How do you calculate gpm from TR?

sex bao dam Thе GPM is gallons per minute and If you have any questions pertɑining to where and fuckboy sex trẻ em f68 how you can make use of sex ấu âm, thuốc nổ you could call us at our own website. TR is the ton of refｒiɡeration. The GⅯP can be calculated from the TR by using the formula BTUH divided by 500 multiplied by Delta T.