Industrial Specialties Mfg. offers a wide variety of miniature valves, including: plastic ball valves, brass ball valves, needle valves, metering valves, Q-turn valves, EZ Drain precision oil valves, flow control valves, button-pilot-shuttle-toggle valves, stopcocks, plastic/metal relief valves, regulators, pinch valves, etc. Q-turn valves allow temperatures ranging from -22°F to 176°F, and the valve flow rate is 55 GPH. Plastic ball valves come in 13 configurations, have a maximum operating pressure of 150 psi, and a maximum operating temperature of 140°F. Pinch valves come in two different configurations, are made of Delrin/polypropylene materials, and have a maximum tubing range of 7/16 - 1/2 inches. Needle valves come in 8 configurations, a maximum operating pressure of 500 PSI, and a maximum operating temperature of 180°F. Metering valves come in two configurations, and are offered in both metric and fractional sizes.