A Series
Keystone “A” series elevators come in two types, “TMA” 100-ton, and “MRA” 175-ton and cover pipe sizes 2 3/8” – 5 1/2”.
G Series
Keystone “G” series elevators come in four types, “MG” 100-ton, “RG” 150-ton, “MGG” 250-ton, “GG” 350-ton, and the “HGG” 500-ton and cover pipe sizes from 2 3/8” – 6 5/8”. The “MGG”, “GG”, and “HGG” models can be fitted with a special wear bushing in the bottom to help reduce bore wear when used with Top Drive systems.
Y Series
Keystone “Y” series slip type elevators come in four types the 40-ton “MYT”, 75-ton “YT”, 150-ton “HYT”, and the 75-ton “YC”. Tubular sizes covered are from “3/4” – 7”. All slip backs and die slots on Keystone slips are precision machined to insure proper grip and to prevent bottlenecking or slip cuts to the pipe.
SLX Series
Keystone “SLX” Elevators are rated at 65, 150, and 250-tons and come in sizes from 4 1/2” – 20”. The ears on the 150 and 250-ton are designed so the elevator can rotate freely in the bails when used for picking up or laying down pipe.
Single Joint Elevators
The Keystone “SJ” series single-joint elevator is rated for 7.5 tons. The elevator can be bored to accommodate 18 degree tapered drill-pipe or square-shoulder casing and tubing.
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