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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Field modification can be handled easily with minimal effort due to the frinnell of the grooved method. InFrederick Grinnella Massachusetts-born engineer, purchased a controlling interest in Providence Steam and Gas and became its president.

Grinnell shareholders backed the merger in Augustdespite the Justice Department’s decision to oppose it on antitrust grounds. Grinnell Mechanical Products Type.

Tyco Grinnell Grooved Fitting, for Fire Protection

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.

The coupling housings are designed to engage into the grooves and provide a secure joint. Through the next few decades, Grinnell sprinklers were installed in thousands of buildings and were credited with saving thousands of lives. Grinnell Mechanical Products offers mechanical services used for supporting engineering and design. The predecessor for Grinnell Corp. This site uses cookies to offer you a better browsing experience. Grinnell Mechanical Products specializes in mechanical, fire, HVAC, commercial, mining, institutional and industrial applications.

Ina consent judgment required ITT to divest itself of Grinnell’s fire-protection division and Grinnell’s share in Hajoca by September 24, The pipe ends are sealed by a pressure responsive gasket that is encapsulated by the ductile iron housing. 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.


Lansdale, PennsylvaniaU. This page was last edited on 7 Septemberat Fire protection was a new science in this time period and depended on manually turning on the sprinklers.

ADT Security Servicesmanufacturer of electrical supervisory and alarm systems for protection against fire, burglary, holdup, and other hazards.

From Wikipedia, the free encyclopedia. To improve the quality of its iron castings, Fttings Fire Extinguisher established its own foundry and shops in Cranston, Rhode Islandopening the operation in The aesthetics of the pre-fabricated insulation with the economics of the grooved methods provide the installer a significant advantage. However, this field of business accounted for only about 20 percent of Grinnell’s annual sales ifttings and profits, with plumbing supplies and fixtures being responsible for most of the rest.

Grinnell Mechanical Services include shop drawings, pump assemblies and equipment connections, cost comparisons, crate and tag handling, thermal movement analyses, CAD blocks and families, and training services. 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. Grinnell grooved products are used in various industries because they are historically more efficient than flanged, welded, and threaded pipe joining methods.

We are strictly an industrial supplier.

When ITT was unable to receive what it considered an acceptable bid for the fire-protection unit the concern was turned over to a court-appointed trustee. Grinnell acquired a controlling interest in American District Telegraph Co. Retrieved from ” https: The benefit of flexibility can minimize or eliminate the need for expansion joints.

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GRINNELL | Asia Pacific | Grooved Fittings

They eventually grew to offer pipe fitting and plumbing services. The company specialized in gas main installations, putting in the original gas fittongs in Rhode Island. Fire permits are not required and building residents do not have to evacuate due to welding fumes.

Dependability The coupling housings are gginnell to engage into the futtings and provide a secure joint. Rigid couplings provide for joints which are comparable to pipe jointing such as welding and flanging. These include 2D and 3D drawings for the mechanical room and design suggestions and easy to follow installation drawings with legends for each pump. Frederick Grinnell took out some 40 patents for improvements and also invented a dry-pipe valve and automatic fire-alarm system. Tyco International Manufacturing companies established in establishments in Rhode Island Manufacturing companies based in Pennsylvania mergers and acquisitions.

Further, Grinnell stock was trading at nearly triple the value. 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. There is no need for two holing with flanges, and the potential of fire hazards is eliminated when compared to welding.

Views Read Edit View history. InGrinnell patented an improved, more sensitive sprinkling system. Going into the mids, Grinnell Corp. By using this site, you agree to the Terms of Use and Privacy Policy. Pentair valve and control through an all-stock merger, [6] took operational control over the valve manufacturing and distribution from Grinnell Mechanical Products. Grinnell grooved products became one of Tyco’s leading manufacturing units.

InHenry S.