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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. 7 Check valves Type G DN L H PN Opening pressure RUCK 14 SS ES G 1 / 4 “ 11.5 65 31 40 bar 0.4 - 0.8 bar RUCK 38 SS ES G 3 / 8 “ 11.5 65 31 40 bar 0.4 - 0.8 bar RUCK 12 SS ES G 1 / 2 “ 11.5 65 31 40 bar 0.4 - 0.8 bar RUCK 34 SS ES G 3 / 4 “ 17.4 75 38 40 bar 0.4 - 0.8 bar RUCK 10 SS ES G 1“ 22.5 90 43 40 bar 0.4 - 0.8 bar RUCK 114 SS ES G 1 1 / 4 “ 30.0 110 48 40 bar 0.4 - 0.8 bar RUCK 112 SS ES G 1 1 / 2 “ 34.0 120 57 40 bar 0.4 - 0.8 bar RUCK 20 SS ES G 2” 44.0 150 65 40 bar 0.1 - 0.3 bar Materials: Housing AISI 316, seal: PTFE Temperature range: -20°C to max. +200°C Length according to DIN 3202-M8 Stainless steel Y-check valves PN 40 L G DN H G B A Strainers for check valves, lightweight designs Materials: Type AISI 304: Threaded part: Nylon 6, filter: AISI 304, type AISI 316: Threaded part and filter: AISI 316 G A B G A B SK 38 G 3 / 8 “ 42 23 1.2 mm SK 38 ES G 3 / 8 “ 55 19 1.0 mm SK 12 G 1 / 2 “ 47 28 1.2 mm SK 12 ES G 1 / 2 “ 55 22 1.0 mm SK 34 G 3 / 4 “ 57 33 1.2 mm SK 34 ES G 3 / 4 “ 62 29 1.0 mm SK 10 G 1“ 69 42 1.2 mm SK 10 ES G 1“ 71 36 1.0 mm SK 114 G 1 1 / 4 “ 75 50 1.2 mm SK 114 ES G 1 1 / 4 “ 80 43 1.0 mm SK 112 G 1 1 / 2 “ 83 55 1.2 mm SK 112 ES G 1 1 / 2 “ 90 49 1.0 mm SK 20 G 2“ 98 68 2.0 mm SK 20 ES G 2“ 101 60 1.0 mm SK 212 G 2 1 / 2 “ 123 86 2.0 mm SK 212 ES G 2 1 / 2 “ 111 80 1.8 mm SK 30 G 3“ 138 102 2.0 mm SK 30 ES G 3“ 125 92 1.8 mm SK 40 G 4“ 153 129 2.0 mm SK 40 ES G 4“ 144 105 1.8 mm G L D CH Type G L D CH PN Open. press. (approx.) RUCK 38 VU G 3 / 8 “ 55.0 34.5 SW 23 25 bar 0.02 bar RUCK 12 VU G 1 / 2 “ 58.5 34.5 SW 27 25 bar 0.02 bar RUCK 34 VU G 3 / 4 “ 65.0 41.5 SW 33 25 bar 0.02 bar RUCK 10 VU G 1“ 74.5 48.0 SW 40 25 bar 0.02 bar RUCK 114 VU G 1 1 / 4 “ 83.0 60.5 SW 50 18 bar 0.02 bar RUCK 112 VU G 1 1 / 2 “ 93.0 71.0 SW 55 18 bar 0.02 bar RUCK 20 VU G 2“ 101.0 87.0 SW 70 18 bar 0.02 bar RUCK 212 VU G 2 1 / 2 “ 122.0 120.0 SW 87 12 bar 0.02 bar RUCK 30 VU G 3“ 141.5 140.0 SW 101 12 bar 0.01 bar RUCK 40 VU G 4“ 158.5 172.5 SW 128 12 bar 0.01 bar Check valves for vacuums up to 25 bar Materials: Housing: Brass, spring: Stainless steel, seal: NBR Temperature range: -20°C to max. +100°C Operating range: Water (no steam), neutral, gaseous and non-aggressive, liquid media, mineral oils, compressed air, low vacuum For vacuum G H L L H L H G RUCK 38 SS --- 82 49.2 RUCK 38 SS/10 55 36 Rp 3 / 8 “ RUCK 12 SS RUCK 12 SS DVGW 65 49.2 RUCK 12 SS/10 59 36 Rp 1 / 2 “ RUCK 34 SS RUCK 34 SS DVGW 75 60.7 RUCK 34 SS/10 67 43 Rp 3 / 4 “ RUCK 10 SS RUCK 10 SS DVGW 90 76.9 RUCK 10 SS/10 83 67 Rp 1“ RUCK 114 SS RUCK 114 SS DVGW 110 85.6 RUCK 114 SS/10 96 74 Rp 1 1 / 4 “ RUCK 112 SS RUCK 112 SS DVGW 120 87.5 RUCK 112 SS/10 106 87 Rp 1 1 / 2 “ RUCK 20 SS RUCK 20 SS DVGW 150 98.8 RUCK 20 SS/10 130 95 Rp 2“ --- RUCK 212 SS DVGW 180 130.0 --- --- --- Rp 2 1 / 2 “ --- RUCK 30 SS DVGW 210 150.0 --- --- --- Rp 3“ * tested PN 16, not suitable for mineral oils!, ** without test screw, no DIN length Y-check valves, DIN 3502 up to 16 bar Materials: Housing: Brass, seat seal: NBR (type DVGW: EPDM) Temperature range: -10°C to max. +90°C Length acc. to DIN 3202-M8, with test screw, DVGW type DIN-DVGW tested additionally for drinking water pipelines Opening pressure: 0.1 - 0.2 bar Optional: FKM seal (to 2”, -20°C to max. +200°C) -V D E U T S C H E R V E R B A N D D E S G A S - U N D W A S S E R F A C H E S E . V . DVGW geprüft überwacht Designation for the options: FKM seal (up to 2”) . . . . . . . . . . . . . -V Order example: RUCK 38 SS ** Standard type F Outstanding value! Threaded nozzles from page 64 Threaded fittings from page 102 Liquid seals, gaskets & tapes from page 549 Compressed air and water hoses from page 208 Mesh width Mesh width Type standard PN 16 Type standard PN 10** Type DVGW PN 10* Type AISI 316 Type AISI 304 APH Techniek BV - Wateringen - T +31 (0)174 219 200 - sales@aphtechniek.nl - www.aphtechniek.nl 449