Signed: Date: Print name: 687 TECHNOLOGY WAY, NAPA, CA 94558 ∙ PHONE (707) 259-0102 ∙ FAX (707) 259-0117 www.aptech-online.com 2.07 revision 2

Cleaned, assembled and packaged for high purity semiconductor applications 100 psig outlet achieved with 80 psig control pressure or less Actuation ‘fail safe’ normally closed (NC) …

Cleaned for O2 service Field repairable Installation and operating instructions available at www.aptech-online.com in the Tech Briefs section

www.aptech-online.com The HF, high flow, option has been available for years with the 1000 and 1200 series. The same basic option is now available with the AP, AZ and AK 1500 series and …

Cleaned for O2 service Field repairable Diffusion resistant Stainless Steel diaphragm Installation and operating instructions available at www.aptech-online.com

687 Technology Way n napa, ca 94558 • (707) 259-0102 • Fax (707) 259-0117 www.aptech-online.com

DESCRIPTION OF CHANGE & JUSTIFICATION Update operating instructions to include new valve models: AK/AP/AZ3084, AP4457, AP4459.

Inconel® Special Metals Corporation Kalrez®, Vespel® & Viton® DuPontTM Neoprene1 was originally trademarked as Duprene® DuPontTM. The company changed the name to …

Dance About A new series of valves provide dual mode, two step actuation – metered flow and full open. The new AP 3571 and 4571 series combine an adjustable metered flow from 10 to …

687 TECHNOLOGY WAY • NAPA, CA 94558 • (707) 259-0102 • FAX (707) 259-0117 www.aptech-online.com