In order to meet the needs of the national major water conservancy project - the Water Diversion Project from Han to Wei River, China National Petroleum Baoji Petroleum Pipeline Co., Ltd. has selected our company's 3500t water compressor for use in the transportation of water φ 1820- φ 3800 specification steel pipe water pressure test. The water pressure testing machine is a four tension beam structure, with a two position lateral displacement device, end face sealing, low-pressure pump water filling, and high-pressure pump pressurization form. It is composed of a water press host, a lateral displacement device, a hydraulic system, high and low pressure water systems, an electrical control system, and tooling, and is equipped with a PLC system and a computer display recording and printing system to meet the requirements of water pressure testing for spiral steel pipes.