Single-seat regulating valve, size DN20~DN100 (NPS 3/4~NPS 4), pressure class PN25~PN100 (Class 150~Class 600), available in various valve body materials according to customer requirements: 20, 304, etc., to suit different working conditions and control the flow of reducing water.

The valve disc structure is of a single seat design, which ensures minimal leakage, a wide adjustment range, and more precise control over the reducing water, with a simple structure and low failure rate. The valve plug and seat are sealed with a conical surface, using a hard alloy for the sealing surface, with a standard leakage rate of V grade. Regulating valves of the same diameter offer different flow coefficient Cv values for selection, significantly enhancing the sensitivity and accuracy of the temperature control system. The flow characteristic employs an equal percentage characteristic, with a tunable ratio of 20:1, ensuring stable adjustment.