Digital Lock Static Balancing Control Valve Flange Type Ductile Iron Static Flow Balancing Valve for HVAC Heating Water System
Ductile iron / WCB carbon steel body optional, epoxy coating for anti-corrosion & long service life
Y-type streamlined channel reduces flow resistance & medium pressure loss
Digital marked locking handwheel, fixed opening after calibration to avoid incorrect adjustment
Double brass pressure taps for connecting differential pressure gauge to calculate accurate flow rate
2Cr13/304/316 stainless steel stem, rust-proof, wear-resistant & smooth operation
Flexible graphite packing seal, high temp resistance, zero leakage for hot & cold circulating water
Al bronze yoke nut with self-lubrication, anti-seize after frequent adjustment
Multi pressure rating 150LB,-2500LB available for normal temp, high temp & high pressure pipeline
Full size DN15~DN300, flanged connection complies with GB & ANSI standard
Solve pipeline hydraulic imbalance, balance branch flow & save pump power consumption 15%-25%
Widely used in HVAC, floor heating, building water supply & industrial chemical pipeline
Each valve passed factory hydrostatic test, 12-month quality warranty













Qingdao Yida Tongtu Machinery Technology Co., Ltd., in the beautiful coastal city of Qingdao. Specializing in high-growth ventures such as valves and power equipment, the company is dedicated to providing comprehensive solutions for industries including petroleum, chemicals, and water utilities, empowering clients to grow and achieve success.
We are a cutting-edge trading enterprise specializing in one-stop industrial valve matching, deeply cultivating gate valves, globe valves, ball valves, check valves, butterfly valves, etc. Our main products include American standard API, German standard DIN, and Japanese standard JIS, suitable for various industries such as chemical, petroleum, gas, power, metallurgy, etc.
We selects qualified factories from the source, strictly controls product quality, adheres to the direct supply mode, and relies on the advantages of a streamlined and efficient team to achieve rapid implementation of customer demands. At the same time, we can provide customers with standard spot goods, non-standard customization, OEM, project batch matching, and a complete set of export documentation services, becoming a long-term stable valve procurement partner for customers with professionalism, reliability, and high cost-effectiveness.













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