Gauge valve is made of 316 stainless steel and features a small footprint for quick, convenient access for isolation and venting of pressure gauges. Pressure gauges can be positioned with tube adapter ends, eliminating threaded connections and leak points. Purge valve provides easy bleeding of trapped fluid pressure between valve seat and gauge upon shutoff. Available with ½-in. or 12-mm tube fitting end connections, it is rated for temperatures to 450°F and pressures to 4,000 psig.Swagelok Co., (440) 649-5629, www.swagelok.com