{"product_id":"sie-3314311","title":"331-4311","description":"\u003cp\u003eThis 331 Number 3 Pneumatic Damper Actuator with integral pivot and pivot post is a rugged, metal-fabricated device that provides gradual or positive actuation of HVAC dampers. This actuator has a nominal spring range of 3 to 7 psi, has extended shaft mounting and an ozone-resistant rolling rubber diaphragm.  This actuator has an air connection of 1\/8\" NPT female with a straight dual barb fitting for 1\/4\" OD tubing.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":48015873048816,"sku":"SIE-3314311","price":211.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/5118\/9744\/files\/rs_a6v10444965_en.jpg?v=1758698834","url":"https:\/\/www.building-controls.com\/products\/sie-3314311","provider":"Building Controls \u0026 Solutions","version":"1.0","type":"link"}