产品名称：The characters of Pressure-testing Valve
1. Test pressure: Run to the scheduled position and reverse washing 1-2 circles, and test the pressure 5-15 minutes with low flow rate.
2. Unload pressure: Keep the pressure with low flow rate until unload to zero suddenly.
2. Unload pressure: Keep the pressure with low flow rate until unload to zero suddenly.
|
Products
