{"product_id":"bell-gossett-110129-asme-safety-relief-valve","title":"Bell \u0026 Gossett 110129 ASME Safety Relief Valve","description":"\u003cp\u003eThe ASME‑certified safety relief valve safeguards boilers and hydronic systems by instantly releasing excess pressure to prevent over‑pressurization. This Bell \u0026amp; Gossett model, \u003cstrong\u003e110129\u003c\/strong\u003e, is designed for 1170‑30 series units and meets rigorous industry standards.\u003c\/p\u003e\u003cp\u003eWhen system pressure exceeds the preset limit, the spring‑loaded disc lifts, allowing fluid to vent through the outlet port, and reseats automatically once pressure normalizes, ensuring continuous protection without manual intervention.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet Pressure Range:\u003c\/strong\u003e 30 psi (207 kPa) typical for 1170‑30 series.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Capacity:\u003c\/strong\u003e Up to 150 gpm at design pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Construction:\u003c\/strong\u003e Cast iron body with stainless‑steel sealing elements for durability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial boiler rooms, district heating loops, and HVAC chill‑water circuits where reliable pressure relief is critical.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43123812991070,"sku":"110129","price":231.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/110129_image_039cbe33-1c50-4242-ac77-2362e0212565.png?v=1786019163","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-110129-asme-safety-relief-valve","provider":"National Boiler Supply","version":"1.0","type":"link"}