Profile: S C Hydraulic Engineering Corp. designs and manufactures hydraulic & pneumatic equipments. We offer air-driven liquid pumps and gas boosters. Our L3 & L3C series liquid pump is a compact air operated liquid pumps, available in 316L stainless steel & carbon steel and capable of pressure exceeding 18,000 psig. We design 70-1008A000 air sequence valve, which is plumbed between the air supply FRL assembly & the air drive inlet port on SC 10-4, 10-5 & 10-6 series pumps and closed with a field adjustable opening pressure between 25 psig & 100 psig.