Shanghai Nellway Valve Co., Ltd.

double offset high performance butterfly valve

High performance butterfly valves

double offset high performance butterfly valve

NameparameterNameparameter
Nominal DiameterDN50-DN500ConnectionFlange(RF,MF,RJ)
Nominal PressurePN10-PN16Drive ModeElectric,Pneumatic,Manual,Hydraulic
Medium Temperature-29-300℃SealingSoft seal/Hard seal
MaterialCarbon steel:A216 WCB;WCC; A105

Stainless steel:304;316;304L;316L

GGG40(GJS-400-15);GGG50(GJS-500-7)

Design StandardsAPI、ANSI、DIN、GB
Working ConditionsChemical; Petroleum; Natural gas; Water; Paper; MetallurgyMediumWater;Gas

double offset high performance butterfly valve Introduction and explanation

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Double Offset High Performance Butterfly Valve

Product Overview

Designed with precision and innovation, our double offset high performance butterfly valve is crafted to meet the most demanding industrial applications. This valve combines advanced technology and superior materials to deliver exceptional performance and reliability.

The unique double offset design is a key feature that sets this valve apart. The first offset positions the shaft away from the center of the disc. This allows the disc to lift off the seat rapidly during opening, minimizing friction and wear on the sealing surfaces. The second offset places the seat away from the centerline of the pipe. This non-interference fit between the disc and the seat ensures a tight seal even under high pressure and temperature conditions.

The valve body is constructed from high-quality materials that offer strength, durability, and resistance to corrosion and abrasion. The sleek and streamlined design not only enhances the aesthetic appeal of the valve but also optimizes flow characteristics, reducing pressure drop and energy consumption.


Advanced Sealing Technology

The sealing system of our double offset high performance butterfly valve is truly remarkable. The valve features a resilient seat that is precisely镶嵌 in the valve body. This innovative design provides several advantages. The embedded seat ensures a stable and secure fit, minimizing the risk of leakage and enhancing the overall sealing performance.

The seat is made of high-performance materials that offer excellent flexibility and durability. It can withstand extreme temperatures, pressures, and chemical exposures without losing its sealing integrity. The combination of the resilient seat and the double offset design results in a valve that can achieve zero leakage, providing reliable performance in a wide range of applications.


Versatile Use in Various Media

This high performance butterfly valve is highly versatile and can handle a diverse range of media. Whether it’s water, steam, gas, oil, or corrosive fluids, our valve is up to the task. The advanced materials and sealing technology make it suitable for various industrial processes, including power generation, water treatment, chemical processing, oil and gas, and many others.


Ideal for Challenging Operating Conditions

The double offset high performance butterfly valve is engineered to operate in extreme conditions. It can withstand high temperatures up to [specific temperature range] and high pressures up to [specific pressure range]. The valve’s robust construction and advanced sealing system make it resistant to abrasion, corrosion, and erosion, ensuring long service life even in harsh environments.

Whether it’s a high-pressure steam system in a power plant, a corrosive chemical processing plant, or a demanding oil and gas application, our double offset high performance butterfly valve is the ideal choice. It provides reliable performance, low maintenance requirements, and long-term durability, making it a valuable asset for industrial users.

In conclusion, the double offset high performance butterfly valve is a state-of-the-art product that offers superior performance, reliability, and versatility. With its advanced design, innovative sealing technology, and ability to handle a wide variety of media and operating conditions, this valve is the perfect solution for industrial users who demand the best.

double offset high performance butterfly valve Parameter

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