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Professional QC QA Team,Inspect All Goods Before Delivery

Refund Money If Rejection Because Of Quality

Precautions for installation and use of gate valve

1.Handwheels, handles and transmission mechanisms are not allowed to be used for lifting, and collisions are strictly prohibited.
2.The double sluice gate valve should be installed vertically, that is, with the hand wheel facing upwards.
3.The gate valve with bypass valve should be opened before opening, the purpose is to balance the pressure difference between the inlet and outlet.
4.The gate valve with transmission mechanism should be installed strictly in accordance with the product manual.
5.If the gate valve is switched frequently, lubricate at least once a month.
6.The gate valve is not suitable for regulating or throttling.

YD International, which has 2 foundries and valve factories in Botou, Cangzhou, China,with more than 5000 sets customized and standard molds for iron castings and valves.

We have 5 molding lines, annual output capacity is 40k tons

Pipe Fittings are defined as the piping components that help in pipe routing for directional changes, size changes, and branch connections. Piping Elbows, Piping Reducers, Tee Connections, Olet Connections, Caps, Crosses, etc are pipe fittings and are widely used in both the piping and plumbing industries. 

Gray iron casting is a terrific manufacturing method for many specific automotive parts and on-road vehicle components.For automotive manufacturers, gray iron's mechanical properties offer a crucial property: damping characteristics which substantially reduce noise, vibration, and harshness.

More Professional

We are a "China Green Casting Enterprise”with over 20 years of experience,providing one-stop customized services.The factory can process complex parts in multiple ways according to customers' requirements

  More Reliable

We are proud to have multiple certifications in the valve casting industry,which is a proof ofour extreme responsibility to our customers and products, thereby increasing the trust between us and our customers.

     More considerate

Our professional design team provides strong technical support. If you don't have a design drawing, we can create 2D/3D drawings for you after you place an order.lf you already have a design, we can provide customized solutions to improve your design.

Cast Iron Process

The iron casting process is a systematic and intricate series of steps that transform raw materials into durable cast iron products. Let’s navigate through each stage with a focus on the formal aspects of the manufacturing process.

Cast Iron Process

The iron casting process is a systematic and intricate series of steps that transform raw materials into durable cast iron products. Let’s navigate through each stage with a focus on the formal aspects of the manufacturing process.