Batuvalve Technical Documents

Recommended Pipe Flow Velocity by Fluid

Recommended flow velocity ranges (m/s) for water, oil, steam, air and gas lines.

Pipe Flow Diagram

Converts between flow velocity, nominal pipe diameter and flow rate. With two values known, read the third from the chart.

Metric Conversion Table

Millimeter equivalents of inch fractions in 1/64″ steps, with whole inches from 0″ to 6″.

Compressed Air Pipe Capacity Table

Compressed air capacity (dm³/s) by nominal pipe diameter and flow velocity.

Free Airs Volume Values Under Pressure

Volume (dm³) that free air occupies when compressed to 4, 5 and 7 bar.

Steam Capacity With Respect To Pipe Diameters

Steam capacity (kg/h) by nominal pipe diameter at 0.4–14 bar and at 15, 25 and 40 m/s.

Steam Saturation Temperature Table

Saturation temperature (°C) of steam at pressures from 1 to 80 at.

Saturated Steam Table

Temperature, enthalpy and specific volume of saturated steam at 0.10–51 bar absolute.

psi to kg/cm² Conversion Table

Two-way pressure unit conversion between lbs/sq.in (psi) and kg/cm².

Conversion Table For Ansi Norm To Din Norm

DIN PN (bar) equivalents of ANSI Class 150 to 2500 pressure classes.

Din Norm Flange Dimensions Table

Connection dimensions of DIN flanges from PN 6 to PN 150 for DN 10 to DN 250. All dimensions in millimeters.

Asme B16 B-Norm Flange Dimensions Table

Connection dimensions of ASME flanges in Class 150, 300, 600 and 900 for DN 15 to DN 250. All dimensions in millimeters.

Valve Material Chemical Compatibility Chart

Chemical compatibility of eight body and seal materials with 304 industrial fluids.