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231/221continued EXPANSION Table 2: Sizes � Movements � Forces � Weights See Notes Below JOINTSIZE 4 5 Nom.I.D.x 231 / 221 Movement Capability: Spring Rate Capability Based on 1" ofOperating Weights /(mm)Inch From Neutral Position Movement at Zero Pressure ConditionsConditions lbs / (kgs) NEUTRAL LENGTH /Inch(mm) 12 (305) 231 2.4 1.2 1.1 1.9 2.0 4526.62 70 26 390.0 290.0 87.0 72 (1800) EXPANSION U (61) (30) (28) (29244) (5.0) (660) (176.9) (131.5) (39.4) 14 (356) 231JOINTSTYLE N 12 (305) 231 Axial D 2.3Compression1.21.01.8 2.0 5410.60 85 26 410.0 315.0 103.0 78 (1950) (57)Inch/(mm)(30)(25) E (34907) (6.0) (660) (186.0) (142.9) (46.7) 14 (356) 231 R Axial 12 (305) 231 Extension 2.3 1.2 1.0 1.6 2.0 6221.13 85 26 440.0 350.0 113.0 84 (2100) (mm)/Inch C (57) (30) (25) (40136) (6.0) (660) (200.0) (158.0) (51.3) 14 (356) 231 Lateral U Deflection 12 (305) 231 Inch/(mm) R 2.3 1.2 1.0 1.6 2.0 7088.11 85 26 448.0 363.0 125.0 90 (2250) (57) (30) (25) R (45730) (6.0) (660) (203.1) (164.6) (56.7) 14 (356) 231 1Angular DegreesDeflection E 12 (305) 231 2.3 1.2 1.0 1.4 22.0 N 8011.85 85 26 466.0 367.0 125.0 96 (2400) Torsional (57) (30) (25) (51689) (6.0) (660) (211.3) (170.5) (56.7) 14 (356) 231 DegreesRotationT 12 (305) 231 lbsForce 2.3 1.2 1.0 1.3 2.0 per1"ratedT 8992.02 85 26 485.8 395.0 137.0 102 (2550) (57) (30) (25) Compression (58013) (6.0) (660) (220.0) (179.1) (62.1) 14 (356) 231 E lbsForce S 12 (305) 231 perrated1" 2.3 1.2 1.1 1.2 2.0 Extension 10028.75 85 26 510.0 425.0 139.0 108 (2700) T (57) (30) (28) (64702) (6.0) (660) (231.3) (192.7) (63.0) 14 (356) 231 I Forcelbs per1"rated 12 (305) 231 N LatreralDeflection 2.3 1.2 1.0 1.1 2.0 12271.84 85 26 540.0 565.0 151.0 120 (3000) (57) (30) (25) G ft-lbsForce(79173)(6.0) (660) (244.9) (256.2) (65.8) 14 (356) 231 �per1rated Angular Neutral lengths underlined are the recommended minimum lengths. Metric Conversion Formula: Nominal I.D.: in. x 25 = mm; Dimensions: in. x 25.4 = mm; Pressure: PSIG x .069 = Bar3 FactorThrust NOTES: In2/(cm2) 1. The degree of angular movement is based on the maximum rated extension. 2. Torsional movement is expressed when the expansion joint is at its neutral length. 3. To determine "end thrust", multiply thrust factor by operating pressure of system. Positive 4. Pressure rating is based on 170�F operating temperature with a 4:1 safety factor. At higher temperatures, thePSIG/ pressure rating is reduced slightly. Hydrostatic testing at 1.5 times rated or working pressure for 10 minutes is(Bar) available upon request. 5. Weights are approximate and vary due to OAL. Vacuum 6. Control rod unit weight consists of one rod with washers, nuts and two control rod plates. Multiply number of control rodsInchesofHg/ needed for application (as specified in the Fluid Sealing Association's Technical Handbook) to determine correct weights.(mmofHg) Expansion Joint Filled Arch Rubber Expansion Joints Assembly Known as Style FA231 or Style FA221 the Series FA230 Retaining Rubber Expansion Joints are designed to eliminate flow SetRing turbulence and collection of solids in the arch core. 6 Control RodAssembly Filled Arch Rubber Expansion Joints can be found in applications such as sludge, slurries or other heavy solids where material entrapment, high flow velocity or high abrasion conditions exist. Filled arch products are manufactured with seamless tube and are built as an FA231 Single Filled Arch integral part of the carcass. Although the tube is made of a low durometer filler stock, movement ratings of the Style FA231 or Style FA221 are 50% less than those movements listed in the table above. PROCO can manu- facture any size listed in the table above. Series 231 Page 7 of 10
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