Xi\'an ZZ Top Oil Tools Co.,Ltd is one of the top level data header manufacturers and suppliers,Website: , with professional factory, we are able to produce API and oilfield oilfield data header, well testing data header, welcome to contact us. The data header is located directly upstream of the choke manifold and downstream of the surface safety valve, which is used in well surface testing operation. The data header provides access to the flow stream for pressure and temperature data acquisition, supplied with hammer unions as standard, the data header can also have hub type or flange connections. Function of data header: *Exactly recording the data of the temperature and pressure *Injecting the anti-freezing fluid, defoamer, and demulsifier. *Surveying the sanding situation *Sampling Specification of Data header Service H2S and CO2 Size 52mm (2 1/16”); 65mm (2 9/16”); 78mm (3 1/16”) Working pressure 5000psi(35Mpa); 10000psi(70Mpa);15000psi(105Mpa) Working Temperature -20oF - 250oF  (-28.9oC - 120oC) General Standard PR1 Data Ports Integral machined into body 1/2” NPT - QTY 4 3/4” Autoclave - QTY 2 Chemical Injection 1/2” NPT needle valve and check valve Sample port 1/2” NPT Needle Valve Pressure 1/2” NPT needle valve and pressure gauge Deadweight Tester 1/2” NPT needle valve Temperature 3/4” Autoclave with thermowell Temperature 3/4” Autoclave, thermowell and local thermometer Standards NACE MR01-075  API6A API 6A, PSL-3, EE, P+U