Specifications oF-s ** M~ water, according to tests, exceed o;a#39;aasarePreaquot; of water produced by quartz diet-*6*1TM0116 tion. ... Return this card for data, see page gg . . . from Welch contains photos, descriptions, specifications and typical performance curves of all aquot;Duo-Sealaquot; vacuum pumps. Welch vacuum pumps range in capacity from 21 to 1, 400 liters/minute. ; Return this card for your free catalog andanbsp;...