Cherne Industries has been your #1 manufacturer of plumbing & sewer testing and maintenance equipment since 1953. Cherne offers a complete product line of quality pipe plugs, sewer plugs, pipeline acceptance & testing equipment, leak locating equipment, vacuum testing equipment, hydrostatic test pumps, sewer air testing & pressure testing equipment and all your sewer and plumbing accessory needs. Cherne's products are engineered with your safety in mind.