Return Water Opening And Closing ValveIt Is A Cut-off Valve Specifically Designed For Pipeline Return Water Systems, With The Core Function Of Controlling The Connection And Disconnection Of Fluids In The Return Water Pipeline. It Does Not Have Precise Flow Regulation Capabilities And Is Specifically Designed For Return Water Conditions, Suitable For Medium And Low Pressure, Normal Temperature To Medium Temperature Return Water Scenarios. With Its Simple Structure And Reliable Sealing Advantages, It Is Widely Used In Return Water Systems Such As HVAC, Water Supply And Drainage, And Industrial Circulating Water. It Is The Basic Control Component To Ensure The Normal Operation Of Return Water Pipelines.

Structurally, It Continues The Simple Design Of The On-off Valve And Is Mainly Composed Of A Valve Body, Valve Disc, Valve Stem, Handwheel, And Sealing Components. The Valve Body Is Mostly Made Of Ductile Iron Or Cast Steel Materials, Which Are Temperature Resistant, Corrosion-resistant, And Suitable For The Characteristics Of The Return Water Medium. The Core Working Principle Is The Same As That Of Ordinary On-off Valves. By Rotating The Handwheel To Drive The Valve Stem Up And Down, The Valve Disc And Valve Seat Are Controlled To Fit Or Separate, Achieving The Opening And Closing Of The Return Water Pipeline; Optimized The Sealing Structure For The Return Water Condition To Prevent Return Water Leakage And Adapt To Various Return Water Pipeline Diameters.

The Core Features Are Distinct, Suitable For Return Water Scenarios, With Better Temperature Resistance Than Ordinary On-off Valves, And Can Withstand Medium Temperature Media In Return Water Systems; The Opening And Closing Actions Are Straightforward, The On-off Speed Is Fast, The Operation Is Convenient, And It Can Be Easily Operated Manually Without The Need For Professional Skills; Reliable Sealing Performance, No Backflow Leakage After Closure, Avoiding Heat Loss Or Medium Waste; The Structure Is Sturdy And Durable, Resistant To Wear And Impact, Easy To Maintain, Only Requires Regular Inspection Of Seals And Valve Stems, And Has A Long Service Life.

The Application Scenarios Focus On Various Types Of Return Water Systems, Including HVAC Return Water Pipelines, Industrial Circulating Water Return Pipelines, Municipal Water Supply And Drainage Return Systems, Etc. It Can Be Used In Office Buildings, Residential Heating Return Water, Factory Circulating Water Return Water And Other Scenarios As A Basic Cutoff Component To Control The On/off Of Return Water. Compared To Ordinary On-off Valves, It Is More Suitable For The Return Water Medium And Working Conditions, With Advantages In Sealing And Temperature Resistance, And Is An Indispensable Basic Control Valve In The Return Water System.

German Standard Gate Valve

German Standard Copper Gland Gate Valve

German Standard Soft Seal Gate Valve

German Standard Elastic Seat Sealing Gate Valve