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A+P X-Ring

A+P X-Ring
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A+P X-Ring

Product catalog summary
General Information
The A+P X-Ring is an advanced version of the traditional O-ring, designed for dynamic applications with a four-lipped structure that reduces friction and wear. It is suitable for light to medium dynamic conditions, including rotational, pivoting, and linear movements. While it can fit standard O-ring grooves, modifications are recommended for new designs, especially for rotary seals.
Structure and Function
The X-Ring is a symmetrical sealing element providing both radial and axial seals. The sealing process is activated by contact forces during installation, with the medium's pressure enhancing the sealing force. It adheres to U.S. standard AS 568A and British standard BS 1806.
Advantages
The X-Ring's design offers low friction, high wear resistance, low static friction, effective sealing and wiping, lubricant retention, and twist-proof installation, making it superior to O-rings in dynamic applications.
Fields of Application
The X-Ring is used in dynamic and static applications, particularly for sealing pistons, rods, and rotating shafts, effective in linear and rotational movements under specified pressure and speed limits.
Application Data
Pressure limits vary with movement type, with linear movements allowing up to 30 MPa with a back-up ring. Speed limits are 0.5 m/s for linear and 1.0 m/s for rotational movements. Operating temperatures depend on the material, with NBR suitable from -30°C to +110°C and FPM from -20°C to +200°C.
Materials
Material selection depends on temperature, chemical resistance, and application conditions. Standard material is NBR 70.45-01, with FPM 70.45-01 available on request.
Specifications
The document details specifications for A+P X-Rings, including dimensions, pressure tolerances, and material requirements, made from NBR 70 Shore A for various applications.
Procedures
Installation guidelines are provided for static and dynamic applications. For static seals, X-Rings are installed in rectangular grooves with specific recommendations for axial and radial seals. For dynamic applications, necessary precautions and installation dimensions are outlined.
Standards and Tolerances
The document references standards such as DIN 40080 and ISO 2859 for dimension tolerances and surface checks, specifying maximum tolerances for seal width/height and internal diameters.
Recommendations
Back-up rings are recommended when permitted gap play values are exceeded to prevent seal extrusion. The document advises on groove configurations and lubrication requirements for optimal performance.
Key Data from Tables
Tables provide maximum permitted gap play values based on pressure and seal dimensions, as well as installation dimensions for various applications, crucial for ensuring correct application and performance of the X-Rings.
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Catalog excerpts

A+P X-Ring-2

Untitled table.main {} tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:7.00pt "Lucida Sans Unicode", sans-serif; } .font1 { font:12.00pt "Lucida Sans Unicode", sans-serif; } Austria Czech Republic Italy Angst+Pfister Ges.m.b.H. Floridsdorfer Hauptstrasse 1/E AT-1210 Wien Phone +43 (0) 1 258 46 01-0 Fax +43 (0) 1 258 46 01-98 www.angst-pfister.com [email protected] Angst+Pfister spol. s.r.o. Vever 111 CZ-616 00 Brno Phone +420 549 525 222 Fax +420 549 525 223 www.angst-pfister.com [email protected] Angst+Pfister S.p.A. Via Montefeltro 4 IT-20156 Milano Phone +39 02 30087.1...

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A+P X-Ring-3

Caratteristiche generaliCostruzione e funzione VantaggiCampi dapplicazioneLimiti dҒimpiego Materiali Dati tecnici Raccomandazioni per la costruzione Tolleranze dimensionali Impiego come guarnizioni rotanti Raccomandazioni per il montaggiocome tenuta su alberi rotantiRaccomandazioni per il montaggiocome tenuta per movimenti alternativi General informationStructure and function AdvantagesFields of applicationApplication data Materials Physical data of materials Design notes Dimension tolerances Application as rotary seals Installation recommendationfor sealing rotating shaftsInstallation recommendation...

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A+P X-Ring-4

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A+P X-Ring-5

Gli A+P X-Ring completano lamplissima gamma degli O-Ringcon venzionali. Nel funzionamento dinamico questi elementi ditenuta The A+P X-Ring is to be seen as a supplement to the rangeof O-rings which has traditionally been very extensive.The four-lipped seal offers certain advantages over the O-ringin dynamic applications. Due to its shape, the A+P X-Ring haslower spring deflection forces. This has an extremely positiveeffect on friction properties and wear.The main applications involve light to medium dynamicconditions. These include rotational and pivoting movementsas well as linear stroke movements....

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A+P X-Ring-6

In virt della loro geometria a quattro labbri di tenuta, nel funziona -mento dinamico gli A+P X-Ring presentano alcuni vantaggi rispetto Compared to the O-ring, the four-lipped sealing geometry of theA+P X-Ring offers certain advantages which pay dividends when it comes to dynamic loads. The lip shape reduces the spring deflec-tion forces, which in turn cuts down friction and wear.The main advantages of the A+P X-Ring in service are as follows: Low friction and high wear resistance. The shape gives rise toa favourable force/travel profile, which means cross-sectional deformation does not just...

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A+P X-Ring-7

Gli A+P X-Ring sono elementi di tenuta utilizzabili tanto in dina-mica che in statica. I loro pregi sono particolarmente apprezzatinelle seguenti applicazioni:Җ tenuta di pistoni e aste soggetti a movimenti alternativi tenuta di alberi, mandrini o distributori rotanti, oscillanti o rotativi The A+P X-Ring is used in dynamic and static applications.The advantages are apparent in the following applications:֖ sealing back-and-forth pistons and piston rods sealing pivoting or rotating shafts, spindles or rotary transmissionleadthroughs > Movimento lineare: Linear movement: Pressione ≤ 5 MPa (50 bar)...

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A+P X-Ring-8

Refer to the O-rings, Technical Fundamentals˻ catalogue, section 3, page 51 ff.for general descriptions of the materials. Una descrizione generale dei vari materiali riportata nel catalogo O-Ring(Catalogo di base, capitolo 3, pagina 51 e seguenti). Prove NormaCondizioni di provaUnitNBR 70.45.01FPM 70.45.01 Tests StandardTest conditionsUnit DurezzaDIN 53505Shore A70 蠱570 5 Hardness Resistenza a rotturaDIN 53504MPa>14>10 Tensile strength Allungamento a rotturaDIN 53504%>250>175 Ultimate elongation Deformazione permanenteASTM D 395B22h / 100ѰC%<25 Compression setDIN ISO 81522h / +200ְC%<20Modifica...

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A+P X-Ring-9

Җ Static seal, axial: section 6, pages 86 and 87 Static seal, radial: section 6, pages 89 and 90 ֖ Dedicate alla tenuta statica assiale: le pagine 86 e 87 del capitolo 6 ֖ Dynamic seal, hydraulic: section 6, pages 94 and 95 Dedicate alla tenuta statica radiale: le pagine 89 e 90 del capitolo 6 Dedicate alla tenuta dinamica, idraulica: le pagine 94 e 95 del capitolo 6 Pressioned > 2 d > 2 d > 2 d > 2 d > 2 Pressure MPa (bar)1,78 mm2,62 mm3,53 mm5,34 mm6,99 mm < 2 (20)0,080,100,120,150,20 > Interstizio S Gap play S < 5 (50)0,060,080,100,120,15 < 10 (100)0,040,060,080,100,12 < 15 (150)0,020,040,060,080,10...

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A+P X-Ring-10

Tolleranza max.Max. tolerance > d 1 d 2 mm Larghezza/altezza della guarnizione/Seal width/height d > 2 mm1,02 0,08 1,27౱ 0,08 1,52 0,08 1,78ѱ 0,08 2,62 0,08 3,53ѱ 0,10 5,34 0,13 6,99ѱ 0,15 Diametro interno/Internal diameter d > 1 mma/up to ≤ 20 0,15 > 20 a/up to Ѣɤ 35 0,30 > 35 a/up to Ѣɤ 68 0,50 > 68 a/up to Ѣɤ 120 0,80 > 120 a/up to Ѣɤ 180 1,20 > 180 a/up to Ѣɤ 400 1,60 > I valori indicati nella tabella sono validi unicamente per gli A+P X-Ringin NBR 70 Shore A (NBR 70.45.01).The values in the table only apply to A+P X-Ring made from NBR 70 Shore A (NBR 70.45.01). size="-2">

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A+P X-Ring-11

Gli A+P X-Ring sono concepiti anche per assicurare la tenuta di alberi, mandrini o distributori rotanti soggetti a movimenti oscillantio rotativi. Devono tuttavia essere adottate precauzioni particolari.Ecco in sintesi gli aspetti di cui occorre tenere conto: Gli A+P X-Ring devono essere utilizzato esclusivamente pertenute interne, ciֲ significa che la tenuta deve essere realizzatatra lalbero e gli A+P X-Ring.Җ Il diametro interno dellX-Ring deve sempre essere maggiore del5 % circa rispetto al diametro dellҒalbero su cui montato. La compressione radiale della guarnizione 薨 inferiore a quella...

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A+P X-Ring-12

Stelo/Rod A ؖ H8/f7 d 1 d 2 0,1 R ر 2 C 2 d R 1 D Cava/Groove ؘ B H9 Cod. art. NormaDimensioniImpiego dinamico, rotativo Art. no. StandardDimensionsDynamic application, rotationAS/BSCava nel cilindro Groove machined in housing ֘ d > 1 d > 2 D ؘ A BCR > 1 R > 2 mmmmmmmmmmmmmmmm 11.4801.00080084,481,788,044,07,21,950,10,25 .00090095,281,788,845,08,21,950,10,25 .00110117,651,7811,227,010,21,950,10,25 .00120129,251,7812,819,012,21,950,10,25 .001301310,821,7814,3810,013,21,950,10,25 .011211212,372,6217,6112,016,82,900,10,25 .0113ؖ14,702,6219,9414,018,82,900,10,25 .011411415,542,6220,7815,019,82,900,10,25...

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