ASCO Numatics is a leading manufacturer of a wide variety of pneumatic and motion control products. The company's product line includes filter elements, valves, air regulators and connectors. The ASCO Numatics Valve catalogue further comprises solenoid, pilot, and manual air control valves; flow control and needle valves; and solenoid valve manifolds. These valves are widely used for controlling the pressure and the amount of compressed air passing through a pneumatic system. Numatics valves also come in 4-way models with NEMA 4 classification. Raptor Supplies, an authorised Asco Numatics distributor, offers a variety of valves for medical, chemical and other industrial applications.