Shanghai Nellway Valve Co., Ltd.

bi-directional metal sealed butterfly valve

Hard sealed butterfly valve

bi-directional metal sealed butterfly valve

The Bi-Directional Metal Sealed Butterfly Valve is designed for robust and reliable performance. It features a bi-directional metal sealing structure. This valve provides a tight seal in both flow directions. It is ideal for industries needing high durability and precise control.
NameparameterNameparameter
Nominal DiameterDN50-DN1200/2 inch-48 inchConnectionFlange(RF,MF,RJ)
Nominal Pressure10bar-64bar/150LB-600LBDrive ModeElectric,Pneumatic,Manual
Medium Temperature-29-300℃SealingHard seal
MaterialCarbon steel:A216 WCB;WCC; A105

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

Design StandardsAPI、ANSI、DIN、GB
Working ConditionsPetroleum industry;

Steam system;Thermal power;Chemicals

MediumNatural gas;petroleum; Steam;Water/Hot water

bi-directional metal sealed butterfly valve Introduction and explanation

Table of Contents

bi-directional metal sealed butterfly valve parameter

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 Bi-Directional Metal Sealed Butterfly Valve Product Introduction

 Product Overview

The Bi-Directional Metal Sealed Butterfly Valve is designed for robust and reliable performance. It features a bi-directional metal sealing structure. This valve provides a tight seal in both flow directions. It is ideal for industries needing high durability and precise control.


 Bi-Directional Metal Sealing Structure

  1. Metal Sealing Technology

– Sealing Mechanism: Uses a metal-to-metal sealing system to ensure zero leakage. This system handles high pressure and temperature conditions. It offers enhanced durability compared to traditional soft seals.

– Design: The valve disc and seat are made from high-grade metal materials. The sealing surfaces are precisely machined to ensure a tight, reliable seal.

  1. Bi-Directional Capability

– Functionality: Operates effectively in both flow directions. This bi-directional feature simplifies system design and maintenance. There is no need for specific installation orientation.

– Advantages: Provides consistent sealing performance regardless of flow direction. Reduces leakage risks and enhances overall reliability.


 Sealing Form

  1. Metal-to-Metal Seal

– Structure: Features metal sealing surfaces for a robust and reliable seal. The valve disc presses tightly against the metal seat, creating a strong barrier against leakage.

– Durability: Metal seals are highly resistant to wear, corrosion, and high temperatures. This makes them suitable for demanding applications.

  1. Application-Specific Design

– Customization: Available in various metal materials for specific application requirements. Includes high-temperature alloys and corrosion-resistant metals. Custom designs are available for unique sealing needs.


 Media and Working Conditions

  1. Suitable Media

– Liquids: Handles a wide range of liquids, including water, oils, and chemicals. Ideal for high-pressure fluids.

– Gases: Suitable for gases like steam, air, and inert gases. Provides reliable performance in gas distribution systems.

– Corrosive Media: Manages corrosive substances with appropriate metal alloys. Ensures longevity in harsh environments.

  1. Working Conditions

– Pressure: Withstands high-pressure conditions, ensuring a tight seal.

– Temperature: Performs across a broad temperature range, from cryogenic to high temperatures.

– Environment: Suitable for industrial environments like chemical processing, oil and gas, and power generation. Ensures reliable performance and durability.


Summary

The Bi-Directional Metal Sealed Butterfly Valve offers exceptional sealing and reliability. Its metal-to-metal sealing technology ensures zero leakage under high pressure and temperature conditions. The bi-directional design allows for versatile installation. This valve is ideal for a range of media and working environments, providing high-performance sealing and robust construction.

bi-directional metal sealed butterfly valve Parameter

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