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Your location is: Products >> Hydraulic control valve >> Digital Lock Balance Valve

Digital Lock Balance Valve

Product overview

SP45, 15F Digital lock balance valve is a kind of regulating valve with special function of digital lock. It adopts DC valve body structure, has better equal percentage flow characteristics, can reasonably distribute flow, and effectively solve the problem of uneven cold and heat at room temperature in heating (air conditioning) system. At the same time, the pressure drop and flow rate can be adjusted accurately to improve the liquid flow state in the pipe network system, so as to achieve the purpose of pipe network liquid balance and energy saving. The valve is equipped with opening indication, opening locking device and small pressure measuring valve for flow mea-surement. As long as the balance valve of appropriate specification is installed at each branch and user inlet, and the valve is locked after one-time debugging with special intelligent instrument, the total water volume of the system is controlled within a reasonable range, so as to overcome the unreasonable phenomenon of "large flow, small temperature difference". This product is an ideal product in heating system. The valve can be installed on both the water supply pipe and the return pipe.Generally, we suggest that it should be installed on the return pipe. Especially for the high temperature loop, for the convenience of debugging, it should be installed on the return pipe. The water supply (return) pipe installed with the balance valve does not need to be equipped with a stop valve.

Product details

Product Features


1. It has the function of slow opening, which can solve the traditional manual valve closing and pump starting
2. With the function of slow closing, the closing time can be set manually to automatically realize slow closing and eliminate water hammer
3. It has good check function. It uses rubber with good elasticity and high wear resistance as the sealing material, which can achieve no leakage after closing.
4. The action is sensitive and will not be out of control.
5. Without manual operation, it works automatically in the whole process of pipe network operation.
6. It is convenient to maintain and repair. It is not necessary to remove the whole valve from the pipeline. It is necessary to find out the cause of the fault during the repair, and only need local maintenance.
7. The inside and outside of the valve and all easily corroded parts are treated by electrostatic spraying, which will not rust in sewage for a long time.
8. In the pipeline, the installation performance remains unchanged.


Execution Standard


Flange end:GB/T17241.6、GB/T9113
Test & check:GB/T 13927、API 598


Performance Parameter


Nominal diameter:DN32~350mm
Nominal Pressure:PN1.6MPa
Applicable media:Water, oil, and the corrosive liquid, etc
Applicable temperature:0≤120℃
Main materials:Cast ironDuctile iron, Carbon steel