{"product_id":"industrial-ap79psnst-pneumatic-actuator-spring-return","title":"Industrial AP79PSNST Pneumatic Actuator Spring Return","description":"\u003cdiv\u003e\u003cp\u003eThe AP79PSNST Pneumatic Actuator is Asahi\/America’s Series 79 air-to-spring actuator designed for 1\" Type-21\/23 Duo-Bloc ball valves, delivering a reliable spring-return action with an air-open configuration. This single-acting unit operates on 80–120 psi supply and uses preloaded springs to return to the closed position, providing fail-closed behavior if pressure is lost. When paired with the Duo-Bloc 21 valve package, the device provides a 1040 N actuation rating and is built to withstand ambient temperatures up to 176°F, making it suitable for corrosive service in chemical processing and water treatment environments. The AP79PSNST employs a standard Type-21 mounting interface for straightforward installation and is available within Fast Pack configurations for turnkey valve-actuator assemblies. As part of the Series 79 family, it complements other air-to-spring and air-to-air configurations to meet varying system demands, delivering compact, dependable quarter-turn control for valve automation.\u003c\/p\u003e\u003c\/div\u003e","brand":"Asahi","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51660153159982,"sku":null,"price":290.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_722696af-0046-433a-ba2f-c4341317fd5d.jpg?v=1769533692","url":"https:\/\/plgautomation.com\/products\/industrial-ap79psnst-pneumatic-actuator-spring-return","provider":"PLG Automation ","version":"1.0","type":"link"}