The Parker 721 family of hoses pushes the envelope in high-pressure applications where space is tight. Critical high-pressure applications in limited spaces calls for 721 hose. With its one-half SAE 100R12 minimum bend radius and abrasion resistant cover offering, 721 hose enables you to use less hose while guarding against hose-to-hose and hose-to-object abrasion. No matter how demanding the environment, 721 hose will keep your equipment working hard.
Part Number |
Hose I.D. |
Hose O.D. |
Working Pressure |
Minimum Bend Radius |
Weight |
Parkrimp |
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# | inch | mm | inch | mm | psi | MPa | inch | mm | lbs/ft | kg/m | (PDF) |
721ST-8 | 1/2 | 12,5 | 0.94 | 24 | 4000 | 28,0 | 3-1/2 | 90 | 0.54 | 0,80 | 71 Series |
721ST-10 | 5/8 | 16 | 1.08 | 27 | 4000 | 28,0 | 4 | 100 | 0.74 | 1,10 | 71 Series |
721ST-12 | 3/4 | 19 | 1.21 | 31 | 4000 | 28,0 | 4-3/4 | 120 | 0.94 | 1,40 | 71 Series |
721ST-16 | 1 | 25 | 1.50 | 38 | 4000 | 28,0 | 6 | 150 | 1.34 | 1,99 | 71 Series |
721ST-20 | 1-1/4 | 31,5 | 1.84 | 46 | 3000 | 21,0 | 8-1/4 | 210 | 1.74 | 2,59 | 71 Series |
Performance Characteristics | |
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Application | Petroleum base hydraulic fluids and lubricating oils |
Inner Tube | Synthetic rubber |
Reinforcement | Four spiral steel wire |
Cover | Synthetic rubber abrasion resistant, MSHA accepted |
Temperature Range | -40°F to +257°F (-40°C to +125°C) |
Fittings | 71 Series (PDF) |