Profile: E.F. Britten & Co.,Inc., is a business firm offering products like DOT specification cylinders, and a line of needle valves used for sampling and transport of various chemicals. We provide low-pressure steel cylinders. We manufacture refillable and disposable DOT-4B and DOT-39-NRC carbon steel cylinders plus a wide selection of brass, nickel plated brass, stainless steel and monel needle valves for specialty gas and laboratory applications. Our cylinders are made from cold rolled steel, and are copper brazed in our controlled atmosphere brazing furnaces.