The 4180# Split Pressure Regulating Assembly provides stable and reliable pressure control for various fluid systems. Its split design allows convenient installation and maintenance of individual components without affecting the whole system. Constructed from durable, corrosion-resistant materials, it ensures long-term performance. The assembly delivers consistent pressure regulation, safeguarding downstream equipment and improving operational efficiency. Compact and practical, it is suitable for water treatment, HVAC, and other industrial applications where precise pressure management is needed. Easy to install and maintain, the 4180# assembly combines efficiency, safety, and reliability, supporting smooth operation in diverse fluid control environments.
Manufacturing Base
Patented Technologies

Jinhua Shuangding Machinery Co., Ltd. was founded in 2011, specializing in the development Manufacture and sales of the brand "SHANG DING", "JIN SHUANG DING", "A-FARMERY" series of PTO diaphragm pumps, spray nozzles, spray pipes, control regulators that match different power equipment (such as electric motor, diesel engine, gasoline engine, tractor, and motor vehicle, etc) to form various models of sprayer.
Since our establishment, we have devoted ourselves to developing various PTO diaphragm pumps, spray nozzle sets, filters, and control regulators. Based on advanced technology and scientific management, a modern production line, complete test equipment, and a quality control system, our product quality improves. The products are well sold all over the domestic market and also exported to Europe, Africa, Southeast Asia, and other countries all over the world, and obtain consistent customer praise.
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