Technical handbook VI The correct method to fit female swivel ends Spanner torque values Note Values given in tables are typical to achieve the recommended assembly methods when fitting material is steel zinc plated. For other materials different values will be applicable (see our recommendations for other materials on this page). The torque values for other materials are as follows: • Brass fittings and adapters 65 % of the torque value for steel • Stainless steel and Monel Use 5% higher than listed for steel. Threads to be lubricated for these materials. • Dissimilar metals Use torque value designated for the lower of the two metals. • All fittings are dry except as noted above. Note: The assembly torques listed for UNF threads are higher than the test torques published in SAE J1453. ORFS swivel female Thread UNF size Flats From Wrench Resistance (FFWR) Swivel Nut Torque Nm (Ref) 9/16-18 -4 1/2 to 3/4 25 11/16-16 -6 1/2 to 3/4 40 13/16-16 -8 1/2 to 3/4 55 1-14 -10 1/2 to 3/4 80 1.3/16-12 -12 1/3 to 1/2 115 1.7/16-12 -16 1/3 to 1/2 150 1.11/16-12 -20 1/3 to 1/2 205 2-12 -24 1/3 to 1/2 315 2-1/2x12 -32 – – JIC 37° swivel female Thread UNF size Flats From Wrench Resistance (FFWR) Swivel Nut Torque Nm (Ref) 7/16-20 -4 2 18 1/2-20 -5 2 20 9/16-18 -6 1-1/2 30 3/4-16 -8 1-1/2 57 7/8-14 -10 1-1/2 81 1.1/16-12 -12 1-1/4 114 1.5/16-12 -16 1 160 1.5/8-12 -20 1 228 1.7/8-12 -24 1 265 2.1/2-12 -32 1 360 Metric swivel female Nm Thread metric Tube O.D. nominal min. - max. M 12x1.5 06L 16 15 - 17 M 14x1.5 08L 16 15 - 17 M 16x1.5 10L 26 25 - 28 M 18x1.5 12L 37 35 - 39 M 22x1.5 15L 47 45 - 50 M 26x1.5 18L 89 85 - 94 M 30x2 22L 116 110 - 121 M 36x2 28L 137 130 - 143 M 45x2 35L 226 215 - 237 M 52x2 42L 347 330 - 363 M 14x1.5 06S 26 25 - 28 M 16x1.5 08S 42 40 - 44 M 18x1.5 10S 53 50 - 55 M 20x1.5 12S 63 60 - 66 M 22x1.5 14S 79 75 - 83 M 24x1.5 16S 84 80 - 88 M 30x2 20S 126 120 - 132 M 36x2 25S 179 170 - 187 M 42x2 30S 263 250 - 275 M 52x2 38S 368 350 - 385 BSP swivel female Nm Thread BSPP size nominal min. - max. G1/4 -4 20 15 - 25 G3/8 -6 34 27 - 41 G1/2 -8 60 42 - 76 G5/8 -10 69 44 - 94 G3/4 -12 115 95 - 135 G1 -16 140 115 - 165 G1-1/4 -20 210 140 - 280 G1-1/2 -24 290 215 - 365 G2 -32 400 300 - 500 To ensure a leakproof seal between swivel female hose ends shown in this catalogue and the appropriate adaptors it is necessary to follow the procedure below which is different from hydraulic tube assembly. Flats From Wrench Resistance (FFWR) Parker‘s recommended assembly method for JIC 37° flare, SAE 45° flare and ORFS swivel female is Flats From Wrench Resistance (FFWR). The torque values assigned by size are for reference only, and are only applicable to Parker system components using the FFWR method with trivalent chromate passivation on zinc plating of carbon steel components without lubrication. Metal-to-metal seal Screw the nut up hand tight and then tighten further with a spanner according to the values mentioned in the table below. Ensure that in all cases the hose is correctly aligned before tightening the nut onto the corresponding adaptor. The correct method to fit female swivel ends
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