Double Offset Butterfly Valve Distributors With Worm Gear

Double Offset Butterfly Valve Product Structure Features

1. Connecting bracket: standardized driving device flange, complying with ISO5211
2. Sealing gland
3. "V" type sealing ring: NBR nitrile rubber, 4-6 pieces, effectively preventing the upper end of the shaft from leaking and the sealing is adjustable.
4. Body: Ductile iron.
5. Plate: the eccentric structure is adopted, and the sealing pressure ratio between the sealing pairs is automatically established to reduce the friction of the sealing ring and extend the service life of the valve..
The streamlined double eccentric valve plate effectively reduces the pressure loss and flow loss. The valve plate sealing ring adopts the "T" structure, and the sealing pair is linear sealed, with the characteristics of small operating torque, long service life of the sealing ring and good sealing performance.
The sealing ring can be replaced.
6. Seat: Inlaid or surfacing welded stainless steel valve seat, strong anti-scouring ability.
7. Stem: eccentric double half shaft stem design, less flow resistance.
8. Shaft sleeve: copper alloy, more wear-resistant and effective to reduce torque.
9. Pin: cylindrical pin, which can effectively transfer torque.

Double Offset Butterfly Valve Sealing Structure and Characteristics 

1. The "n"type stainless steel belt is inlaid on the valve body, which can prevent corrosion for a long time, and can prevent the vibration caused by the unstable water flow speed, and the valve failure caused by the losening and falling off of the fasteners, thus improving the adaptability to the adverse working
conditions.
2. The adoption of reliable "O" ring not only saves materials, but also simplifies the process and greatly reduces the cost of products.

Double Offset Butterfly Valve Main Performance Spcification

Product Advantages

Long-Lasting Sealing Efficiency

The Double Offset Butterfly Valve is designed with a "V" type sealing ring, which can be replaced to ensure ongoing sealing performance. 

This feature, combined with the double eccentric design, automatically adjusts the sealing pressure, reducing friction and wear. The result

 is a longer lifespan for both the valve and its sealing components, making it a cost-effective option for long-term use in demanding environments.

Superior Corrosion Resistance

The inlaid stainless steel seat and copper alloy shaft sleeve ensure that the butterfly valve is resistant to corrosion and wear. These materials

 allow the valve to perform reliably in harsh conditions, including exposure to seawater, aggressive chemicals, and high-pressure systems. This

 superior corrosion resistance helps extend the valve's service life while reducing the need for frequent replacements, ensuring durability in 

industrial applications.

Energy-Efficient Operation

With a unique eccentric structure, the Double Offset Butterfly Valve reduces flow resistance and minimizes pressure loss, ensuring more energy

-efficient operation. This, combined with the low torque required for operation, makes it ideal for large-scale industrial applications where energy

 efficiency and consistent performance are key. The streamlined valve plate further enhances the operational efficiency, making it a top choice for

industries requiring reliable flow control.

About Us

TJL Industry Group Co., Ltd. is a leading manufacturer specializing in the production of high-quality valves, offering innovative flow control 

solutions for a wide range of industries. With decades of experience, TJL has built a solid reputation as a trusted butterfly valve supplier, 

providing a full range of products, including high-performance butterfly valves. Our valves meet international standards, ensuring superior 

quality, reliability, and performance in critical applications across sectors such as water treatment, chemical processing, marine, and oil and

 gas. We are committed to delivering excellence and supporting our customers with tailored solutions that improve efficiency and reduce 

operational costs.

Get in touch with us now for a customized butterfly valve solution that meets your specific needs!

FAQ

What makes the Double Offset Butterfly Valve unique?

The Double Offset Butterfly Valve features a double eccentric design that reduces sealing friction and ensures better sealing performance, 

extending the valve's life.

Can the valve handle corrosive fluids?

Yes, the valve is equipped with a stainless steel seat and copper alloy shaft sleeve, making it highly resistant to corrosion from seawater and 

aggressive chemicals.

What is the maximum pressure this valve can handle?

The Double Offset Butterfly Valve can handle pressures up to 1.6 MPa, with rigorous testing according to international standards such as 

EN12266-1 and API 598.

Is the valve easy to maintain?

Yes, the sealing ring is replaceable, and the unique sealing design reduces wear, minimizing the need for frequent maintenance and lowering

 long-term costs.

In which industries can this valve be used?

This valve is ideal for industries such as water treatment, marine applications, and chemical processing, where durable and reliable flow control

 is essential.

Send your message to us

TJL INDUSTRY GROUP CO., LIMITED 

Tel: 0086-22-28219562
Fax: 0086-22-28219554 ext.8888

Mobile:15022393555

Email: sales@tjlindustry.com

Address: 1-711,XiangNian Plaza, Dongjiang and Neijiang Road Cross, Hexi District, Tianjin China