Cold Start Valve
Cold start valves bleed air from the compressor head during the first few pump revolutions, reducing motor starting torque requirements. These valves are especially helpful on oil-lubed pumps that may be subject to low temperatures and low starting voltages, such as a contractor unit that may sit outside overnight and is connected to a long extension cord.
This valves are installed into any convenient port upstream of the tank check valve. Typical installations are into a 1/8" NPT port in the check valve (CD in-tank check valves are available with the CS installed as an option), into a port tapped in the head of the pump or into a "tee" in the discharge line. When the discharge line is at zero pressure, the CS valve is open. As the pump starts, air flows out of the CS valve into the atmosphere; as the pump speed and discharge pressure increase, the valve snaps shut and stays closed until the end of the pump-up cycle. When the head is unloaded (a pressure switch un-loader or similar devise is required) the valve re-opens and is ready for the next start up.
Construction: Brass body and piston, stainless steel spring and fluorocarbon O-ring
Zhejiang chaochao safety vavle manufacturing Co., Ltd. With a long history, is a manufacturer of air compressor accessories and military products and a leading enterprise of production of safety valves in the air compressor industry. The company, in the quality policy of "Future-oriented Service, Superior Quality", provides customers with high-quality products and good after-sales service. Relying on its professional team, it can provide customers with solutions and design products which exceed the expectation of customers.
Quality System
The company is the first and only enterprise which simultaneously obtained the certificates of ASME, CE, AZ and GJB at home. It was successful in drafting "Safety Valves for Compressors" according to requirements of National Development and Reform Committee in 2007. The company strictly abides by requirements of ISO9001-2008 Quality Management System in terms of supplier assessment and after-sale service of products, executes product quality control and inspection according to requirements of international and domestic authoritative standards to ensure its zero defect of its delivery products.
Professional Research and Development
Thanks to its research and development team integrating design, development, production, service and market investigation, the company can not only provide best solutions according to requirements of customers, but also redesign customers' existing schemes so as to achieve the effects of optimizing properties and reducing cost, and even provide localization schemes of imported products for domestic customers.
High-efficiency Production Team
Relying on its high-precision and automation equipment, a professional production team and strong capital strength, the company can not only provide qualified products, but also ensure that its products arrive in warehouses of customers within the shortest time, and even assist part of its high-end customers in carrying out a zero plan.
