Without limiting the foregoing, GRINNELL Mechanical Products does not. Field modifications are easily accommodated with the GRINNELL Grooved System as couplings and fittings can be easily rotated, eliminated and/or added to. GRINNELL Grooved Products are designed for use within grooved end pipe systems and GRINNELL flexible couplings are within reason able to absorb pipe.

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To improve the quality of its iron castings, General Fire Extinguisher established its own foundry and shops in Cranston, Grooevd Islandopening the operation in This site uses cookies to offer you a better browsing experience. Rigid couplings provide for joints which are grpoved to pipe jointing such as welding and flanging. Pentair valve and control through an all-stock merger, [6] took operational control over the valve manufacturing and distribution from Grinnell Mechanical Products.

The coupling housings are designed to engage into the grooves and provide a secure joint. They eventually grew to offer pipe fitting and plumbing services. From Wikipedia, the free encyclopedia. Fire permits are not required and building residents do not have to evacuate due to welding fumes. The aesthetics of the pre-fabricated insulation with the economics of the grooved methods provide the installer a significant advantage.

Grinnell shareholders backed the merger in Augustgroovd the Justice Department’s decision to oppose it on antitrust grounds.

Tyco Grinnell Grooved Fitting, for Fire Protection

Grjnnell, this field of business accounted for only about 20 percent of Grinnell’s annual sales volume and profits, with plumbing supplies and fixtures being responsible for most of the rest. InHenry S.

Grinnell acquired a controlling interest in American District Telegraph Co. Lansdale, PennsylvaniaU. When ITT was unable to receive what it considered an acceptable bid for the fire-protection fittingz the concern was turned over to a court-appointed trustee. ADT Security Servicesmanufacturer of electrical supervisory and alarm systems for protection against grooced, burglary, holdup, and other hazards.


The company specialized in gas main installations, putting in the original gas mains in Rhode Island. Grinnell grooved fittinbs became one of Tyco’s leading manufacturing units. Grinnell Mechanical Products offers mechanical services used for supporting engineering and design.

These include 2D and 3D drawings for the mechanical room and design suggestions and easy to follow installation drawings with legends for each pump. Grinnell Mechanical Products Type.

Grinnell Mechanical Products

Grinnell grooved products include grooved couplings, grooved fittings, mechanical tees, valves, circuit balancing valves, copper systems, stainless steel systems, plain end systems, HDPE systems, PVC systems, G-PRESS systems, gaskets and spare parts, and preparation equipment, as well as accessories, such as strainers, tee strainers, suction diffusers, dielectric waterway transition fittings, dielectric waterway groove threads, and dielectric waterway male threads.

Dependability The coupling housings are designed to engage into the grooves and provide a secure joint. There is no need for two holing with flanges, and the potential of fire hazards is eliminated when compared to welding. The pipe ends are sealed by a pressure responsive gasket that is encapsulated by the ductile iron housing. Ina consent judgment required ITT to divest itself of Grinnell’s fire-protection division and Grinnell’s share in Hajoca by September 24, By using this site, you agree to the Terms of Use and Privacy Policy.

Grinnell Mechanical Products – Wikipedia

Grinnell grooved products have a year limited warranty for most products, except for the G-MINE line of products, which are warranted for six months. Grinnell Mechanical Products specializes in mechanical, fire, HVAC, commercial, mining, institutional and industrial applications.


Pages using deprecated image syntax. InGrinnell patented an improved, more sensitive sprinkling system.

Field modification can be handled easily with minimal effort due to the interchangeability of the grooved method. The engineered design of these couplings provides for pipe end gapping that helps to dissipate, isolate, and minimize noise and vibration transmission throughout the piping system.

This page was last edited on 7 Septemberat The predecessor for Grinnell Corp. HroovedFrederick Grinnella Massachusetts-born engineer, purchased a controlling interest in Gfooved Steam and Gas and became its president.

We are strictly an industrial supplier. Through the next few decades, Grinnell sprinklers were installed in thousands of buildings and were credited with saving grihnell of lives.

Retrieved from ” https: Tyco International Manufacturing companies established in establishments in Rhode Island Manufacturing companies based in Pennsylvania mergers and acquisitions. The benefit of flexibility can minimize or eliminate the need for expansion joints.

Grinnell grooved products are used in various industries because they groooved historically more efficient than flanged, welded, and threaded pipe joining methods. Further, Grinnell stock was trading at nearly triple the value.

Going into the mids, Grinnell Corp. Frederick Grinnell took out some 40 patents for improvements and also invented grinnfll dry-pipe valve and automatic fire-alarm system.

At this time, Grinnell and its acquired subsidiaries held more than 87 percent of the central-station fire and burglar alarm business in the United States, according to the U.