Section Valve Number Description Outer Diameter Inner Diameter Connection View File
 1  GM23   1 3/4" OD Safety Valve  1.750  0.500  Tool Joint Conn.  GM23-100
 2  GM64  2 1/2" OD Safety Valve  2.500  0.937  1" Hydril CS  GM64-100
 3  GM65  3 5/8" OD Safety Valve  3.625  1.218  1 1/4" Hydril CS  GM65-100
 4  GM66  4 1/2" OD Safety Valve  4.500  1.995 2 3/8 EUE 8 Round  GM66-100
 4  GM66B  4 1/2" OD Safety Valve  4.500  1.805  2 3/8 PH-6  GM66B100
 4  GM66C  4 1/2" OD Safety Valve  4.500  1.995  2 3/8 CS  GM66C100
 5  GM67  4 11/16" OD Safety Valve  4.688  2.125  2 7/8 IF  GM67-100
 6  GM68  4 7/8" OD Safety Valve  4.875  2.437  2 7/8 EUE 8 Round  GM68-100
 6  GM68B  4 7/8" OD Safety Valve  4.875  2.265  2 7/8 PH-6  GM68B100
 6  GM68C  4 7/8" OD Safety Valve  4.875  2.375  2 7/8 CS  GM68C100
 6  GM68D  4 7/8" OD Safety Valve  4.875  2.250  2 7/8 EUE 8 Round  GM68D100
 7  GM69  5" OD Safety Valve  5.000  2.000  3 1/2 IF   GM69-100
 8  GM70  6 3/8" OD Safety Valve  6.375  2.687  3 1/2 IF  GM70-100
 9  GM71  7" OD Safety Valve  7.000  3.000  3 1/2 EUE 8 Round  GM71-100
 10  GM72  7 1/2" OD Safety Valve  7.500  3.250  4 1/2 IF  GM72-100
 11  G162  8 1/4" OD Safety Valve  8.250  3.985  4 1/2 EUE 8 Round  G162-100
 11  G162B  8 1/4" OD Safety Valve  8.250  3.765  4 1/2 PH-6  G162B100
 11  G162C  8 1/4" OD Safety Valve  8.250  3.865  4 1/2 CS  G162C100
 12  G148B  10 1/4" OD Two Piece G-Low Torque Kelly Valve  10.250  4.875  5 1/2 LTC (8 Rd)  G148B100