Keystone Bottleneck Elevators (Drill Pipe)
Keystone G-Series are Bottleneck Elevators. These drill pipe elevators are designed for drill pipe with an 18 deg. taper. They are available in five types, MG 100-ton, RG 150-ton, MGG 250-ton, and GG 350-ton, and HGG 500-ton. They cover pipe sizes from 2 3/8” – 5 7/8”. The MGG and GG models can be fitted with a special wear bushing in the bottom to help reduce bore wear when used with Top Drive systems.