Spence Engineering Company, Inc.
May 31, 2005
The Type D50 direct-acting pressure reducing regulators is available in sizes ranging from 1/2 to 2 in. in cast iron, 1/2 to 3/4 in. in bronze, and 1/2 to 1 in. in stainless steel and is rated to 300 psig at 420°F, reducing pressure from 3 to 140 psi. Other features include a spherical seating surface, five spring ranges, and an integral stainless steel strainer.