Farris relief valve maintenance manual

This Maintenance Manual is intended to present all the essential information you will need in order to keep your Farris valves in perfect operating condition. Generally, maintenance becomes necessary as a result of dirt or scale in the lines, exposure to service conditions, incorrect servicing, improper testing procedure, or improper installation. The three grades of Farris Lapping Compounds are prepared especially for the requirements of pressure relief www.doorway.ru are the only compounds recom-mended for achieving extreme valve tightness. Lapping Procedures (manual) 1. Use a cast iron lapping block or Pyrex lapping glass which is known to have a perfectly flat face. Pyrex Lapping Plates. Selecting and specifying Farris pressure relief valves is simple using the numbering system that follows. Each digit of the type number has a distinct significance. The digits describe the basic valve series, orifice, seat design, inlet temperature range, body, bonnet and spring material, inlet type and pressure rating. 1. Quantity.* 2.

The three grades of Farris Lapping Compounds are prepared especially for the requirements of pressure relief www.doorway.ru are the only compounds recom-mended for achieving extreme valve tightness. Lapping Procedures (manual) 1. Use a cast iron lapping block or Pyrex lapping glass which is known to have a perfectly flat face. Pyrex Lapping Plates. The very latest Farris product brochures, user manuals, technical data sheets and white papers. series pilot operated relief valve beginning with the main valve. Selecting and specifying Farris pressure relief valves is simple using the numbering system that follows. Each digit of the type number has a distinct significance. The digits describe the basic valve series, orifice, seat design, inlet temperature range, body, bonnet and spring material, inlet type and pressure rating. 1. Quantity.* 2.

Courtesy of Farris Safety-Relief Valves. Relief valves are used in piping systems that service liquid commodities and are designed to open. pressure), and PCL (liquid service) pilot valves. Main Valve: Advantage Farris includes nozzle, piston, retainer and guide for long and versa-. Farris Relief Valves. With Farris, a trustworthy valve is only part of our promise. Farris provides customers with total pressure relief management solutions.