steel fittings flareless 7000 series ermeto ... ® hydraulic pressure data ermeto® flareless fittings ... · temperatures up to 800°f in carbon steel and 1000°f in stainless steel have been ... handled without failure · burst pressures up to 32,000 psi with 1/4 tubing · ... have been withstood at rated operating pressure with 4-to-1 safety factors for over ten ... obviously under extreme conditions of pressure temperature and/or vibration the safety ... values shown in the following table are pressure ratings of ermeto® flareless fittings ... 1/2 5/8 3/4 7/8 1 1-1/4 1-1/2 2 maximum pressure no surges psi 10,000 9,000 8,000 8,000 ... 3,750 3,600 3,200 3,000 2,750 maximum pressure with surges to 50 6,500 6,000 5,250 5, ... 2,500 2,400 2,100 2,000 1,800 maximum pressure with surges of 50 to 100 5,000 4,500 4, ...