... 2.energy conserving 3.long life,high rising pressure blower 4.high volume 5.stable performance, high efficie ... capacity: 6.05m3/min to 12.48m3/min.the pressure: 9.8Kpa to 78.4Kpa.shaft power: 1 ... anchor bolts, baseframe, safety valve, check valve, discharge pressure gauge, flexible connections, lubricant and etc.Roots Blower is the ... : 1.22m3/min to 2.48m3/min.the pressure: 9.8Kpa to 73.5Kpa.shaft power: 0 ...