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Q81F Clamp (Quick-Connect) Three-Piece Ball Valve Overview
The Q81F Clamp (Quick-Connect) Three-Piece Ball Valve is a specialized ball valve featuring sanitary clamp (quick-connect) ends and a three-piece body construction. The valve body is typically made of 304/316 stainless steel, with surfaces precision-polished to sanitary standards. Both ends are equipped with standard sanitary clamp fittings, enabling rapid installation and disconnection from the pipeline. Internally, the three-piece bolted design allows for complete disassembly for thorough cleaning. The ball and seat seals utilize sanitary-grade materials such as PTFE. This valve is specifically engineered for processes requiring frequent cleaning, sterilization, and contamination prevention, making it widely used in sanitary fluid handling systems across industries such as food and beverage, pharmaceuticals, biotechnology, and cosmetics.

Q81F Clamp (Quick-Connect) Three-Piece Ball Valve Product Image
Q81F Clamp (Quick-Connect) Three-Piece Ball Valve Features
1. Convenient Clamp Quick Connection: Utilizes standard sanitary clamp connections (e.g., SMS, DIN, ISO), enabling fast and easy installation and disassembly without special tools. This significantly enhances maintenance and cleaning efficiency in piping systems.
2. Sanitary Design with No Dead Zones: The valve's inner cavity and all wetted surfaces are polished to a high-grade finish, with smooth transitions at connection points to eliminate fluid retention dead zones. Complies with sanitary regulations such as GMP and FDA.
3. Easy Maintenance with Three-Piece Structure: The valve body employs a three-piece bolted design, allowing complete disassembly for thorough inspection, cleaning, sterilization, or replacement of internal components, including seals.
4. Reliable Sealing and Lightweight Operation: Incorporates sanitary-grade elastomeric sealing materials for excellent sealing performance. The 90-degree handle operation ensures quick opening and closing with low torque.
5. Well-Defined Application Scope: Specifically designed for liquid media at ambient to moderate temperatures and typically rated for medium to low working pressures. Its core design focus is to meet high sanitary standards and process requirements involving frequent cleaning.

Q81F Clamp (Quick-Connect) Three-Piece 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 | 密封垫seal gasket | PTFE |
| 4 | 填料packing | PTFE |
| 5 | 阀杆stem | 不锈钢stainless steel |
| 性能规范表Performance Specification | ||
| 公称压力Nominal Pressure | 1.6-6.4 | Mpa |
| 强度试验压力Shell Test | 2.4-9.6 | |
| 密封试验压力Seal Test | 1.76-7.04 | |
| 适用温度Suitable Temp. | 180 | ℃ |
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 GB9113.

Q81F Clamp (Quick-Connect) Three-Piece Ball Valve View Drawing
Q81F Clamp (Quick-Connect) Three-Piece Ball Valve Dimensions Table
| SIZE | 1/2" | 3/4" | 1" | 1-1/4" | 1-1/2" | 2" | 2-1/2" | 3" | 4" |
| PORT | 9.6 | 15.9 | 22.2 | 28.5 | 34.9 | 47.5 | 60.2 | 72.9 | 97.4 |
| L | 75 | 90 | 100 | 110 | 125 | 150 | 190 | 220 | 270 |
| D | 25.0 | 25.0 | 50.4 | 50.4 | 50.4 | 63.9 | 77.4 | 90.0 | 118.9 |
| S | 2.024 | 2.24 | 43.60 | 43.60 | 43.60 | 56.30 | 70.60 | 83.30 | 110.30 |
| H | 64 | 67 | 83 | 89 | 100 | 108 | 150 | 161 | 180 |
| T1 | - | - | 2.85 | 2.85 | 2.85 | 2.85 | 2.85 | 2.85 | 2.85 |
| T2 | 3.63 | 3.63 | 4.75 | - | - | - | - | - | - |
| W | 125 | 125 | 140 | 140 | 200 | 200 | 250 | 250 | 290 |

Model:
Q11F-16T/Q11F-25T/Q11F-40TSpecification:
DN8-DN50Pressure:
PN16、PN25、PN40Material:
Brass
Model:
Q11FSpecification:
DN6-DN100Pressure:
1.6Mpa-6.4MpaMaterial:
stainless steel
Model:
Q641F-16C/Q641F-25C/Q641F-40C/Q641F-16P/Q641F-25P/Q641F-40P/Specification:
DN20-DN200Pressure:
PN16,PN25,PN40Material:
Carbon steel,stainless steel,Bronze