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API-7K Series Rotary Drilling Vibration Damping Hose

This high-performance drilling hose features a durable synthetic rubber inner layer, reinforced with high-strength steel wire, and a wear-resistant outer layer. Ideal for high-pressure mud pumping in oil drilling operations.
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Applications: Flexible connections between the top of the riser and the top drive/rotary device, and between the pump and the lower end of the riser, for high-pressure mud pumping in oil drilling and exploration operations.

Inner Layer: NR&SBR synthetic rubber/HNBR/UPE/PTFE

Inner Diameter Type: Full Flow

Reinforcement Layer: 2-6 layers of high-strength ultra-flexible steel wire or steel rope

Outer Layer: Wear-resistant, weather-resistant synthetic rubber

Temperature Range: -20°C to +121°C (-4°F to +250°F)

Standards: API Spec. 7K FSL 1 FSL 2 | ABS

Connector Type: Integral with nipples or integral flanges

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
1500 Grade A	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
	6	183	2000	3000	5000	1300	18
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
	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
	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