API 7K Rotary & Vibrator Hose

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The rotary drilling hose is suitable for flexible connection between the top of the drilling riser and the swivel which can move vertically. It resists corrosion of hydrogen sulfide and can deliver water, oil, mud high‐pressure media.Working pressure from

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Applications:
Flexible connection between standpipe and swivel (rotary drilling) or between pump and standpipe (rotary vibrator) for pumping mud at extra high pressure in oil drilling and exploration work.Hoses can be used for Gas, Air and Foam drilling.Meets the sever
Composition:
Cover NBR/PVC Blends Reinforcement Multiple layers of single high strength steel wire spiraled Tube NBR,HNBR OR PTFE According to customer's requirements
Reference:
Working Pressure From 3500 PSI to 20000 PSI Temperature range -40°C +120°C

Parameter:

size	min ID	pressure
size	min ID	35MPa	52MPa	70MPa	105MPa
2”	Φ38 Φ50	√	√	√	√
2 1/2’’	Φ50 Φ60	√	√	√	√
3”	Φ60 Φ74	√	√	√	√
3 1/2’’	Φ68 Φ87	√	√	√
4”	Φ78 Φ100	√	√	√
5”	Φ100 Φ124	√	√
6”	Φ126 Φ150	√
最小爆破值		工作压力的2.5倍		工作压力的2.25倍