Properties (Optional and Multiple) of rubber diaphragm pump: Oil Resistance, Chemical Resistance, Steam Resistance, Aging Resistance, Heat Resistance, Cold Resistance, Fire Resistance, Environment Protective, Strong Resilience, Abrasion Resistance, etc.The advantage of rubber diaphragm pump: 1,long life,continuous operation more than 10000 hours. 2,operation stability of rubber diaphragm pumpis ...