(!)[Please update your OS version] Windows 7 users will be excluded from the recommended environment from 15 December 2019 onwards due to the end of support for Windows 7.

  • Due to Corona virus (2019-nCoV) outbreak, some suppliers must stop operation to follow additional precautionary measures until further notice. Some products delivery may be delay. Masks and other sanitary related products are suspended. Apologize for any inconvenience caused.

KOYO Pipe, Tubes, Hoses & Fittings

KOYO Co. Ltd. is a specialist manufacturer of brass couplings especially for fine diameter pipes. In 2007 the company made a change from using general brass materials to using cadmium-free brass, making all standard products compatible with European RoHS specifications. The company offers a wide range of products including ring joints, push-expansion couplings, hose couplings, tube couplings, screw-in couplings, manifolds, check couplings, and miniature needle valves.