These 4" Access Ports provide access to desiccant, data, accessory storage areas or for diagnostic testing of contents in containers, eliminating the labor of opening the container, and reducing the exposure of the contents to hostile environments. The TA495 has a clear opening of 3.40 in. (86 mm) dia. Access Port is installed through a 4.015 in. (102 mm) dia. hole. Gasket, washer and mounting nut are furnished.
Designed for mounting on a smooth, flat surface; may not seal tightly if surface is curved, domed or too rough.
The TA495-5 has a 2.015 in. (52 mm) dia. hole in cover for mounting a TA770-R Two-Way Pressure Relief Valve.(Order valves separately)
Tamper-Proof: Holes through cover and flange of Access Port are provided for safety wiring and inspector's seal.
Materials and Finishes: Aluminum alloys, conversion coated per MIL-DTL-5541. Mounting nut finishes are conversion coated. Note: Mounting Nut additionally coated with dry film lube. Stainless steel cover, passivated. Buna-N o-ring and gasket.
Weight: 0.91 lbs. (413 grams)
Torque Value for Spanner Nut: 150 lb. in. (17 N•m)
Rated Pressure: 5.0 PSID
Required mounting hole diameter: 4.015 + 0.030 / - 0.015 inches
The TA495 (solid cover)is appropriate for use on NEMA 1, 2, 3, 3R, 3S, 4, 5, 6, 12, 12K, and 13 enclosures, as well as I66/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.
A version of this port that meets SAE AS5135 is available. Contact AGM's Sales department for more information.
