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All data are considered to be unbinding reference values. We accept no liability for data selection that is not confirmed in writing. Pressure data refer, if not otherwise indicated, to liquids of Group II at +20°C. 10 Connection technology Spring washers DIN 127 A/B d1 d2 (max) b s 127A-3 127B-3 ES 3.1 6.2 1.3 0.8 M 3 127A-4 127B-4 ES 4.1 7.6 1.5 0.9 M 4 127A-5 127B-5 ES 5.1 9.2 1.8 1.2 M 5 127A-6 127B-6 ES 6.1 11.8 2.5 1.6 M 6 127A-8 127B-8 ES 8.1 14.8 3.0 2.0 M 8 127A-10 127B-10 ES 10.2 18.1 3.5 2.2 M 10 127A-12 127B-12 ES 12.2 21.1 4.0 2.5 M 12 127A-14 127B-14 ES 14.2 24.1 4.5 3.0 M 14 127A-16 127B-16 ES 16.2 27.4 5.0 3.5 M 16 127A-18 127B-18 ES 18.2 29.4 5.0 3.5 M 18 127A-20 127B-20 ES 20.2 33.6 6.0 4.0 M 20 127A-22 --- 22.5 35.9 6.0 4.0 M 22 127A-24 127B-24 ES 24.5 40.0 7.0 5.0 M 24 127A-27 127B-27 ES 27.5 43.0 7.0 5.0 M 27 127A-30 127B-30 ES 30.5 48.2 8.0 6.0 M 30 127A-33 --- 33.5 55.2 10.0 6.0 M 33 127A-36 --- 36.5 58.2 10.0 6.0 M 36 127A-39 --- 39.5 61.2 10.0 6.0 M 39 127A-42 --- 42.5 68.2 13.0 7.0 M 42 Original Schnorr safety washers S shape d1 d2 s USS-S3 USS-S3 ES 3.2 5.5 0.45 M 3 USS-S4 USS-S4 ES 4.3 7.0 0.5 M 4 USS-S5 USS-S5 ES 5.3 9.0 0.6 M 5 USS-S6 USS-S6 ES 6.4 10.0 0.7 M 6 USS-S8 USS-S8 ES 8.4 13.0 0.8 M 8 USS-S10 USS-S10 ES 10.5 16.0 1.0 M 10 USS-S12 USS-S12 ES 13.0 18.0 1.1 M 12 USS-S14 --- 15.0 22.0 1.5 M 14 USS-S16 --- 17.0 24.0 1.3 M 16 USS-S18 --- 19.0 27.0 1.5 M 18 USS-S20 --- 21.0 30.0 1.5 M 20 USS-S24 --- 25.6 36.0 1.8 M 24 USS-S30 --- 31.6 45.0 2.0 M 30 s d2 d1 b s d2 d1 b shape A (bent up) shape B (smooth) s d1 d2 Tooth lock water outer toothing DIN 6797 A d1 d2 6797A-3 6797A-3 ES 3.2 6.0 M 3 6797A-4 6797A-4 ES 4.3 8.0 M 4 6797A-5 6797A-5 ES 5.3 10.0 M 5 6797A-6 6797A-6 ES 6.4 11.0 M 6 6797A-8 6797A-8 ES 8.4 15.0 M 8 6797A-10 6797A-10 ES 10.5 18.0 M 10 6797A-12 6797A-12 ES 13.0 20.5 M 12 6797A-14 --- 15.0 24.0 M 14 6797A-16 6797A-16 ES 17.0 26.0 M 16 6797A-19 --- 19.0 30.0 M 18 6797A-20 --- 21.0 33.0 M 20 6797A-24 --- 25.0 38.0 M 24 d2 d1 d2 d1 Tooth lock water inner toothing DIN 6797 J d1 d2 6797J-3 6797J-3 ES 3.2 6.0 M 3 6797J-4 6797J-4 ES 4.3 8.0 M 4 6797J-5,1 --- 5.1 9.0 --- 6797J-5 6797J-5 ES 5.3 10.0 M 5 6797J-6 6797J-6 ES 6.4 11.0 M 6 6797J-8 6797J-8 ES 8.4 15.0 M 8 6797J-10 6797J-10 ES 10.5 18.0 M 10 6797J-12 6797J-12 ES 13.0 20.5 M 12 6797J-14 --- 15.0 24.0 M 14 6797J-16 6797J-16 ES 17.0 26.0 M 16 6797J-19 --- 19.0 30.0 M 18 6797J-20 --- 21.0 33.0 M 20 6797J-24 --- 25.0 38.0 M 24 shape A = outer toothing shape J = inner toothing Thread locker and thread seals from page 549 For screws For screws Type shape A zinc-plated steel Type shape B stainless steel A2 Type steel blackened Type stainless steel A2 Type zinc- plated steel Type stainless steel A2 For screws Type zinc- plated steel Type stainless steel A2 For screws 618 APH Techniek BV - Wateringen - T +31 (0)174 219 200 - sales@aphtechniek.nl - www.aphtechniek.nl