Data Header is a short sub connected to the upstream side of the choke manifold to provide additional pressure gauge, thermowell, and sampling or injection ports. The data header allows connection of pressure and temperature monitoring equipment, as well as sampling or injection equipment. Features Includes one pressure gauge port, one thermowell, and several sampling or injection ports Designed with the same ID and connections as the choke manifold, surface safety valve, or piping Normally designed with hammer unions for connecting straight to the choke manifold or surface safety valve Complies with API-6A (PSL-2 or -3, PR2) and H2S (NACE† MR0175)

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