TYCO Series ELO-231FRB 11.2K Quick
Response, Standard Coverage, Upright
and Pendent Sprinklers (Ref. Figure 1)
are automatic sprinklers of the frangible
bulb type. They are quick response
spray sprinklers that produce a hemispherical
water distribution pattern
below the deflector.
Note: Some sprinkler head may or may not have Teflon tape applied. The heads have never been installed.