Model WY-50 (V5) WY-100 (W4) WY-200 (W5) W3 W4-A W4-1 W5-1 W-300 pumping speed m3 / h 200 370 770 200 370 370 770 1080 limit pressure Pa 1300 1300 1300 2600 2,600,260,026,002,600 pump speed r / min 300 200 200 300 200 530 430 300 equipped with a motor KW 5.5 11 22 5.5 11 11 22 30 cylinder diameter × stroke 250 × 150 350 × 200 455 × 250 250 × 150 350 × 200 250 × 150 350 × 200 450 × 200 into the pipe diameter 2 "4", 5 "2" 4 "4", 5 "175 2" 4 ", 5" 2 "4" 4 "5" diameter intake pipe 175 1/2 "3/4" 3/4 "1/2" 3/4 "1/2" 3/4 "3/4" of 1/2 "3/4" 3/4 "1/2" 3/4 " 1/2 "3/4" 3/4 'volume (mm) length (L) 1435 1819 2357 1418 1819 1486 1805 1980 width (W) 624 876 1010 630 876 520 670 745 height (H) 710 900 1162 650 900 720 860,980 works: W, WY series reciprocating pumps are mainly vacuum to obtain a crude vacuum distillation equipment it is widely used in oil refining, paint, plastic, soap, food, sugar, pharmaceuticals, etc., evaporation, crystallization, drying filtration applications. In those industries: W, WY series reciprocating pumps is to obtain rough vacuum of major equipment. Widely used in vacuum distillation refining, paint, plastic, soap, food, sugar, pharmaceuticals, etc., evaporation, crystallization, drying filtration; architectural concrete work; low need metallurgical industry in the vacuum degassing and other sectors, low job I plant complete professional production of vacuum pumps, specifications, reliable, can now be customized, intends to call