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LT301
API 7K——Rotary Drilling And Vibrator Hose
Application:flexible connection between the upper end of the standpipe and the top drive/swivel and between the pump and the lower end of the standpipe for pumping mud at high pressure in oil drilling and exploration work.

Inner Tube:NR&SBR sythentic rubber/HNBR/UPE/PTFE
Reinforcement:many layers of high tensile super flexible spiral steel wire or steel cable
Tube Type:full flow
Outer Layer:abrasion and weather resistant synthetic rubber
Temperature Range:-20℃~+121℃(-4℉~+250℉)
Connectors:ntegral union or integral flange
API 7K——Rotary Drilling And Vibrator Hose
Parameter
PRESSURE LEVEL I.D. O.D. W.P. P.P. Min.B.P. Min.B.R. Weight
psi in. mm psi psi psi mm kg/m
1500 Grade A 2 68 1500 2250 3750 800 4.3
2 1/2 84 1500 2250 3750 800 5.6
2000 Grade B 2 68 2000 3000 5000 800 4.3
2 1/2 84 2000 3000 5000 800 5.6
3 97 2000 3000 5000 950 6.5
3 1/2 113 2000 3000 5000 1000 8.5
4 127 2000 3000 5000 1000 10.4
5 157 2000 3000 5000 1200 14.0
6 183 2000 3000 5000 1300 18.0
4000 Grade C 2 72 4000 6000 10000 800 6.4
2 1/2 87 4000 6000 10000 800 8.7
3 102 4000 6000 10000 1000 11.1
3 1/2 119 4000 6000 10000 1200 14.4
4 132 4000 6000 10000 1200 16.0
5 162 4000 6000 10000 1400 24.5
6 194 4000 6000 10000 1500 33
5000 Grade D 2 75 5000 7500 12500 800 6.4
2 1/2 90 5000 7500 12500 800 8.7
3 104 5000 7500 12500 1000 11.1
3 1/2 121 5000 7500 12500 1200 14.4
4 134 5000 7500 12500 1200 16.0
5 167 5000 7500 12500 1400 24.5
6 196 5000 7500 12500 1600 33
7500 Grade E 2 77 7500 11250 18750 900 8.5
2 1/2 94 7500 11250 18750 1000 10.5
3 110 7500 11250 18750 1000 18.5
3 1/2 128 7500 11250 18750 1200 20
4 150 7500 11250 18750 1400 30
5 183 7500 11250 18750 1600 49
6 212 7500 11250 18750 1600 60
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