1、_SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising theref
2、rom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions.Copyright 2013 SAE International All rights reserved. No part of this pub
3、lication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970
4、(outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AS1501CAEROSPACESTANDARDAS1501 REV. C Issued 1978-11 Revised 1994-04 Reaffirmed 2013
5、-01 Superseding AS1501B Hose, Air Duct, Flexible, Nonmetallic, Aircraft RATIONALEAS1501C has been reaffirmed to comply with the SAE five-year review policy. SAE AS1501C Page 2 of 25 1.3 Forms: The hose shall be wire reinforced in one of the following forms: a. Form 1: Helical- wire (metallic or nonm
6、etallic) reinforcement which can be axially compressed, but not elongated beyond its free length. b. Form 2: Helical convoluted- Wire (metallic) reinforcement, if specified, which can be axially compressed and elongated. c. Form 3: Annular convoluted- Wire ring reinforcement if required for pressure
7、, which can be axially compressed and elongated. d. Form 4: Sleeve- No reinforcement other than fabric which cannot be axially compressed or elongated. 2. REFERENCES: 2.1 Applicable Documents: The following publications, of the issue in effect on the date of invitation for bids or request for propos
8、al, form a part of this document to the extent specified herein. 2.1.1 SAE Publications: Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. AS1241 AS1502 AS1503 AS1504 AS1505 AS1506 AS1541 AS1542 AS1543 AS1544 AS1591 AS4546 (R) AS4774 (R) AS4804 Fire Resistant Hydraulic Fluid for
9、 Aircraft Hose, Air Duct, Flexible, Helical, Metallic Wire Supported (Exposed), Self Extinguishing Hose, Air Duct, Flexible, Helical, Metallic Wire Supported (Covered), Self Extinguishing Hose, Air Duct, Flexible, Helical, Nonmetallic Wire Supported (Exposed), Self Extinguishing Hose, Air Duct, Flex
10、ible, Annular Convoluted, Self Extinguishing Hose, Air Duct, Semiflexible, Sleeve Section, Unreinforced, Self Extinguishing Hose, Air Duct, Flexible, Helical Convoluted, Metallic Wire Supported (Covered), Self Extinguishing Hose, Air Duct, Flexible, Helical Convoluted, Self Extinguishing Hose, Air D
11、uct, Semiflexible, Sleeve Section Unreinforced, Self Extinguishing, Nomex Hose, Air Duct, Flexible, Helical, Nonmetallic Wire Supported (Covered), Silicone Rubber, Self Extinguishing Hose, Air Duct, Flexible, Polyurethane Coated Nylon Fabric, External Nylon Helix, Self Extinguishing Hose, Air Duct,
12、Flexible, Silicone Coated Fabric, External Nylon Helix, Self Extinguishing Hose, Air Duct, Flexible, Silicone Coated Fabric, 1 psi, External Nylon Helix, Self Extinguishing Hose Air Duct, Flexible, Silicone Coated Fabric, External Nylon Helix, Low Noise SAE AS1501C Page 3 of 25 2.1.2 ASTM Publicatio
13、ns: Available from American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103-1187. ASTM A 853 Wire, Steel, Carbon (Round, Bare, and Coated) ASTM B 194 Copper-Beryllium Alloy Plate, Sheet, Strip and Rolled Bar (Copper Alloy Numbers 170 and 172) ASTM B 117 Salt Spray (Fog) T
14、esting, Method of Test for (ANSI Z118.1-7 4) ASTM A 313 Chromium Nickel Stainless and Heat Resisting Steel, Spring Wire 2.1.3 AlA Publication: Available from Aerospace Industries Association, 1250 Eye Street NW, Washington, DC 20005. NAS1922 Clamp, Hose, Band, Tangential Worm, Lightvveight 2.1.4 U.S
15、. Government Publications: Available from DODSSP Subscription Services Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094. (R) FAR 25.853 QQ-P-35 QQ-A-250/4 QQ-P-416 TT-1-735 TT-S-735 MIL-Y-1140 MIL-P-5425 MIL-H-5606 MIL-T-5624 MIL-L-6082 MIL-L-6085 MIL-L-7808 MIL-S-18729 MIL-L-23699
16、 MIL-STD-100 MIL-STD-129 MIL-STD-130 MIL-STD-810 MS21920 MS33660 MS35842 3. REQUIREMENTS: 3. 1 Qualification: Federal Aviation Regulation, Volume Ill, Part 25 Passivation Treatments for Corrosion-Resisting Steel Aluminum Alloy, Plate and Sheet, 2024 Plating, Cadmium (Eiectrodeposited) Fluid, Anti-Ic
17、ing (Isopropyl Alcohol) Standard Test Fluids, Hydrocarbon Yarn, Cord, Sleeving, Cloth, and Tape-Glass Plastic, Sheet Acrylic, Heat Resistant Hydraulic Fluid, Petroleum Base; Aircraft, Missile, and Ordnance Turbine Fuel, Aviation, Grades JP-4 and JP-5 Lubricating Oil, Aircraft Reciprocating Engine (P
18、iston) Lubricating Oil, Aircraft Instrument, Low Volatility Lubricating Oil, Aircraft Turbine Engine, Synthetic Base Steel Plate, Sheet and Strip, Alloy 4130, Aircraft Quality Lubricating Oil, Aircraft Turbine Engine, Synthetic Base Engineering Drawing Practices Marking for Shipment and Storage Iden
19、tification Marking of U.S. Military Property Environmental Test Methods Clamp, Hose (Flat Band, 500 oF) Tubing End, Hose Connection, Standard Dimensions For Clamp, Hose: Low Pressure, Type “F“ Any hose assembly furnished under this document shall be a product identical in construction to the specime
20、ns which have been tested and passed the qualification tests specified herein. SAE AS1501C Page 4 of 25 3.2 Materials: The hose assembly materials shall be uniform in quality, free from defects, suitable for its intended use, consistent with good manufacturing practices, and in conformance with the
21、applicable specifications and requirements specified herein. Materials used in these hose assemblies shall be selected from those listed in Table 3. 3.3 Design and Construction: (R) Hose furnished under this document shall be in accordance with requirements of AS1502, AS1503, AS1504, AS1505, AS1506,
22、 AS1541 , AS1542, AS1543, AS1544, (R) AS1591, AS4546, AS4774, and AS4804 and shall comply with the grades of construction and forms of manufacture as specified on the individual standards. 3.3.1 Soft End Couplings (Cuffs): Soft end couplings (cuffs) shall be formed by omitting the reinforcement wire
23、 (metallic or nonmetallic) from the end portion of the hose. See 3.3.3 for termination of wire ends. The inner layer of fabric of the hose shall be continuous for the entire length of the hose and couplings. The soft ends shall have sufficient resilience for a snug fit over a rigid tube end conformi
24、ng to Type A of MS33660 but shall be resistant to flow deformation to prevent clamp loosening and hose blow-off during service. 3.3.1.1 Cuff External Configuration: For high pressure hose assemblies, a bead shall be added to the soft ends when specified on applicable standard or drawing. The width o
25、f the bead shall be 0. 12 or 0. 19 in for hose diameters 4.00 in and smaller and 0.25 to 0.38 in for hose diameters 4.25 in and larger. Height of the bead shall be 0.04 in minimum above the cuff with shape optional. 3. 3.1. 2 Cuff Internal Configuration: Internally molded seal rings shall be added t
26、o soft ends when specified on standard or drawing to reduce joint leakage. 3.3.2 Cut Ends: Cut or plain ends shall be the same as the hose body. Reinforcement wire (metal or nonmetallic) ends shall be crimped and/or terminated in such a manner as to prevent damage to the hose. Cut ends shall be used
27、 to a minimum extent possible and shall be used in lower pressure systems and where higher joint leakage can be tolerated. SAE AS1501C Page 5 of 25 (R) TABLE 2 - Hose Assembly Data IVI3XIffiUffi Maximum Minimum Crush Maximum total joint Available Construction weight, inside bend resistance hose leak
28、age, leakage, 131 141 types lb/ftlin dia radius, in SCFMAt/in dia SCFM/in hose dia Form 1, helical (ref. AS1502) _Fiberglass cord 161 0.10 0.50 x hose ID N/A O.Q2 0.20 6 N/A 1_; Impregnated . . fiberglass Metallic Wll“e Form 1, helical (ref. A$1504) (3.25-in 10 and over) 161 0.07 2.0x /5/ 0.02 0. 10
29、 6 N/A I Grades hose ID A andB lm fiberglass wire Form 1, helical (ref. A$1504) (3.00-in 10 and under) 161 L Fiberglass cord (optional) O.D7 /5/ 0.02 0. 10 6 N/A I t:ll“- - - . Grades 1.0x (R) l “ 11 J A and B hose ID mpregnat .: Nonme1alliclk nberglass wire Form 1, helical (ref. AS1503) 0.16 0.01 -
30、Fiberglass cord 161 Grades A andB .r-:- - . . 0.12 1.0x N/A 0.02 0. 10 6 N/A 1 : Cand D I (R) :fu, Impregnated 0.20 0.02 fiberglass Metallic wire Grades I multi laver Eand F Form 1, helical (ref. AS1591) f Nonme1alllc wire .042 Size 2.56.0 .075x /5/ O.D15 0. 10 6 N/A Ill /9/ hose ID ; 1-.gnald nylon
31、 7 Grade A (R) Form 1, helical (ref. AS4546) .051 Nonmetallic wire Size 4.06.0 0.75x /5/ O.D15 0. 10 6 N/A IV - - (round shape optional) /9/ hose ID ,_,., _ . 7 Grade A (R) SAE AS1501C Page 6 of 25 Construction Form 1. helical (ref. AS4 77 4) L- 7 Impregnated Fiberglass Form 1, helical (ref. AS4804)
32、 I Nonmetllle wtre A rotm r optional) 7 2-Ply Impregnated Fiberglass Form 2. helical (ret AS1542) Fberglass cord OM)t 6/ .(rr_ / fiberglass Form 3. annular corwoluted (nlf. AS1505) Form 4 . ,. ( (rlt AS1506) Maximum weight, lblftlin dia .048up to10in .051 up to 12 in 191 Grade A .06 up to4 in .21 up
33、 to 12 in 191 Grade A 0.17 Grades A and B 0.09 Grade A 0.24 Grade A 0.12 Grades C and 0 0.18 Grade B O.Q75 Grades C and 0 0.10 Grades A and B Minimum inside bend radius, in .075x hose ID 1.0x hose ID 1.5x hoseiO 1.0x hose 10 (3-in IOand under) 2x hose liD (3.25-in IOand over) 2.0x hose 10 0.75x hose
34、 10 1.0x hose 10 N/A Crush resistance /5/ /5/ N/A N/A N/A N/A N/A 171 Maximum hose leakage, SCFM/ftlin dia 0.015 0.015 O.Q1 O.Q2 0.01 0.015 0.01 0.02 0.01 Maximum total joint leakage, SCFM/in hose dia 0.10 0.10 0.10 0.20 0.10 0.10 0.10 0.10 0.10 /3/ /41 6 N/A 6 N/A 6 6 20 20 6 6 10 10 10 10 N/A N/A
35、Available types IV IV 1 then reduction in cross sectional area, if any, shall be measured. 4.6.3.2 Minimum Operating Temperature Conditions: Hose assemblies shall be maintained at the minimum operating temperature for type hose being tested for a period of 24 h 2 h. At the end of the conditioning pe
36、riod, one hose assembly at a time shall be removed and shall be tested as described in 4.6.3.1. Hose assembly shall withstand proof pressure test in accordance with 4.6.2 and leakage test in accordance with 4.6.4. 4.6.4 Leakage Test: The leakage test shall be conducted as illustrated in Figure 5 at
37、room temperature while pressurized to the applicable operating pressure specified on the standard drawing. Clamps securing the end plugs shall be selected from Table 5 and shall be torqued to the specified value in Table 5. A suitable flow meter will be used to measure leakage and in all cases the l
38、eakage volume shall be corrected to standard cubic feet per minute (SCFM). Maximum allowable leakage rates are specified in Table 2 and on the part standards. 4.6.5 Blow Off Test: Clamps securing the end plugs shall be selected from Table 5 and shall be torqued to the specified value in Table 5. Hos
39、e shall be pressurized to two times the operating pressure as specified in applicable standard (or drawing) and shall be maintained at maximum specified temperature for type hose being tested for a period of 72 h 2 h without evidence of soft end of hose creeping from under clamp. 4.6.6 Burst Pressur
40、e Test: Clamps securing the end plugs may be torqued in excess of Table 5 values in order to meet the pressure requirements of this test. Hose end plugs shall be axially aligned and shall be restrained at the normal free length of the hose assembly. The test shall be conducted at both the minimum an
41、d maximum operating temperatures for the hose assembly. The hose assembly shall be pressurized to operating pressure and then the pressure shall be gradually increased in increments of 20% of the operating pressure to three times the hose rated operating pressure. The pressure shall be held for a mi
42、nimum of 1 min for each pressure increment and for a minimum of 5 min at three time rated operating pressure for the hose assembly. SAE AS1501C Page 21 of 25 4.6.7 Flexure Test and Pressure Cycling: 4.6.7.1 Helical (Form 1 Only): The hose shall be mounted horizontally as shown in Figure 2. One end s
43、hall be fixed. The other end shall be movable and shall be capable of reciprocating motion along the hose axis. The hose ends shall be offset laterally from each other a distance equal to .125 in for each inch of hose diameter or fraction thereof. The movable end shall be cyclically actuated to comp
44、ress and return the hose to its normal free length at the rate of 200 cpm maximum for a total of 100 000 cycles. The amount of hose compression shall be equal to the applicable Table 2 percent compressibility for the test specimen length. The hose shall be pressurized to a minimum of 135% of rated o
45、perating pressure at the end of the compression stroke and unspecified on the expansion stroke. The test shall be conducted at room temperature using dry air or gaseous nitrogen as test fluid. Following completion of flexure test, the hose shall be proof pressure tested to the requirements of 3.5.2
46、and leak tested to the requirements of 3.5.4. 4.6.7.2 Annular Convoluted (Form 3 Only) and Helical (Form 2 Only): The hose shall be mounted horizontally as shown in Figure 2. One end shall be fixed. The other end shall be movable land capable of reciprocating motion along the hose axis. The hose end
47、s shall be offset laterally from each other a distance equal to .125 in for each inch of hose diameter or fraction thereof. The movable end shall be cyclically actuated to compress and to elongate the hose at the rate of 200 cpm for a total of 100 000 cycles. The amount of compression and extension
48、shall be equal to the applicable Table 2 percent compressibility and extensibility for the test specimen length. The hose shall be pressurized to a minimum of 135% of rated operating pressure at the end of the compression stroke and unspecified on the expansions stroke. The test shall be conducted a
49、t room temperature using dry air or gaseous nitrogen as test fluid. Following completion of flexure test, the hose shall be proof pressure tested to the requirements of 3.5.2 and leak tested to the requirements of 3.5.4. 4.6.8 Self-Extinguishing Test: Hose shall be vertically tested according to applicable portions of the Federal Aviation Regulation (FAR), Part 25-32, Appendix F, to meet the requi
