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Q41F Flange Ball Valve

  • Model:Q41F-16P/25P/40P/Q41F-64P/Q41F-16C/Q41F-25C
  • Specification:DN15-DN200
  • Temperature:-196~350℃
  • Medium:Water, oil, liquid
  • Pressure:PN16,PN25,PN40,PN64
  • Connection method:Flange
  • Driving method:Manual, pneumatic, electric Other
  • Material:Carbon steel, stainless steel, alloy steel,Bronze
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  • Product Overview
  • Performance Data
  • Size Weight

Q41F Flange Ball Valve Overview

Q41F flange ball valve is a universal shut-off valve connected by flanges, which uses a ball to rotate 90 degrees to achieve rapid opening and closing. The valve body is usually made of cast steel, stainless steel or brass, with a full bore or reduced diameter design to ensure low fluid resistance. Its sealing pair often uses soft materials such as polytetrafluoroethylene (PTFE) to form a tight fit with the sphere, achieving reliable sealing. This valve has a wide working pressure range and is suitable for water, steam, oil, gas, and general corrosive media. It is widely used in industrial pipelines such as petroleum, chemical, power, water supply and drainage, and heating as a control device for fluid connection or disconnection.

Q41F Flange Ball Valve Product Image

Q41F Flange Ball Valve Features

1. Stable flange connection: Using standard flange connection, easy docking, diverse sealing surface types (such as protruding and flat), good connection rigidity, suitable for various medium and high pressure pipeline systems.

2. Excellent sealing performance: The valve seat is made of elastic materials such as PTFE, with a low friction coefficient and self-lubricating properties, which can achieve long-term bidirectional sealing and basically achieve zero leakage.

3. Lightweight and flexible operation: The ball has low resistance to rotation, the handle or actuator has low operating torque, and can be quickly opened and closed at 90 degrees, making it easy to achieve automated control or remote operation.

4. Fire prevention and safety design: Some models comply with fire prevention standards, and emergency sealing can be achieved through metal sealing pairs after the soft seal fails; The valve stem adopts an anti blowout structure with high safety.

5. Easy maintenance and strong universality: The structure is relatively simple, and the valve seat seal can be replaced online or offline in case of leakage. Wide range of applicable media and high comprehensive cost-effectiveness.

Q41F Flange Ball Valve Structure Diagram


Parts Name Material List

序 号NO.名称Name材料Material
1阀体Body碳钢、不锈钢carbon steel、stainless steel
2球体Ball不锈钢stainless steel
3密封圈sealing ringPTFE、RPP
4填料packingPTFE
5阀杆Stem不锈钢stainless steel

性能规范表Performance Specification
公称压力Nominal Pressure1.6/2.5/4/6.4MPa
强度试验压力Shell Test2.4/3.75/6/9.6
密封试验压力Seal Test1.76/2.75/4.4/7.04
适用温度Suitable Temp.≤350


Dimensions Standard Requirements

1. The structural length of the valve shall conform to the standard GB/T12221.

2. The connecting flange shall conform to the standard GB/T 9113.

Q41F Flange Ball Valve View Drawing


Q41F Flange Ball Valve Dimensions Table

公称通径DN1520253240506580100125150200
L130140150165180200220250280320360400
H5963758595107142152178252272342


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