PIPING MATERIAL CLASS DESCRIPTION - Washington

Document title: PIPING MATERIAL CLASS DESCRIPTION Contract number: DE-AC27-0 lRV14 136 Department : Plant Design Author(s) : B. Gavino -%Gib+ Principal author Document number: Checked by: J. Sutton @&- signature: 24590-WTP-PER-PL-02-00 1, Rev 6 Checker signature: Date of issue: 3/21 fu5 Issue status: Approved by: M. Myatt Approver s position: Discipline Engineering Manager Issued for Permitting Use + Approver signature: River Protection Project Waste Treatment Plant 2435 Stevens Center Place Richland, WA 99354 United States of America Tel: 509 371 2000 24590-PADC-F00041 Rev 5 (6/28/2004) History Sheet Rev 0 1 2 3 4 5 6 Date 09/20/02 0211 0103 03/27/03 12/23/03 02/26/04 03/04/04 3\sbl& 24590-PADC-F00041 Rev 5 (6/28/2004) 24590-WP-PER-PL-02-001, Rev 6 PIPING MATERIAL CLASS DESCRIPTION Reason for revision Revised by Issued for Permitting Use Issued for Permitting Use Issued for Permitting Use Issued for Permitting Use B. Gavino B. Gavino B.

Tapped lugged wafer type (e.g., butterfly, check, etc.) valves have been specified for dead end application, and when fitted between cast iron or non-metallic flanges. Unlined soft seated butterfly valves and plug valves, if required to be “Fire Safe” shall be in accordance

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  Material, Descriptions, Class, Washington, Valves, Piping, Piping material class description

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