Water: 0.02 - 0.14 GPM…1.5-36 GPM Max. temperature: 180°F Max. pressure: 85-1450 PSIG Connection: G 1/4 - G 1-1/2, 1/4 - 1-1/2 NPT female: flange DN 15 - DN 50 Accuracy: ±2.5% of full scale