These rugged pumps have withstood the test of time! With the many available options available the R-Series pumps can be utilized in almost any application you may have or we can customize the R-Series diaphragm pump to meet your specific requirements. Available with General purpose open drip proof, TEFC, Brushless DC, Air Driven, and Explosion proof Options. Maximum performance: 0-29.5 HG, 0-150 LPM, 0-75 PSIG