The McElroy McCalc® calculates fusion parameters based on industry standards and specifications for McElroy hydraulic fusion machines. Select from a list of McElroy fusion machines and fusion standards, then enter pipe size, wall thickness and drag pressure. Tap the "Calculate" button and McElroy McCalc® displays the pressures and times for fusion cycles and heater temperature range according to the selected standard. Features: - A list of McElroy hydraulic fusion machines - Industry standards: ASTM, ISO, GIS, WIS, and DVS - Pipe size entry in IPS, DIPS, OD, or JIS - Wall thickness entry in DR or actual wall thickness - Pressure entry in psi, bar, kg/cm², or MPa - Heater temperature displays in °F when “psi” selected for pressure and °C otherwise. - Timer counts up continuously. Tap to reset. - Languages: English, Portuguese, Russian, Spanish, and Simplified Chinese