{"product_id":"caleffi-551004a-discalair-high-discharge-automatic-air-vent-1-2-npt-female","title":"Caleffi 551004A DiscalAir High Discharge Automatic Air Vent - 1\/2\" NPT Female","description":"Technical specifications\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eMaterials:\u003c\/strong\u003e \u003cbr\u003e- body: brass \u003cbr\u003e- cover: brass \u003cbr\u003e- float: polypropylene \u003cbr\u003e- float guide: brass \u003cbr\u003e- release valve stem: brass \u003cbr\u003e- float lever: stainless steel \u003cbr\u003e- spring: stainless steel \u003cbr\u003e- hydraulic seals: peroxide-cured EPDM\u003cbr\u003e\u003cbr\u003e Suitable fluids: water, glycol solutions \u003cbr\u003eMax. percentage of glycol: 50% \u003cbr\u003eMax. working pressure: 150 psi (10 bar) \u003cbr\u003eMax. discharge pressure: 150 psi (10 bar) \u003cbr\u003eTemperature range: 32–230°F (0–110°C) \u003cbr\u003e\u003cbr\u003eConnections: 3\/4” male NPT and 1\/2” female NPT \u003cbr\u003e\u003cbr\u003eNOTE: Maximum torque for connecting the 1\/2” female NPT connection is 25 ft-lb (35 N-m).","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":47345158291629,"sku":"551004A","price":69.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/551004A.png?v=1787911114","url":"https:\/\/www.bostonheatingsupply.com\/products\/caleffi-551004a-discalair-high-discharge-automatic-air-vent-1-2-npt-female","provider":"Boston Heating Supply","version":"1.0","type":"link"}