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Grinnell grooved products have a 10-year limited warranty for most products, except for the G-MINE line of products, which are warranted for six months. The company’s fire protection products comprise rigid and flexible couplings, full and short pattern grooved elbows and tees, and a variety of valves and accessories. [2]
Grinnell improved Parmalee's first practical automatic sprinkler and patented his own Grinnell sprinkler in 1882. [5] Continual improvements resulted in the glass disc sprinkler in 1890. With slight modifications, this sprinkler head is still used in modern fire sprinkler systems ; sprinklers are even called le Grinnells in France. [ 6 ]
There are two main types of clevis pins: threaded and unthreaded. Unthreaded clevis pins have a domed head at one end and a cross-hole at the other end. A cotter pin (US usage) or split pin is used to keep the clevis pin in place. Threaded clevis pins have a partially threaded shank on one end and a formed head on the other.
In 2001, Grinnell Fire Protection was merged with the Simplex Time Recorder Company to form SimplexGrinnell, which is the largest fire protection company in the world. ITT Grinnell supporting products are still sold today by Anvil International in the US and PSS in Germany. Grinnell was a director of several banks and manufacturing companies.
Grinnell (surname) Grinnell Mutual, an Iowa, US-based reinsurance company; Grinnell, Minturn & Co, a 19th-century American shipping company; Grinnell (automobile), an electric car made in Detroit, Michigan between 1910 and 1913. Grinnell fish, otherwise known as a Bowfin; Grinnell Mechanical Products and SimplexGrinnell, subsidiaries of Tyco ...
The company adopted the “Grinnell Mutual” and “Grinnell Re" brands in 2017. In 2014, Grinnell Mutual was one of first six companies investing in the Global Insurance Accelerator, [5] [6] the first startup accelerator for insurtech. In response to the COVID-19 pandemic, Grinnell Mutual announced the Trust in Tomorrow Premium Payback. [7]
The company was founded ca. 1815 as Fish, Grinnell & Co. (the senior partner of which had the memorable, if improbable, name of Preserved Fish (1766–1846)); the Grinnell was his cousin Joseph Grinnell, one of six sons of a shipper and merchant in New Bedford, Massachusetts.
Grinnell Regional Airport covers an area of 115 acres (46.5 ha) at an elevation of 1008 feet (307 m) above mean sea level.It has one runway: 13/31 is 5,200 by 75 feet (1,585 x 23 m) with a grooved concrete surface, it also has approved precision instrument approaches.