The Levelstate Type 502 Water Column from HMA INSTRUMENTATION is a high-pressure water column manufactured from ASTM A106 carbon steel or stainless steel seamless pipe. The rating is 207 bar @ 370°C, and pressure-tested to 310 bar @ ambient temperature, or 570°C for stainless steel pipe. The probes are located using stainless steel inserts welded into the pipe at custom spacing as determined by the customer. Steam and water connection stubs are provided with either socket or butt weld finishes.