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Q11F Square Three-Piece Ball Valve

  • Model:Q11F -16C/Q11F -25C/Q11F -40C/Q11F -16P/Q11F -25P/Q11F -40P
  • Specification:DN15-DN200
  • Temperature:≤450℃
  • Medium:water, gas, oil corrosive media
  • Pressure:PN16,PN25,PN40
  • Connection method:PN16,PN25,PN40
  • Driving method:Manual, pneumatic, electric
  • Material:forged steel,forged stainless steel
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  • Product Overview
  • Performance Data
  • Size Weight

Q11F Square Three-Piece Ball Valve Overview

The Q11F Square Three-Piece Ball Valve is a ball valve featuring a three-piece split-body design with a square-shaped valve body and internal thread connections. The valve body and connecting components are typically made of brass or stainless steel, consisting of two end caps and a central valve body bolted together to form a stable structure that facilitates easy disassembly and maintenance.The valve operates by rotating the stem to drive the ball 90 degrees for opening or closing, while the seat seal is made of soft materials such as PTFE (polytetrafluoroethylene) to ensure reliable sealing. Known for its distinctive square appearance, compact split-body design, and high cost-effectiveness, this valve is suitable for non-corrosive media such as water, oil, and gas, with a typical working pressure range of PN16 to PN40. It is widely used in instrumentation, small equipment, water/gas supply systems, pneumatic systems, and general industrial pipelines.

Q11F Square Three-Piece Ball Valve Product Image

Q11F Square Three-Piece Ball Valve Features

1. Square Three-Piece Split Structure: The distinctive square valve body is composed of three bolted-together sections, offering a sturdy construction and convenient disassembly, facilitating internal cleaning and component maintenance.

2. Compact and Reliable Threaded Connection: Equipped with internal threads (G or NPT), the valve features a short, space-saving design that requires minimal installation space while ensuring reliable sealing, making it suitable for small and compact pipeline layouts.

3. Excellent Sealing and Low Operating Torque: The PTFE seat forms a soft seal with the ball, providing superior sealing performance and a low friction coefficient, which enables smooth and effortless opening and closing operation.

4. Durability and Ease of Maintenance: Made from corrosion-resistant and high-strength brass or stainless steel, the valve ensures long service life. In case of seal failure, it can be quickly restored by replacing the seat or using a complete repair kit, resulting in low maintenance costs.

5. Cost-Effectiveness and Neat Appearance: With reasonable manufacturing costs, the valve delivers high value for money. Its square shape allows for orderly arrangement and secure mounting on equipment or pipelines, offering both aesthetic appeal and practicality.

Q11F Square Three-Piece Ball Valve Structure Diagram

Parts Name Material List

序 号NO.名称Name材料Material
1阀体body不锈钢stainless steel
2球体ball不锈钢stainless steel
3O型圈 O ring氟橡胶氟橡胶FKM 、Viton
4填料packing弹性石墨flexible graphite
5阀杆stem不锈钢stainless steel

性能规范表Performance Specification
公称压力Nominal Pressure1.6/2.5/4Mpa
强度试验压力Shell Test2.4/3.75/6
密封试验压力Seal Test1.76/2.75/4.4
适用温度Suitable Temp.450


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 JB/T7306.

Q11F Square Three-Piece Ball Valve View Drawing

Q11F Square Three-Piece Ball Valve Dimensions Table

磅级 Class缩径 RB通径 FBLL1dNPTSWHW
RBFBRBFB
Q11F 800LB 900LB 1500LB3/8"×1/4"1/4"929.69.53/8"1/4"17.614.253130
1/2"×3/8"3/8"929.69.51/2"3/8"21.817.653130
3/4"×1/2"1/2"9212.7143/4"1/2"27.121.856130
1"×3/4"3/4”11112.7191"3/4"33.827.170160
1-1/4"×1"1"12712.7251-1/4”1"42.633.880220
1-1/2"×1-1/4"1-1/4"14012.7301-1/2"1-1/4"48.742.690250
2"×1-1/2"1-1/2"15215.9382"1-1/2"61.248.7100250
2-1/2"×2"2"17815.9482-1/2"2"74.161.2110300
Q11F 2500LB3/8"×1/4"1/4"1119.69.53/8"1/4"17.614.253160
1/2"×3/8"3/8"1119.69.51/2"3/8"21.817.653160
3/4"×1/2"1/2"11112.7143/4"1/2"27.121.856160
1"×3/4"3/4"12712.7191"3/4"33.827.170220
1-1/4"×1"1"14012.7251-1/4"1"42.633.880250
1-1/2"×1-1/4"1-1/4"15212.7301-1/2"1-1/4"48.742.690250
2"×1-1/2"1-1/2"17815.9382"1-1/2"61.248.7100300
2-1/2"×2"2"20315.9482-1/2"2"74.161.2110320


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