WZ61HBendable Gate ValveOverview:

WZ61HBendable gate valves include the valve body.,Valve Seat,Valve Plate,Valve Stem,Valve cover,Handwheel,Hose,The valve disc is fixed at the bottom end of the valve stem.,The bellows ends are sealed and welded separately to the valve cover and valve stem.,The main feature is the presence of a packing seal between the valve stem and the valve cover.,A connecting pipe is welded between the valve cover and the valve body.,Actuating rod,Valve Cover,The valve bodies are fully welded for a sealed connection among the three.,Good sealing performance,Suitable for high-sealing requirements in critical operating conditions.

WZ61HBendable Gate ValveSelection Requirements

1.Select the bellows inner diameter based on the valve rod diameter, The inner diameter of the bellows should be greater than the valve stem diameter.115 mmThe outer diameter of the bellows is selected based on the inner diameter of the bellows. The outer and inner diameters are related through the ratio of the outer diameter to the inner diameter., Generally speaking, Ratio of outer diameter to inner diameter113～115 。

2.The wall thickness, number of layers, corrugations, and length of the bellows should meet the requirements for pressure resistance, stroke, and cyclic life. Generally speaking,, The pressure is greater, The wall thickness of the bellows is thicker, To increase displacement or reduce the stiffness of the bellows tube, Enhance lifespan, May opt for reducing the single-layer wall thickness, Methods to increase the number of corrugated tube layers.

3.Design-oriented structure, To prevent the bellows from warping. Additionally, it should be avoided for the bellows to have localized contact with the valve rod or valve body., To prevent wear and premature failure. The design should incorporate anti-torsion structure.,Prevent the bellows from twisting and deforming.

4.Designing valves, Limit the compression and extension travel of the bellows., To prevent the bellows from experiencing compression and tensile displacements exceeding the limits specified in the cyclic life test. Generally speaking., The travel of the bellows should not exceed its free length.25%, Otherwise, it may affect the service life of the bellows. Particularly for bellows valves in high-temperature and high-pressure environments.

5.The bellows is made with the same pressure and temperature ratings as the valve. The bellows should be able to withstand the main valve38 ℃Nominal Pressure under Condition38 ℃Under the terms115 Test for nominal pressure multiple. Conducting pressure tests while, Weld seams must not crack or leak., The bellows should not be distorted.

6.Bellow component materials should be selected within the permissible operating temperature range., The materials used for the bellows have excellent forming, welding properties, and compatibility with the medium.

WZ61HWavy Pipe Gate ValveOrdering Instructions:

1.When the user has confirmed the type and model of the valve (especially non-standard models), the user should accurately describe the meaning and requirements of the model.

2.Customers should order based on the product models listed in the samples. If there are special requirements for product items, please specify them in the order.

1Structural Length2Flange Standard3Valve structural types: such as full bore or reduced bore passage, body cover connection style4Valve internals and other material requirements5Pressure tests, inspection standards, labeling, and other requirements

3When the application of valves is crucial or the environment is complex.,Please provide the design drawings and detailed specifications to the fullest extent possible, as our experts will review and ensure their accuracy.

4.Our company can customize electric devices according to specific customer requirements.,Pneumatic drive unit,Turbine unit.

5.Our valves, produced by our company, meet all the requirements specified in the order. Each product undergoes rigorous inspections and tests according to the relevant standards before leaving the factory.

6.All products of Zhongzhi Valves come with a warranty period: upon the customer's formal installation and use.12Within a month or upon product dispatch18Within a month.

Thank you for visiting our website [Zhongzhi Valve Manufacturing Co., Ltd. Welcomes You]

If you have any questions.Please call us at:0577-57787659  13588912654】,We will always strive to provide you with the best service.