Pacific Seismic Products, Inc. has announced its new line of vertical gas shut off valves. These ASCE 25-29 listed seismic actuated valves are designed for residential, commercial and industrial applications. The valves are available in sizes from 3/4" to 6" and "top in/bottom out" or "bottom in/top out" flow. All Pacific Seismic valves are UL, California DSA and City of Los Angeles approved and certified. Pacific Seismic Products, Inc.