2600Series PRV Catalog 304C R2

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2600 series PRV catalog 304C R2
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  304C Series 2600 Pressure Relief Valves  Table of Contents Introduction ..............................................................................................1The Farris Advantage ................................................................................22600 Series Design ..................................................................................32600 Series Construction .........................................................................42600 Series Metallurgy ............................................................................52600 Series Operation ...........................................................................6-7General Technical Information ...................................................................8Definitions ................................................................................................9 Scope Type Numbering System ....................................................................10-11Ordering Information, Replacements .......................................................10Standard Bills of Material...................................................................12-13Series 2600L Certified Design ................................................................14Series 2600S Exposed Spring .................................................................152600/2600L Balanced Piston Design ......................................................16Heat Transfer Fluid Service/Low Temperature .........................................17Corrosive and Low Temperature Materials .........................................18-20Sour Gas (H2S) Materials ........................................................................21O-Ring Seat Pressure Seal.................................................................22-23Orifice Selection Tables and Charts, U.S. Units ...................................24-38Orifice Selection Tables and Charts, Metric Units ...............................43-56Super Capacity Valve Scope....................................................................61Super Capacity Bills of Materials .......................................................62-63 Valve Pressure Limits (Special Materials) ...........................................79-83 Capacity Tables  Air 10% Overpressure, U.S. Units ............................................................39Steam 10% Overpressure, U.S. Units ......................................................40Water 10% Overpressure Code 2600L, U.S. Units ...................................41Water 25% Overpressure, Non Code, U.S. Units ......................................42 Air 10% Overpressure, Metric Units ........................................................57Steam 10% Overpressure, Metric Units ..................................................58Water 10% Overpressure, Code 2600L, Metric Units ..............................59Water 25% Overpressure, Non Code, Metric Units ..................................60Super Capacity 2600 Series Overpressure, U.S. Units ........................64-65Super Capacity 2600 Series Overpressure, Metric Units ....................66-67 Accessories Cap and Lever Materials .........................................................................68Test Gag Installations ..............................................................................69Remoter, Bugproof Vent and Valve Position Indicators .............................70Steam Jacketing Methods ......................................................................71 Dimensions and Weights  Valve Dimensions and Weights ..........................................................72-75 ANSI Flange Connection Types ................................................................76 ANSI Flange Dimensions .........................................................................77DIN Flange Dimensions...........................................................................78 Sizing Sizing Equations and Nomenclature ........................................................84Conventional Valves ................................................................................84BalanSeal Valves ....................................................................................85Fluid Data ...............................................................................................86Sizing Factors for Vapors & Gases...........................................................87Sizing Factors for Steam .........................................................................88Sizing Factors for Liquids ...................................................................89-91Conversion Factors .................................................................................92  1 This catalog covers Series 2600, 2600S and 2600L pressure relief valves including the latest infor mation available to assist you in the sizing and selection of the proper valves for your application.Farris pressure relief valves have over a half century of proven performance providing auto matic and positive protection against overpressure in thousands of industrial plants and facilities worldwide. Our earned reputation as “the First Line of Safety” is the result of countless Farris innova-tions combined with progressive engineering, sound design and high quality production. Warranty  All products manufactured by Farris Engineering are warranted free of defects in material and workmanship when used within the range recommended for a period of one year after installation or eighteen months from delivery. When authorized, any defective product may be returned to the factory and if found defective will be repaired or replaced free of charge, solely at the discretion of Farris Engineer-ing, ex-works our factory. No charge for labor or other expense incurred will be allowed, as the liability of Farris Engineering is measured by the refund price of the defective product only. All warranties are based on the product being used within the range recommended and does not cover damages or defects due to normal wear and tear, misuse, alteration or neglect. The purchaser shall determine the suitability of the product for use and assumes all risks and liabilities in connection therewith.This warranty does not cover the performance of valves tested at site on test equipment that is not to the same technical standard as that used by the manufacturer. Introduction Our headquarters and manufacturing facility located in Brecksville, Ohio, oversees the production of these superior valves at plants in the United States, Canada, the United Kingdom, and China. The Brecksville facility is also respon-sible for research and development, engineering, manufac-turing technology, and sales and marketing. We offer the services of our engineering sales representatives throughout the world as well as our Farris Authorized Service Teams (FAST Centers) and headquarters staff to extend you every possible customer service.  2 The Farris Advantage Farris pressure relief valves are designed to automatically protect your equipment against excessive overpressure. Every care is taken in the development, design and production of these valves to ensure complete dependability in perfor-mance. Our constant objective is to provide a superior valve that will assure ultimate protection at the lowest cost, both initially and throughout its service life. What is the Farris Advantage? ã  Easy sizing and selection of valves using Farris catalogs and/or SizeMaster ™  Sizing and Selection software. ã  A method of specification and ordering that is simple, accurate and complete. ã  Accurate and timely shipments in accordance with our computerized inventories. ã  Factory-trained engineering/sales staff to assist you in solving your pressure relief valve problems. ã  Streamlined design to allow you maximum flexibility in the use and repair of your Farris pressure relief valves. ã  Assurance of the utmost safety of your equipment when protected by a Farris valve. ã  Maximum seat tightness in accordance with stringent inspection and testing. ã  Complete repair and maintenance information that affords you repairs in your own maintenance shop. ã  Maximum interchangeability of parts. ã  Continuous availability of replacement parts at our plants and authorized service centers for immediate shipment to meet your emergency requirements. ã  Long service life of a soundly-designed pressure relief valve made from materials suited to your service. ã  Twenty-four hour/seven-day customer support is achieved via our FAST Centers and our Web-based CW Commerce Program accessible to all Farris Representatives.
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