Are you facing any kind of performance issues when operating your progressive cavity pumps? Are they not running as efficaciously as before? Then, it’s the time. Are you facing any kind of performance issues when operating your progressive cavity pumps? Are they not running as efficaciously as before? Then, it’s the time. Are you facing any kind of performance issues when operating your progressive cavity pumps? Are they not running as efficaciously as before? Then, it’s the time.