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home products general industrial equipment gas cleaning ecological equipment water-preparation equipment equipment for food and processing industries application fields gas-fire boilers of RIO series metal construction facilities history sales dpt. ask a question contacts ordering of equipment	Products General industrial equipment:> Gate valves and pumping units:> Figures>> Pinch valves Pinch valves (produced under the license of “RF Technologies,Inc” company USA, Maryland), are designed for work in abrasive, corrosive slurries , liquids and powders. They find application in chemical, metallurgical, construction, mining, pulp & paper, electrotechnical industries as well as in domestic and industrial waste waters treatment. Design version : with manual, pneumatic, hydraulic and electromechanical actuators. Designed for work in abrasive and corrosive slurries, liquids and powders. Inner diameter – from 25 up to 1000 mm ,complete product passage , operating pressure 1,5; 10; 20 and 40 kgf/cm2, temperature – from – 45 degr. oC up to +160 degr.oC, pH 1-13. Standard design with full opening guarantees unlimited 2-way flow, low resistance and precise linear flow, zero leakage. Self-cleaning , flexing action of the valve prevents the accumulation of scale and eliminates its clogging. It will never jam or seize. Elastomeric tube is the only part in contact with the process stream .For its replacement no special tools or skills are required. Sealed body and seamless “face-to-face” design eliminates the possibility of clogging. Valves chief advantages : Moulded under pressure elastomeric tube has longer service life than more expensive materials , such as stainless steel, stellite or other alloys in ball, conic, membrane or conventional pinch valves when operated in abrasive-corrosive materials forming scaling deposits. Our valves come with standard ASME or DIN dimensions making them interchangeable with most ball, plug, membrane etc. valves. This interchangeability provides the possibilities of modernizing and improving of factories work. SMART Valve ™ Wear monitoring sensor is built into each tube and gives an automatic signal when a tube needs replacement reducing thus downtime and outage cost associated with unexpected valves failures. Elastomeric tube is the only part in ontact with the process stream .No pecial tools or skills are required for its replacement. This reduces maintenance cost by up to 70 %. Uncomplicated procedure of elastomeric tube replacement . Elastomeric tube can be replaced when lower body part is dismantled . It is not necessary to remove valve from the pipeline for its repair. No special accessories as well as no mechanical treatment of sealing surfaces are required. Valves advantages : never jams or seizes scaling deposits are destructed and flow away with the stream. DIN standard valves       Manual handwheel Pneumatic Hydraulic Electromechanical Pneumatic 2 DN Pressure   М1 М6 М10 Р1 Р6 Р10 Н1 Н6 Н10 Е1 Е6 Е10 Р1 Р6 Р10 25 A=127 B=181 Weight С D 12 384 276 12 384 276 12 384 276 12 409 314 12 409 314 12 419 323 12 428 333 12 428 333 12 428 333 25 530 428 25 530 428 25 530 428 12 489 244 12 489 244 13 505 251 30 A=139 B=193 Weight С D 13 406 279 13 406 279 13 406 279 13 431 330 13 431 330 14 441 336 13 450 346 13 450 346 13 450 346 26 549 441 26 549 441 26 549 441 14 511 254 14 511 254 16 527 263 40 A=165 B=206 Weight С D 14 428 323 14 428 323 14 428 323 14 431 320 14 431 320 15 466 352 14 469 349 14 469 349 14 469 349 27 572 454 27 572 454 27 572 454 16 536 267 16 553 277 18 553 277 50 A=177 B=241 Weight С D 17 454 324 17 454 324 17 454 324 20 501 361 20 501 361 20 501 361 20 511 340 20 511 340 21 520 349 32 584 406 32 584 406 32 584 406 25 581 292 25 581 292 27 597 299 65 A=190 B=241 Weight С D 25 486 346 25 486 346 25 486 346 25 451 390 26 549 400 28 549 400 25 575 390 25 590 400 25 584 400 39 641 445 39 641 445 40 641 445 31 616 308 33 629 314 37 629 314 75 A=203 B=282 Weight С D 30 514 359 30 514 359 30 514 359 27 590 428 30 600 428 33 666 470 30 627 429 30 641 441 30 680 479 43 679 470 43 679 470 43 679 470 33 660 330 36 670 333 43 740 368 100 A=228 B=317 Weight С D 38 679 479 38 679 479 38 679 479 38 695 489 42 730 520 45 730 520 36 721 479 36 759 520 40 670 520 43 584 489 43 584 489 43 584 489 40 771 384 45 841 419 50 841 419 125 A=254 B=342 Weight С D 60 746 657 60 746 657 60 746 657 55 775 540 60 806 574 68 809 577 65 790 524 65 841 575 70 841 581 52 797 521 53 797 521 56 797 521 58 229 416 58 889 445 73 911 454 150 A=266 B=400 Weight С D 86 902 641 86 902 641 86 902 641 76 902 560 89 905 673 92 1051 790 76 894 600 81 940 641 86 1051 749 68 870 559 68 870 559 68 870 559 80 981 489 88 991 495 100 1210 606 200 A=292 B=517 Weight С D 144 1102 800 144 1102 800 144 1102 800 144 1102 756 159 1210 870 194 1476 1133 144 1111 746 144 1270 889 164 1270 889 151 1029 651 159 1029 651 192 1070 689 134 1149 575 164 1391 695 207 1914 959 250 A=533 B=558 Weight С D 211 1279 889 211 1279 889 211 1279 889 169 1251 860 224 1670 1292 289 1892 1502 164 1359 921 174 1480 1041 184 1480 1041 181 1200 740 216 1241 784 231 1251 784 197 1270 635 257 2121 1060 338 2549 1276 300 A=609 B=720 Weight С D 268 1451 1010 268 1451 1010 268 1451 1010 357 1441 981 372 2121 1670   302 1575 1060 312 1559 1181 327 1721 1190 278 1372 829 308 1419 879 348 1451 902 196 1432 714 430 2819 1410   350 A=685 B=841 Weight С D 358 1600 1130 358 1619 1149 358 1619 1149 530 1619 1102     357 1781 1194 372 1921 1321 427 1930 1330 418 1530 921 468 1581 962 668 1610 991 416 1594 797     400 A=762 B=1079 Weight С D 510 1959 1305 560 1981 1371 630 1981 1371 570 1800 1219     530 2000 1340 560 2130 1461 645 2149 1470 620 1730 1051 690 1759 1080 910 1781 1080 610 1756 876     450 A=863 B=1181 Weight С D 568 2130 1460 628 2149 1480 778 2149 1480 650 1981 1334     582 2331 1600 612 2350 1600 712 2359 1616 728 1902 1140 958 1940 1171 1018 1981 1210 706 1914 959     500 A=914 B=1279 Weight С D 675 2330 1575 755 2350 1600 905 2350 1600 695 2172 1451     665 2549 1740 745 2559 1740 865 2578 1759 785 2070 1232 995 2102 1260 1055 2149 1298 755 2077 1038     Choosing of elastomer type Elastomer quality Features Natural Rubber NR Styrene Butadyene Rubber SBR Butyl Rubber IIR Nitrile Rubber NBR Chloroprene Rubber CR Fluorine Rubber FPM (Viton) Chloro-Sulphene Ethene Rubber CSM EthanePropane Rubber EPDM, EPM Operating temperature Мax, 0C Min 0C +78 -53 +121* -45 +138 -51 +121 -40 +121 -40 +248** -20 +171 -40 +121 -51 Elasticity 5 5 2 3...4 3...4 2 3 3 Resistance -weather and Ozone - acids - alkalis - oils, lubricants -aromatized oils -water -wear -flame 1...2 2...3 2...3 1 1 5 4...5 1 1...2 2...3 2...3 1 1 3...4 4 1 3...4 4 4 1 1 3...4 2...3 1 1...3 3 2...3 4 3 5 3...4 1...2 4 3 3 2...3 1 3 3...4 3...4 5 3...4 1...3 4 4 4 3 4 5 4 4 2...3 1 3...4 3 3 5 3...4 3...4 1 1 5 3 1 Gas permeability 3 3 5 3 3...4 4 4 2...3 Electricalresistance 4 4 4...5 1...2 3 3 3...4 4    See also Print version
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