. We also have the ability to serve customer globally. The company is also a major distributor of pipeline strainers, commercial filtration,... Read More
Kraissl Co. was the first to develop duplex 3-way (6-port) transfer valves with standardized port connections for external equipment. These tapered plug-type models were adapted from Kraissl's duplex strainer designs. Read More