Standard Valve and Filter, Inc. is a stocking distributor and manufacturer of precision check valves, relief valves, regulators, solenoid valves, filtration components, temperature, level, and pressure transmitter control instrumentation. They offer a wide range of solenoid valves in brass, stainless steel, direct acting, semi-direct, and pilot-operated configurations for various applications. Additionally, the company designs and manufactures instrumentation valve products including check valves, relief valves, solenoid valves, manifold valves, and regulators. Standard Valve and Filter also specializes in coaxial valves for controlling vacuums and various media, providing high-pressure control at high flow rates for over 45 years.