Commercial Automatic Changeover Regulators and Manifolds are desigend for large capacity multi-cylinder or tank installations.

Type MR98H is a direct-operated relief valve for use on relief and backpressure applications involving large LPG pumping systems and vaporizers. Internal pressure registration eliminates the need for a control line. It is available in sizes from 1/2 in. to 1 in., relief pressure ranges from 15 to 200 psi. The MR98HH is a 1" size with relief pressure range from 150 to 375 psi.