192 Our performance range at a glance Using this flow rate diagram, you can identify, at a glance, the coupling series suited to your application and the corresponding operating pressure. Many of the series listed below are also available as a straight-through KF version. Flow rate water Flow KL (l / min.) – leak-free coupling systems - Particularly suitable for fluid handling applications Flow KB (l / min.) – double shut-off coupling systems - Particularly suitable for fluid handling applications Flow KA (l / min.) – single shut-off coupling systems - Particularly suitable for pneumatic applications Flow KF (l / min.) – straight-through coupling systems - Particularly suitable for pneumatic and fluid handling applications The details refer to the water flow rate in litres/minute. Measurement data generated in accordance with ISO 7241/2:2000, pressure drop 0.5 bar 17,0 17,0 17 16,0 16,0 15,0 14,0 12,7 12,0 12,1 12,0 9 9,0 9,1 8,0 8 7,4 7,0 7,0 6,0 1,5 4,5 1,2 1,2 1,8 2,2 Series Nominal Diameter Brass / Steel Stainless Steel Thermoplastic Safety Coded Systems 203 20 50 303 204 71 21 24 72 14 19 206 18 23 22 10 13 48 73 8 3,0 2,7 2,5 3,0 4,0 4,3 5,0 5,5 6,0 5,5 5,5 6,0 5,5 5,5 5,5 6,0 7,5 7,0 7,5 6, P. 206 P. 204 P. 280 P. 216 P. 233 P. 280 P. 225 P. 229 P. 227 P. 235 P. 231 P. 245 P. 280 P. 281 P. 284 P. 296 P. 286 P. 296 P. 296 P. 297 P. 307 P. 303 P. 307 P. 309 P. 309 P. 309 P. 313 P. 349 P. 365 P. 3 EURO German ISO C ISO 72411 B EURO ISO B ISO 72411 B ARO British ISO C ARO European Japanese ISO 72411 B International Flat sealing Mold 2,7
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