API 7K——Rotary Drilling And Vibrator Hose

API 7K——Rotary Drilling And Vibrator Hose

LT301

  • 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
  • Tube:NR&SBRsythentic rubber/HNBR/UPE
  • Reinforcement:2-6 layers of high tensile super flexible spiral steel wire or steel cable
  • Cover:abrasion and weather resistant synthetic rubber
  • Temperature Range:-20℃~+82℃(-4℉~+179.6℉) -55℃~+150℃(-67℉~+302℉)
  • Standard:API Spec. 7K FSL 1 FSL 2 | ABS
  • Connectors:integral union or integral flange
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PRESSURE LEVEL I.D. O.D. W.P. P.P. Min.B.P.
Min.B.R.
psi in. mm psi psi psi mm
1500
A级Grade A
2 68 1500 2250 3750 800
2 1/2 84 1500 2250 3750 800
2000
Grade B
2 68 2000 3000 5000 800
2 1/2 84 2000 3000 5000 800
3 97 2000 3000 5000 950
3 1/2 113 2000 3000 5000 1000
4 127 2000 3000 5000 1000
5 157 2000 3000 5000 1200
6 183 2000 3000 5000 1300
4000
Grade C
2 72 4000 6000 10000 800
2 1/2 87 4000 6000 10000 800
3 102 4000 6000 10000 1000
3 1/2 119 4000 6000 10000 1200
4 132 4000 6000 10000 1200
5 162 4000 6000 10000 1400
6 194 4000 6000 10000 1500
5000
D级Grade D
2 75 5000 7500 12500 800
2 1/2 90 5000 7500 12500 800
3 104 5000 7500 12500 1000
3 1/2 121 5000 7500 12500 1200
4 134 5000 7500 12500 1200
5 167 5000 7500 12500 1400
6 196 5000 7500 12500 1600
7500
Grade E
2 77 7500 11250 18750 900
2 1/2 94 7500 11250 18750 1000
3 110 7500 11250 18750 1000
3 1/2 128 7500 11250 18750 1200
4 150 7500 11250 18750 1400
5 183 7500 11250 18750 1600
6 212 7500 11250 18750 1600

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