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Q41F American Standard Floating Ball Valve

  • Model:Q41F-Cl150P/Q41F-Cl150/Q41F-Cl300P/Q41F-Cl150C/Q41F-Cl300C/Q41F-Cl300C
  • Specification:DN15-DN500
  • Temperature:≤550℃
  • Medium:water, gas, oil
  • Pressure:1.6Mpa-4.0Mpa
  • Connection method:flange
  • Driving method:Manual, pneumatic, electric,gear
  • Material:cast steel, stainless steel
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  • Product Overview
  • Performance Data
  • Size Weight

Q41F American Standard Floating Ball Valve Overview

The Q41F American Standard Floating Ball Valve is a flanged floating ball valve strictly designed and manufactured in accordance with American standards such as API and ASME, featuring standard American flange connections (e.g., RF/RTJ). The valve body is typically made of materials like WCB cast steel or CF8 stainless steel. The ball within the valve floats slightly under medium pressure, pressing tightly against the outlet seat to achieve a self-sealing effect. The valve is operated by rotating the stem 90 degrees to open or close, with sealing pairs commonly made of soft materials like PTFE or hard metal seals. This valve meets pressure class requirements ranging from Class 150 to Class 600 and is suitable for various pipeline systems in industries such as petroleum, chemical, natural gas, and power. It serves as a versatile and reliable shut-off device within the American standard system.

Q41F American Standard Floating Ball Valve Product Image

Q41F American Standard Floating Ball Valves Features

1. Strict Compliance with American Standards: Designed and manufactured in accordance with API 6D, ASME B16.34, and other standards. The flange interfaces are fully compatible with American standard piping systems, ensuring interchangeability and system compatibility.

2. Floating Ball Self-Tightening Seal Structure: Utilizes medium pressure to push the ball against the seat, achieving reliable sealing. The structure is simple, compact, and offers excellent sealing performance.

3. Light Operation and Quick Opening/Closing: A 90-degree rotation achieves full opening or closing, featuring low flow resistance and minimal operating torque. Can be equipped with manual, gearbox, or pneumatic/electric actuators.

4. Fire-Safe and Safety Design: Typically compliant with API 607 fire safety standards, providing a metal auxiliary seal in case of soft seal failure. The stem features an anti-blowout design for high safety.5. Easy Maintenance and Wide Applicability: Features a mature and reliable structure with convenient maintenance. Suitable for water, steam, oil, natural gas, and various corrosive media. Commonly used in industries such as petrochemicals and energy.


Q41F American Standard Floating Ball Valve Structure Diagram

Parts Name Material List

序 号NO.名称Name材料Material
1阀体bodyZG1Cr18Ni9Ti、CF8、CF3 、CF8M、ZG1Cr18Ni12Mo2Ti
2球体ball1Cr18Ni9Ti、1Cr18Ni12Mo2Ti、304、304L、316
3密封垫seal gasket不锈钢/增强柔性石墨Stainless Steel / Reinforced Flexible Graphite、PTFE
4填料packing不锈钢/增强柔性石墨Stainless Steel / Reinforced Flexible Graphite、PTFE
5阀杆stem1Cr18Ni9Ti、1Cr18Ni12Mo2Ti、304、304L、316

性能规范表Performance Specification
公称压力Nominal Pressure1.6-4.0Mpa
强度试验压力Shell Test2.4-6.0
密封试验压力Seal Test1.76-4.4
适用温度Suitable Temp.550


Dimensions Standard Requirements

1. The structural length of the valve shall conform to the standard ASME B16.10.

2. The connecting flange shall conform to the standard ASME B16.50.

Q41F American Standard Floating Ball Valve View Drawing


Q41F American Standard Floating Ball Valve Dimensions Table

1.6MPaDNLDD1D2bn-φdHD0
凸面法兰 RF Q41F Q41PPL 16C 16P 16R15130956545144-1478140
201401057555144-1484160
251501158565144-1495180
3216513510078164-18150250
4018014511085164-18150300
50200160125100184-18170350
65220180145120204-18195350
80250195160135208-18215400
100280215180155208-18250500
125320245210185228-18265600
150360280240210248-23270800
2004003352952652612-233301200
2.5MPa15130956545164-14103140
凸面法兰 RF Q41F Q41PPL 25 25P 25R201401057555164-14112160
251501158565164-14123180
3216513510078184-18150250
4018014511085184-18156300
50200160125100208-18172350
65220180145120228-18197350
80250195160135228-23222400
100280230190160248-23253500
125320270220188288-25275600
150360300250218308-25286800
2004003603102783412-253401200

4.0MPaDNLDD1D2D6bn-φdHD0
凹凸法兰 MFM Q41F Q41PPL 40 40P 40R1513095654540164-14103140
20140105755551164-14112160
25150115856558164-14123160
321801351007866184-18150250
402001451108576184-18156250
5022016012510088204-18172350
65250180145120110228-18197350
80280195160135121228-18222450
100320230190160150248-23253450
125400270220188176288-25275600
150400300250218204308-25286800
2005503753202822603812-303401200
6.4MPa15165105755540184-14105140
凹凸法兰 MFM Q41F Q41PPL 64 64P 64R20190125906851204-18125160
252161351007858224-18135250
322291501108266244-23150350
402411651259576244-23165350
5029217513510588264-23175450
65330200160130110288-23200450
80356210170140121308-23210600
100432250200168150328-25250700
125508295240202176368-302951100
150559340280240204388-343401500


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