Description A "push-to-open" Manual Relief Valve that is similar in construction to and mounts in the same hole as the TA327 Breather Valve. Side venting design permits pressure equalization even when the button is depressed by personnel wearing arctic gloves. May open automatically at vacuum pressures above 6.0 psid. Can be mounted through a 0.51 in. (13 mm) diameter hole. Part No. TA317, without hex nut, installs in a 0.500-20 UNF-2B threaded boss. Materials Housing - Aluminum Finish Housing - Anodize Mounting Requirements Nut & O-Ring, provided with each valve Mounting Hole Diameter 0.51 ± 0.01 (13 ± 0.25 mm) Installation Torque 30-40 in. - lbs. (3.4-4.5 N•m) Maximum Wall Thickness 0.14 (3 mm) Weight 0.046 lb. (21 grams) Add washer for wall thickness less than 0.03 (1 mm). (P/N MS15795-855, order separately.) For threaded boss installation: 0.500-20 UNF-2B; 0.51 ± 0.01 (13 ± 0.25 mm) diameter X 0.02 (1 mm) minimum deep counterbore required for thread relief. Part No. TA317 comes without hex nut. The TA316 is appropriate for use on NEMA 1, 2, 3, 3R, 3S, 4, 5, 6, 12, 12K, and 13 enclosures, as well as IP65/IP67 enclosures. This item may also be appropriate for use on other NEMA or IP enclosures, depending upon the application. Contact AGM's Engineering department for more information.
