Maggnavac Industries, Inc. carries a complete line of 150 lb. ASA flanges, fittings, flex couplings, metal hoses, and accessories in both non-rotatable and rotatable versions. Blank or bored flanges are available to fit tubing sizes from 1" to 12". Special bores or configurations are also available upon request. The ASA flange seals by tightening nuts and bolts compressing an O-ring between them. ASA flanges are designed for use in applications ranging from modest positive pressure to 10(-8) Torr. The most common combinations of weld fittings are listed in this catalog, in addition we have the facilities to provide any special or unusual fabrications you may require.