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Oil field Gas lift mandrels for 2 7/8 tubing
1,The gas lift mandrels are installed as part of the tubing string.
2.It have an exterior ported lug that accepts a 1-in[25.4mm] OD or 1.5-in[38.1mm] OD gas lift valve and a reverse-flow check valve. GZT-series mandrels are designed for single-string installations and are normally used in injection-pressure-operated tubing flow applications.
This series of mandrels are internally hydro-statically tested to 8700psi[60MPa]
| NO. | Material | Model | Connecting thread | Length | Maximum diameter | Adapted gas lift valve | ||
| Upper internal thread | Bottom outside thread | O.D. | Connecting thread | |||||
| 1 | J55 or N80 | QQGT-1 | 2 3/8"TBG | 2 3/8"TBG | 4ft | 3 7/8" | 1" | ZG 1/2" |
| 2 | J55 or N80 | QQGT-2 | 2 3/8"UPTBG | 2 3/8"UPTBG | 4ft | 4" | 1" | ZG 1/2" |
| 3 | J55 or N80 | QQGT-3 | 2 7/8"TBG | 2 7/8"TBG | 4ft | 4 1/2" | 1" | ZG 1/2" |
| 4 | J55 or N80 | QQGT-4 | 2 7/8"UPTBG | 2 7/8"UPTBG | 4ft | 4 1/2" | 1" | ZG 1/2" |
| 5 | N80 | QQGT-5 | 1.9"UPTBG | 1.9"UPTBG | 4ft | 3 1/2" | 1" | ZG 1/2" |
| 6 | N80 | QQGT-6 | KG 1 9/16" | KG 1 9/16" | 36" | 2 3/4" | 5/8" | Z 1/4"NPT |







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