HIGH PULSE CONSTANT PRESSURE HYDRAULIC HOSE 621 SERIES

Structure: THE HOSE CONSISTS OF AN INNER TUBE, A STEEL WIRE BRAIDED OR SPIRAL REINFORCEMENT LAYER, AND AN OUTER COVER.

Application: SUITABLE FOR CONVEYING PETROLEUM-BASED HYDRAULIC FLUIDS SUCH AS ALCOHOL, HYDRAULIC OIL, LUBRICATING OIL, AND EMULSIONS, ETC. NOT SUITABLE FOR PHOSPHATE ESTER-BASED FLUIDS.

Working Temperature: -40℃ TO +120℃; FOR WATER MEDIUM: 0℃ TO +70℃.

Service Support: Selection guidance and after-sales technical support - call 137 2136 0724

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PRODUCT TYPE	AVAILABLE TYPES				INNER DIAMETER（ID） mm	HOSE OUTER DIAMETER mm	MAXIMUM WORKING PRESSURE W.P	MINIMUM BURST PRESSURE B.P	MINIMUM BENDING RADIUS Min.B.R
Part Number					max	Mpa	Mpa	mm	mm
621-6	AC	BC	CC	DC	6.4	12.2	22.5	90	50
621-8	AC	BC	CC	DC	7.9	13.7	22.5	90	55
621-10	AC	BC	CC	DC	9.5	16	22.5	90	65
621-13	AC	BC	CC	DC	12.7	20.2	22.5	90	90
621-16	AC	BC	CC	DC	15.9	23.6	22.5	90	100
621-19	AC	BC	CC	DC	19	29.4	22.5	90	120
621-25			CC	DC	25.4	37.8	22.5	90	300
621-32			CC	DC	31.8	44.4	22.5	90	460
621-38			CC	DC	38.1	52.5	22.5	90	560
621-51			CC	DC	50.8	67.2	22.5	90	630

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Why Choose YIBO

Factory-direct hydraulic & industrial hose — small trial orders and large volume both welcome.

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Free Samples

Test the quality before you place a bulk order.

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MOQ from 100 m

Start small to test the market — large volume orders are equally welcome.

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OEM & Custom Orders

Your brand, your specifications, your packaging — made to order.

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Ready Stock

Standard items in stock for fast dispatch when you need them urgently.

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Lead Time ~20 Days

Reliable production schedule, around 20 days from order to shipment.

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ISO 9001 & 70+ Patents

Own laboratory and full inspection equipment, with an ISO 9001 quality system.

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SAE / EN / DIN Standards

Produced and tested to GB/T, SAE, EN and DIN specifications.

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Exported to 30+ Countries

Experienced in international shipping and export documentation.

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1-Hour Reply, 24/7 & Free Consultation

Not sure which hose fits your machine? Our team helps you choose — free of charge. We reply within 1 hour, 24/7.

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Flexible Terms & 1-Year Warranty

30–50% deposit accepted, volume discounts, LCL / mixed container supported, 1-year warranty.