* Note: Contact your sales representative for compliance to NACE MR or later requirements. Series 900 OMNI-TRIM valves provide reliable blowdown without the need for adjustment. Series 900 OMNI-TRIM valves use a single trim design for liquid, gas and vapor services. Series 800 pressure relief valves have an external blowdown adjustment allowing for short blowdown, smaller differential between operating and set pressures, and reduced product loss. Fewer parts result in increased reliability and ease of maintenance. Standard Series 800 and Series 900 OMNI-TRIM pressure relief valves are suitable for inlet temperatures to 750 F, using a 17-7PH stainless steel spring. All 316 stainless steel, Monel, Hastelloy and NACE* optional constructions are available. Trim components are stainless steel as standard. Precision lapped flat metal-to-metal seats, or elastomer or TFE O-ring soft seats provide the ultimate in seat tightness. Valves manufactured in accordance with the requirements of ASME Boiler and Pressure Vessel Code Section VIII and Section III. Certification includes air and steam for Series 800, and air, steam and water for Series 900. Features Relieving capacities certified by National Board of Boiler and Pressure Vessel Inspectors. Backed by over 140 years of engineering and application experience, its versatile and rugged design make it a proven solution for oil and gas, process and power industry overpressure protection.1 Crosby s Series 800 adjustable blowdown and Series 900 fixed blowdown OMNI-TRIM full nozzle pressure relief valves have a simplified, single trim design with superior application versatility. The J-Series pressure relief valve provides overpressure protection from very basic to the most demanding applications. J-Series valves provide high quality and dependable overpressure protection for air, gas, steam, vapor, liquid and two-phase applications in one simple design Adjustable blowdown to reduce product loss.Soft seat options for superior seat tightness.Interchangeable parts to reduce maintenance costs.Highly customizable to meet most applications.Full compliance with all major global pressure relief standards including ASME VIII, API 526/527, EN4126 and PED/CE.ASME/NB certified capacities for air, water and steam.Sub-Type: Crosby Pressure Relief Valves.

Crosby relief valve