INTERNATIONAL Iso STANDARD 1179-3 Frsteaton boorae6 Connections for general use and fluid power — Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing — Part 3: Light-duty (L series) stud ends with sealing by O-ring with retaining ring (types G and H)180 1179-9:2007(€) POF alsclamer ‘sha not be eco Unless the tpetenes which are embedded are lensec fo and insisted 0 the compu performing the eng. In {Dentudna te sevayateen ren ine eapenis sas ninges Aasues iunsng ley. The SO Cemel Sever seers eneees Pesyeie see spunea pntrg Eyer soe nen sean tien sriuie ave flew sutsua or ze by 6 mere ee BA conrmcnr norere 208040 Emel sanousee =eIso 1179-9:2007(E) Contents Page Foreword. Introduction Scope . Normative references. Terms and defiitions Dimensions. Roguiremonts.. Sealing. Test method nn Designation of stud ends. Identification statement (reference to this par of ISO 1179) ‘Annex A (ncrmatve) Test data form for ISO 1179-1 port and ISO 1178-3 stud ends.. Bibliography180 1178-3:2007(€) Foreword |SO (the International Organization for Standardization) is 2 worldwide federation of national standards bodies (iSO member bods). The work of proparing Intemational Standards is noimaly carried out trough ISO Technical commitees. Each membor body intersted in a eubjct for which a technieal commiteo has boon established has the right to be represented on that commtee.inferatonal oiganzations, governmental and nanegovemmental. in json with ISO. alsa tame pat the work ISO collatorstes closely wih the Intemational Electrotechnical Commissin (IEC) cn allmatirs of lecrotechnecal standardization, International Standards are drafted in accordance wth the rules given inthe ISOIIEC Directives, PartZ Tho main task of tochnical committees is 10 prepare International Standards. Draft intemntional Standards, adopted by tho tcennesl comminoss aro eieuated to tre membor bods for voting Publication as an international Standard requires approval by at leat 75 % of the member docies ating a vole. ‘Alterion is drawn tothe possibilty that sorne of the elements ofhis document may be the subject of patent rights. ISO shall not be heldresponsibie fer identfying any or all such patent gts, |$0 1175-3 was prepared by Technical Committes ISO/TC 131, Fluid power systems, Subcommitise SC 4, Connectors and similar products ana components Ths first edition of [SO 1173.3, together with ISO 1179-4, 'S0 1179.2 ane ISO 11794, cancels and replaces SO 1173°1281 which has been techrcally rose, SO 1179 consists of the folowing parts, under the general tle Connections for genera! use and fuid power — Ports and stud end wits SO 228 threads wits alastomenc or meta-o-matal sealing — Pert Threases ports — Part 2 Hoawy-duty (S saris) and ight duty (L sors) stud ends with elastomeric saang (type E) — Far 3: Light-outy (L series) stud ends with sealing by O-ring with retaining ng (yoes G and H) = Part Stud ends for general use only with matal-to-metal seaing yp 6)180 1179-3:2007(6) Introduction In Muid power systems, power is wansmitte and contiolled twough a fut Jauid o gas) under pressure within 8 circut. In general appleations, a 1Lid may be conveyed under prescuro. Components are connected through ther thveaded pons by fic eonduetorconneetors to tubes and pipes or to hove ings and haves, For threaded ports and stud ends specified in new designs in hydraulic fluid power applications, ISOITC TS1ISC 4 recommends tat the ISO 149 series be used because these Intemational Standards specify pons and stud ends witn matric threats and O-ring sealing and becuse the sub-commitos would ks to help users by recommending one preferred system ISOITC 737/SC 4 further recommends that threaded ports and stud ends in accorsanee with the ISO 1179 series, [SO 9674 senes and ISO 11925 senes not be Used for new dengns in hydrauke fad pawer applications: hese international Standards vill be mainianed because ey specify ports and std ends tal are curenty used in hydraulic systems worldwide, For thveaded ports and stud ends specifies in new desgrs in pneumatic fuid poner applications ISOITC T31iSC 4 recommends that SO 76020 be used, except where procucts are to rtertace wth (SO 1-1 threads, because the suscormitiee woul! lke to help users by recommending one preferred system ISOITC 131iSC 4 further recormends that tneaded ports and stud ends in accordance with the ISO 1179 series not be used for new designs in pneumate fui power apoictions: these Internavonal Standard wil be rmanaines because fey spee'y ports and stud ends that are curendy used n pneumate systems worldwice. ‘Sgnifcant testing over more than 30 years of use has confirmed the performance requirements f connection fends made ffom carbon steel. The stud end connections specified in 180.1179 parts 2, 3 and 4 apply 10 Connectors detaled in ISO 6434 pans 1, Zand 4Dovmioadoa: 2016 08:08 Single use icence ety, copying and networking probedINTERNATIONAL STANDARD 180 1179-3:2007(6) Connections for general use and fluid power — Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing — Part 3: Light-duty (L series) stud ends with sealing by O-ring with retaining ring (types G and H) 1 Scope ‘This part of SO 1178 spaciies d¢mensions, performance requirements and test procedures for non-adustable ‘and adjustabo light uty (L ceres)stue ends win ISO 228-1 treads witn sealing by O-ring wit reaning rng (typos G and H, respectvel). Light-duty(L series) stud ends in accordance wth this part of ISO 1179 may be used at working pressures up 4o'31 SMPs (15 bar) for non-adustatle stad ends (type G) and up to 20 MPs (200 ba for sdwstable stud ‘nds (type H). The pemissible working pressure depends upon sz, materials, design, waxking condone, appicaton, et. Conformance to the mensional information in hs part of SO 1173 dows not guarantee rated performance Each manufactzer shall perform testing secordng tothe specification contained in tis pat af ISO 1179 to _assure thal components made to ths pat of ISO 1179 eamply with the performance ratings. NOTE 1 Ths partottSO 1170 apples to eamector detaleain 18084342 NOTE 2. The ntoducton of ths part of ISO 1179 ives recommendations for pors and stud ends tobe uses for new designs in hycraule and peumate fue paver spaicators. 2 Normative references ‘The following referenced documents are inciepensable for the appliation of this document. For dated references, only the exon cited apples. For undated references, the latest exton of the relerenced document (ncliding any amendments) apps 180.2281, Pos threads where cressurs-tght joints are not made on the threads — Part 1: Dimension, tolerances and cesignsion 180 3601-32005, Fluid power sysiems — O-rings — Part 3: Qually acceplance criteria 180 4759-1:2000, Tolerances for tastenors — Part 1: Bolts. sorews, studs and nuts — Product grades A, B wae 180 £588, Fluid poweraystems and components — Vocabulary 180 19879, Meteitc tube connections for fuid power and general use — Test methods for hydraulic uid power consections (2100 2007 Alegh rasenee 1180 1179-9:2007(€) 3. Terms and definitions For the purposes of this document, the teams and deftions given in ISO 5698 and the folowing apply 34 [adjustable stud end connector ‘13 end connector that allows for connector orientation through final tightening ofthe lacknut to complete the onnecton NOTE Thistype ofstu ends tical usecon shapec connectors 2 tees, coeses and ebous) 22 non adjustable stud end connector stud end connector that doss not require specific orientation before final Ughtoning of the connection because itis only used on evaight connectors 4. Dimensions Lug sere) pe Gand type H sad ends leckruts and washers shall conform othe derensors gren in Figures 1 and 2 and Tate 1 Hexagonal tolerances across fais shall be In accordanes with 180 4758-1:2000, product grade C. 5 Requirements 6. Working pressure Lght-duty (L series) stud ends (types G and H) made of low carbon stze! shall be designed for use atthe working pressures given n Table 2. 5.2. Performance Lightduty (L series) stud ends made of low carbon steel shall meet or exceed the burst and impulse pressures given in Table 2, whan lasted in accordance with Ciausa 7 and ascembied using the torquos bated inTabes. 5.3 Flatness and fit of adjustable stud end back-up washers ‘The washer shall be clinched to the stud end with 2 tight slip ft to an interference ft The sip ft shal be tight enough so that the washer cannot be shaken loose fo cause ito drop ‘for its uppermost postion under ts foun weight. The locknal torque nesded fo move te washer al the maximum Washer interference ft shall not ‘xceed the lorques Feed in Table 3 ‘Any washer surface tats out of fatness shal be uniform (Le. not wavy) and concave with respect othe stud tend of ype H stud ends only and shall conform tothe allowance given in Table 3 6 Sealing COvings and retaining ings for use with ightduty(L satis) stud ends shall confer tothe dimensions given in Figutes 3 and 4 and Tabes 4 and 5. Figures § and 6 show the correct assembiy cf the stud end wit xing and retaining ring 2 150.2007 ~Atsigtaraered:2007(E) 7 Test methods 7.1 Burst pressure test (failure pressure test) TAA. Principle Thee samples shall be tested to confirm that ight-duty (L series) stud ends meet or exceed a ratio of 41 betwen the burst and working pressures, TA2 Materials TA24 Test block and stud ends “Test blocks shall bo in accordance withthe requirements epecifid in ISO 19672. Stud ends shall be made ‘rom low carbon stee ard be plated TA22 Test seals LUness otherwise specifed. test see shall meet the requtementsspecifed m 1S0 19679. Seat shal canfarn fhe imensors given in Tables and 8 and Gongs shal meet or exceed the quality requrement grade in 80 36003 2008 TA3_ Procedure TA34 Thread wbrication For testing only, tweads and contact surfaces shall be lubrisatod in accordance with tre requirements of 150 19578, TA32 Stud end torque ‘Stud ends shal be tested ater anplication of the torques given in Table 6. Adjustable stud end leit torques ‘hall be apples after the stud end nas been backed out one fll tun fom finger tight pestion to corecty test ‘he worst possible setual assem conditions 7433 Prossure rise rata “The rate of pressure rise shal be in accordance withthe requirements f ISO 12679 7.2 oyclle endurance (impuise) test 124. Principle ‘Six samples, when tested at their respective impulse pressures, shall pass a cycle endurance test of 7/000 GO eyeles wihout leakage or component tale 722 Materials Use the same materials aa specified in 7.1.2Iso 1178-3:2007(6) 123. Procedure 7234 Thwead lubrication Apply ubreant ae spesiiagin 7.731 7232 Stud ond vorquos Apply fous a8 peciied in 71.32 723.3 Cycle end pressure ise cate The ejcle rate shall be n accordance with the requirements of ISO 19879. except the rae of pressure nse shall ssjustes accorsinghy 7.3. Test report Test results and conditions shall be reported onthe test data form given in Annex A 7.4. Reuse of components PPans used for eyeie endurance or burst tsets shall not be tested further, usod or rtumad to stock. 8 Designation of stud ends 8:1 Stud ends shallbe sesignsied by 2) "Stud ong’ 2») reference to this partof ISO 1179, 8 180 11782 2) trad size )_aleter"G" fo desgnate ype G sealing or eter Hto designate ype H sealing EXAMPLE A sud enc win 3 G 38 A tesa in scorcance wen ISO.228-1 wn type sealing dsegnated ae ‘olows, Stud end iS011703- G38 A-G B.D _The ving shall be designated by the ward “O-ring followed by "ISO 1179.3" followed by the thread SS2e ofthe stud end with which tis used, Retaining ring shall be desionated by the phrase ‘Relaning ring’ ‘ollowed by ISO 11795" folowed by the thread size of the stud end with which tis used EXAMPLE 1 An G-ngtor use wih a size G18 A stu end m accordance wth 150 1172.3 8 cesirated as Felons Oring 80 11703.6418 EXAMPLE 2 A retaning mg or use win 2 S20 G 14 A st end n scorcance wn ISO 11703 6 designated ae folows. Retaining ings 1778.3-6 148 4 |©1902007— argh esetIso 1179-9:2007(E) 9. Identification statement (reference to this part of ISO 1179) Itis strongly recommended to manufacturers whe have chosen to conform to this part of IS01179 thatthe following statomont be used in test reports catalogues and sale Iterature Light-dity (L series) stud end conforms to ISO 1173-3, Connections for general use and fluid power— Ports and stud ends wilh |SO 226-1 treads wiih elastomenc or metaliownelal sealing — Part 3: Lightduly [Tsenes) stud end with sealing by Oning with retaiang ng (types Gand HY Dimensions in mitmetes suace roughness values inricrometes key 1 tvead pich dameter © mension across me tat, Figure 1 — 180 1179.3 light-duty (L series) non adjustable stud ond — Type G180 1179-8:2007(8) Dimensions init, surface roughness vale In meromees ea, Key 1 sa pten aaretor 2 back-up washer (688 53) Optional constnxcton. mension across ne tats Figure 2—1S0 1179.3 ight duty (L series) adjustable stud end — Type H10 1178-8:2007(6) Table 1 — Dimensions of 1SO 1179.3 light-duty (L series) stud ends — Types G and H DDemersions n mitimetes Naumum] &] a] 2] Blu]s)]4]5]5 7 ‘sa saa a 4 hex | hex 3, [rom | wt o,f wet 20. ]z008] ret GIA [a] a4 eui| er [aa7[ ee] © | se] e| re as [es | w[on Sima |raa| 72 [z02|z02[tn1i[133| 8 | 71 | 20| m2] 22 | 41 | 59 [ita] | fo, aaa [218] 83 [202] 2 [mer[ssa| 8 | 71 | 20] m2] 52 | 44 | 10 [ita] | [on Gia [298] 123 |z02| | rez0[ ont] 10 | as [zat] ws] a2 | Or afar SaHA [358] 185 |z02| 504 |za71[ 265) 19 | 8a [zat] ws] a2 | oa 36 [2 Gia [458 [215 |=02/a56|2985[553] 12 [119] 20| wa] 38 | 6 at [oz lei vsalaga|275|=02| a5 [23.0] 2 | 2 [v9 0 | 16| 38 | es so] 02 jeorimales aaa wa] 2 [rie| 20 | 186] 32 | a [a2 ‘Table 2— Pressures for/S0 1179-3 light duty (L series) stud ends — Types G and H> Non acjusabie Type “gjsiale — Type Work Test pressure Workin Test pressure Tead | proseure . pressure " ust | impuse® ust | impulse wpa | cosy | nea | tban | wea | ey oma | ais | ow) | 1 [oa] a2 | aie cua fais | ee) | i [oz] a2 | ato oma | aie | ee) | me [2] ae | ate) oan | wea | tx | MPa | a ) eon | BE | OO) (20) eo | 8 | BO) | se | Gem | 286 | Gee a| 8 emma] 2 | e0| 10 (wom) m2 | om am | ao _| am [m6 | oH. eusa| 25 | 250] 100 [oom] m2 | om Ee CO eta | 2 | a | 100 [room] 2 | ox eo [20 | om | ae | exo) eral 16 [vem | c | am [21a | arm coy | ee | eam [213 [ery a}s|ule)s) a) e)a] 5 ermal 6 from) = | em | as | om cm] & | om | ma | ew sarah meres 7180 1179-3:2007(6) Table 3 — Nut torque required to move washer and adjustable stud end washer flatness Yor 180 1179.3 ight duty (L series) stad ens — Type H only, Nittarque required | Maximum washer fomovewasher | fatness allowance ‘Trveed size “as Nm CWA ousA 5 384 7 Fe aA 0 O88 5 040 ST 2 0 GIA 2 oso Giza 20 ed 20 oo Figure 3 — O-ring for ISO 1179.3 light-duty (L series) stud endsIso 1178.3:2007(€) ‘Tablo 4 — Dimensions for O-rings for ISO 1178-3 light-duty (L sorios) stud ons — Types G and H Dimensions in mlimetes inside diameter Cross-section diameter Throad so 4 rom ‘a Gia 188 ata 262 GawA 2 Giza 2a Ga 282 Gia 358 COEDS 358 erizA 352 Q | Figure 4 — Retai 1 Fng for ISO 1179.3 light-duty (L serias) stud ends — Types G and H.180 1179-9:2007(E) Tablo 5 — Dimensions for retaining rings for [$0 1179.3 light-duty (Lsorios) stud onds — ‘Typos G and # Cimersions in miimates Em a Te Thread size |e. ao, o Gia | a0 750 1 cua | 8 880 1180 a3aa 1850 230 1.90 Gia [220 250 7.80 Sasa | 280 3450 1.00 GIA 320 oy 220 ora | “90 220 260 cia | 0s e000) 260 | a -——3 Y Sy Ls 4 “SIAN ver fey a Panos Fhe ios Sse 2 Figure 5 — Assembly of adjustable connector Figure 6 — Assembly of nonadjustable connector 0 6160 207 — gh reeTable 5 — Stud end quaifieation test torques for ISO 1179-3 light-duty (L series) stud ends — ‘Types Gand Hi Tend a Torque :2007(E) 1"180 1178-9:2007(€) Annex A (normative) Test data form for ISO 1179-1 port and ISO 1179-3 stud ends Stud end specifications: Mantactrer rest facity Std end ype Sie Minimum material ensie strength MPa stud enc working pressure (02 Table 2: MPa [Stuc enc mplse test pressure see Table 2) MPa Stud enc brs test pressure (see Table 2) MPa Cualicaton tet assembly torque (ese Table 6) New rst test results: minimum number of samoles tested = 3 Samplo Ne [Pressure ative] Tersuo Farénoes Type of ars 1 MPa Nm H6| 2 Pa Nn HR6| 3 Pa Nn | [Cyclic endurance test results: minimum numberof samples tested = 6 ‘Sample No.[ Hardness Toroue Cyslesattalure Type of fale 1 HRB Nn 2 HRB) Ne 3 HRB) Nn a HRB Ne 5 FRB Nn 6 HRB Ne Conclusions: Passfal with reason for failure Dimensions (ist any exceptions). Name (prntedtypos) [Dats and signature cf person cotfying report 2m a a 4] a a a a 10) mn (13) (3) ay 18) (16) 180 1179-8:200716) Bibliography 180 7-4, Poe threade where preceure-ignt jams are made on the thresde — Part 1: Dimensions, {Slerancas anc designation 180 1101, Geometrical Product Specifcations (GPS) — Geometrical tolerancing — Tolerances of fom. onesteton location snd mr-ot 180 1302. Geometical Product Specifications (GPS) — Indiation of surface texture in technical produci documeriaton 180 6149-1, Connestions for hydraulic uid poner ard general use — Ports ard stud ends with 180.261 metric treads and O-ring sealing — Part 1 Ports mith tuncated housing for Oving seal 1S06149-2, Connections for hydraulic Wud poner ard general use — Porte ard stud ends with 180 251 mate threads and O-ong seaing — Pat 2° Dimensions, dangn, test matnods and requirements for heauy-duly (8 sees) stud ends 1806149-3, Connestions for hydrauic fuid power and geners! use— Ports and stud ends with 180.261 mane treads and O-ong seaing — Part3” Dimensions, design, est matnocis and requirements far ightdlly(L series) shud ends 180 8424-1, Metalic tube connections for fuid power and genera! use — Part 1:24" cone connectors 180 6434-2, Metalic ube connections for fuid power and general use — Part 2.97" fared connectors 180 2424-4 Metalic tise connections for fad power and ganeral use — Part J: 24° cone connectors wth Oving walanan nnplne 180 9974.1, Connections for general use and fuid power — Ports and stud end with ISO 261 trosas vith elsstorenc or metaliowretal sealing — Part f Threaced ports 180 9974.2, Connections for general use and fuid power — Pods and stud ends with /SO 261 treads ith elsstomeie or metal-‘orretal sealing — Part 2 Stud ends with elsstorerc sealing (ype E) 180 $974.3, Connections for ganeral use and Fuid power — Ports and stud ends with /SO 261 treads ith elastomeric o metal: ‘o.rtal soaing — Part $ Stud onds with metal to-metal sealing (yoo 8) 180 1125-1, Connections for general use and fd poner — Parts and stud ands vith ISO 725 threads and O-ing seaing — Part + Por nis O-ring seal in runcated housing 180 11926-2, Conectons for general use and fud power — Port and stud end with [SO 725 twresds fend Onng sesing— Part 2 Heavy-duty (S senes) Std ends 180 11926.3, Connactons for general use and Mud powor — Port and stud and with ISO 725 toads ‘and O-nng seating — Port 3: Lght-duty (L series) stud ends 180 16080, Pheumatic fud power — Connections — Ports and stud ends 2Iso 1178-2:2007(€) les 25,100.40