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复杂难懂的SAE标准

RonWang4年前 (2019-11-15)工业技术343

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The Complicated World of SAE Standards

   Hydraulic hose construction and performance is covered by various national and international standards including ISO, BSI, SAE, DIN, API and CETOP. Most proprietary hoses conform to one standard or another, the SAE standards being the most widely followed. SAE standards provides general, dimensional and performance specifications for the most common hoses used in hydraulic systems on mobile and stationary equipment.

SAE is based on construction technique and material of hydraulic hose. The various application parameters required when selecting hose are size, temperature, fluid type and pressure, to name a few. Depending on these criteria, the choice of hose construction will change to suit the conditions. The majority of hydraulic machines are not exotic, and typically your standard 100R1 or 100R2 ("1-wire" and "2-wire" respectively) hoses are appropriate. When extreme pressures and exotic fluids come into play, however, the options for suitable hose are reduced.

Each of the hydraulic hose styles below must meet a set of dimensional and performance characteristics as set forth by SAE, and they are designated as 100R1 through 100R19.  However, SAE issues no approval source lists, certification, or letters of approval-conformance to these standards by manufacturers is strictly voluntary. In short, the standards only assure a similarity of products among different manufacturers. 

SAE standard hydraulic hose type / application
StandardHydraulicTemperature RangeDiameter RangeMax. OperatingProof pressureMin. burst Rressure Min. bend radius
SAE Fluids ⁰FI.D. inRange (psi)in
100R1
Steel wire reinforced, rubber coated
 Petroleum & water based-40 to +2123/16 to 2575 to 3,2501150 to 6,5002,300 to 13,0003.5 to 25
100R2
High pressure steel wire, reinforced rubber cover – Hydraulic
 Petroleum & water based-40 to +2123/16 to 21,150 to 6,0002250 to 12,0004,500 to 24,0003.5 to 25
100R3
Double fiber, braid rubber cover – High temp, low pressure hydraulic
 Petroleum & water based-40 to +2123/16 to 1-1/4375 to 1,500750 to 3,0001,500 to 6,0003 to 10
100R4
Wire inserted, hydraulic suction and return
 Petroleum & water based-40 to +2123/4 to 435 to 30070 to 600140 to 1,2005 to 24
100R5
Single wire braid, textile cover – Transportation/DOT hose
 Petroleum & water based-40 to +2123/16 to 3-1/16200 to 3,000400 to 6,000800 to 12,0003 to 33
100R6
Single fiber braid, rubber cover – Transportation
 Petroleum & water based-40 to +2123/16 to 3/4300 to 500600 to 1,0001,200 to 2,0002 to 6
100R7
Single fiber braid, thermoplastic – Hydraulic
 Petroleum, water based & synthetic-40 to +2121/8 to 11,000 to 3,0002,000 to 6,000 4,000 to 12,0001 to 12
100R8
High pressure, thermoplastic - Hydraulic
 Petroleum, water based & synthetic-40 to +2121/8 to 12,000 to 6,0004,000 to 12,0008,000 to 24,0001 to 12
100R9: This hose has been removed from the SAE standard.
100R10: This hose has been removed from the SAE standard.
100R11: This hose has been removed from the SAE standard.
100R12
Heavy duty, high impulse, four-spiral wire reinforced, rubber cover – Hydraulic
 Petroleum & water based-40 to +2503/8 to 22,500 to 4,0005,000 to 8,00010,000 to 16,0005 to 25
100R13
Heavy duty, high impulse, four- & six-spiral steel wire reinforced, rubber cover – Hydraulic
 Petroleum & water based-40 to +2503/4 to 25,00010,00020,0009.5 to 25
100R14
High temperature, corrosive fluids, Polytetrafluorethylene (PTFE)-lined hydraulic hose, single-stainless steel braid
 Petroleum, water based & synthetic-65 to +4003/16 to 1-1/4600 to 1,5001,200 to 6,0002,500 to 12,0001.5 to 16
100R15
Heavy duty, ultra-high pressure, six-spiral steel wire reinforced, rubber cover – Hydraulic                      
 Petroleum based-40 to +2503/8 to 1-1/26,00012,00024,0006 to 21
100R16
Compact, high pressure, two-braided wire reinforced rubber cover  – Hydraulic hose cover   
 Petroleum & water based-40 to +2121/4 to 1-1/41,800 to 5,8003,600 to 11,6007,200 to 23,2002 to 8
100R17
Compact, maximum operating pressure, one- and two-steel braided wire reinforced rubber cover – Hydraulic
 Petroleum & water based-40 to +2123/16 to 13,0006,00012,0002 to 6
100R18
Thermoplastic, synthetic-fiber reinforcement, and a hydraulic fluid & weather-resistant thermoplastic cover – Hydraulic
 Petroleum, water-based, synthetic-40 to +2121/8 to 13,0006,00012,0001 to 10
100R19
Compact, maximum operating pressure, one- and two-braided steel wire, reinforced rubber cover – Hydraulic       
 Petroleum & water based-40 to +2123/16 to 14,0008,00016,0002 to 6


Raise your expectations and think beyond SAE standards

When comparing hose manufacturers, you need to consider products that exceed the SAE minimum performance but also meet or exceed additional certifications such as ISO to maximize performance, hose life, and production costs. Parker Hose Products Division has a full line of hydraulic hoses designed for one-half SAE bend radius at full SAE pressure, which exceeds the minimum bend radius. For example, the bend radius of Parker’s 797 hydraulic hose is half of SAE’s 100R1, 100R2, 100R4, 100R12 and 100R13 minimum requirement, which reduces hose length requirements by up to 47%. The tighter bend radius means fewer bent tube fittings and longer life in applications where machinery movement causes hoses to bend sharply. It also means reduced inventory requirements. Another example of exceeding SAE standards is Parker’s 787 hose that has nearly 30% smaller O.D. by area than SAE spiral. The compact design reduces the weight of the hose as well as footprint.

For lower pressure applications, consider Parker’s 387 (3,000 psi), 487 (4,000) and 722 (4,000 psi) hoses that exceed performance requirements of both SAE and ISO.

Not sure what the difference is between SAE and ISO standards?

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