anderson greenwood pressure safety valve free sample

Through our “VR” certification from the National Board of Boiler and Pressure Vessel Inspectors, Cornerstone provides “24/7” asset management and repair services for all brands of pressure relief products in ASME Section I and VIII applications and is capable of testing on steam, air/gas, and liquid medias.

Anderson Greenwood brand is regarded as a worldwide technology leader in research, design, and manufacture of high quality premium performance pilot-operated and direct spring-operated pressure-relief valves as well as specialty products such as safety selector valves and tank blanketing regulators. In the highly-specialized field of pressure relief devices, no manufacturer can match the diversified products, designs, and application experience of Anderson Greenwood. The product technology of Anderson Greenwood solves applications for gas, liquid, steam, and multi-phase flow conditions in offshore oil and gas production, gas processing, refining, petrochemical, and chemical processing systems.

Incorrect lapping and or the use of the wrong abrasives and lapping tools are the most common reasons for leaking valves after repair, leading to lengthened servicing turnaround times. For time critical plant shutdowns, it’s very important that seats and seals are repaired correctly first time.

Kemet have produced a lapping kit that can be used on Tyco, Crosby, and Anderson Greenwood pressure relief valves. The kit consists of:15 Lapping / Polishing blocks, double sided with Kemet composite (D through T2 orifice sizes)