Valve

Your Professional Valve Supplier

JINCHENG TIANYI CASTING CO., LTD., located in Jincheng, China, specializes in DN80–DN2600 ductile iron pipes, fittings, and gaskets. With 13 years of experience, 300 acres of production area, and over 800 skilled employees, we deliver reliable products for gas, water, drainage, and power projects worldwide.

Extensive Production Capacity

Over 300 acres and semi-automatic mechanized operations ensure stable supply and large-scale project delivery.

Quality Management

Professional quality control team guarantees first-class products, meeting domestic and international standards.

Customer-Oriented Service

Complete pre-sales, in-sales, and after-sales support with customization options for global clients.

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Parameter

Size Range	DN50 to DN1200
Pressure Rating	PN10, PN16
Body Material	Ductile Iron
Seal Material	EPDM, NBR
Operation Type	Manual, Gear, Electric
Temperature Range	-10°C to 120°C
Connection Type	Flanged
Standards Met	ISO 5752, ANSI B16.10
Valve Weight	Varies by size
Actuator Options	Multiple choices

Types of Valve

The valves produced by our company mainly include the following types:

Butterfly Valve

Butterfly valve is a compact, quarter-turn valve that controls fluid flow in pipes using a rotating disc, like a butterfly's wings, making it ideal for quick shut-off, isolation, or throttling in applications from water systems to engines, prized for its simple, lightweight design and lower cost compared to other valves.

Gate Valve

Gate valve is a type of valve that controls fluid flow by lifting a "gate" or wedge-shaped disc out of the flow path to open it, or lowering it to block flow, ideal for fully open/closed isolation in pipes for water, oil, and gas, offering low pressure drop but not good for throttling (partial flow) as it can cause damage.

Advantages of Valve

High Reliability

In the early stages of valve design, detailed demand assessments and simulation tests are conducted to ensure that the structure fully meets functional requirements under specific working conditions. This rigorous design strategy significantly reduces the risk of failure during continuous and stable operation.

High Maintenance Convenience

Valve design places strong emphasis on ease of maintenance and practical application. Designers aim to simplify the valve structure by minimizing the number of components, which not only reduces the likelihood of failure but also makes the design more straightforward and user-friendly.

Wide Range of Applications

Valve design often adopts a modular approach, allowing customization based on different media types and specific temperature requirements. This flexible design strategy ensures that valves can operate reliably across a wide range of industrial scenarios.

Low Production Cost

The design process of valves is relatively straightforward, avoiding unnecessary complexity and excessive functional requirements. This simplicity helps save materials and reduce manufacturing costs. The materials commonly used in valve production, such as standard steel, cast iron, and stainless steel, are widely available on the market and relatively affordable.

Valve Manufacturing Methods

Casting: Involves pouring molten metal into a mold where it solidifies into the desired shape which allows the creation of complex shaping and specific details.

Forging: This is the process that involves shaping the metal using compressive forces often at high temperatures. This process results in the final products being stronger and more durable than casted parts.

Different Materials Used for Valves

Cast Iron
This metal is easily machinable with excellent castability properties and is widely used in its pure form or as gray or ductile iron. It is a choice of many because of its strength and high resistance to wear.

Carbon Steel
It is good for valve casting because it is strong and tough enough to withstand pressure therefore suitable for high-pressure equipment. It has a robust material structure that copes well with very demanding applications.

Stainless Steel
When you are dealing with applications where high corrosion resistance is a requirement, then stainless steel is your best option. You can find the valves cast with this material commonly in use in processing industries and marine applications.

Alloy Steels
When an application requires a mix of engineered properties such as hardness, strength, or resistance to heat and corrosion, alloy steels can satisfy such.

Bronze and Brass
These materials possess excellent corrosion and machinability properties. Both bronze and brass are ideal for casting valves that are applied in water industries and any other industry dealing with non-corrosive fluids.

Common Valve Connections And Ends

Screwed or Threaded

Often used in instrument connections or sample points

Flanged

The most common ends for piping use

Butt Welded

Typically used in high-pressure or high-temperature operations

Socket Welded

Commonly used on small bore piping where threaded connections are not permitted

Wafer and Lug

Often used for compact valves installed in systems with limited space

Customizable Options

Size Range	DN15–DN2000
Pressure Class	PN10, PN16, PN25, PN40, Class 150–300
Material	Ductile iron, carbon steel, stainless steel
Body Standard	EN, ISO, ANSI, AWWA
End Connection	Flanged, threaded, welded
Color	Blue, red, black, custom

Packaging and Shipping

Packaging	Each valve wraps securely. Foam padding prevents damage. Strong cartons hold items. Manuals include instructions. Parts lists come inside.
Shipping	Shipping by sea, by air, by express are acceptable. According to your requirements.

Our Factory

Tianyi project operation investment of more than 600 million yuan, the company covers an area of 300 acres. The company has more than 800 employees, including 6 professional managers, 18 quality management personnel, 26 professional management team, and 30 sales and after-sales service team.

Our Certificates

FAQ

Q: What materials are valves made from?

A: A valve can be made from ductile iron, carbon steel, stainless steel, brass, or cast iron. The valve material is selected based on pressure, temperature, and working media.

Q: How does a valve work?

A: A valve works by opening or closing an internal part to control flow. When the valve opens, fluid passes through. When the valve closes, flow stops, helping protect the pipeline system.

Q: What sealing materials are used in valves?

A: A valve uses sealing materials such as EPDM, NBR, PTFE, or metal seals. The seal type affects valve tightness and service life.

Q: What coatings protect valves?

A: A valve is often coated with epoxy, bitumen, or zinc spray. Coating protects the valve from corrosion, especially in outdoor or underground use.

Q: What temperature can a valve handle?

A: A valve working temperature depends on material and seal type. Many valves handle temperatures from -10°C to 200°C in standard applications.

Q: How long does a valve last?

A: With proper selection and maintenance, a valve can last 20–50 years. Service life depends on working conditions and material quality.

As one of the most experienced valve manufacturers and suppliers in China, our company offer a wide range of products with superior quality. Please feel free to buy high quality valve for sale here from our factory. Good service and reasonable price are available.