PUFFER-SWEIVEN SPECIALTIES (PSS) is the on-off valve automation division of Puffer-Sweiven located in Stafford, Texas USA. Since 1945 we have been in the business of providing innovative solutions at a competitive price for some of the toughest valve, automation, and process control problems in the industry. PSS offers a wide range of products and services to solve the most challenging on-off applications. We have valve, actuator and service experience in such applications as chemical process, cogeneration, exploration and production, offshore, food, pharmaceutical, HVAC, oil and gas transmission, power, refining, subsea, water, and waste water. PSS has extensive experience in the management of large domestic and international projects requiring client approvals, certifications, factory acceptance testing, CAD drawings, etc. PSS provides quick service for your immediate manual and actuated valve needs 24 hours per day. We have the ability to assemble and ship most automation assemblies in less than 24 hours.