01
Hygienic Stainless Steel Flush Bottom Valve with Spare Diaphragm and O Ring
Application
The QF series tank bottom ball valve is made of SS304 or SS316 stainless steel and is welded to the bottom of the tank to ensure fast and smooth discharge of the medium in the tank. Its three-piece design makes maintenance and assembly easier, greatly improving usage efficiency. The welded-in-place tank gasket is designed to be directly connected to the center of the valve body, ensuring the stability and reliability of the valve. In addition, QF series ball valves can be equipped with three-clamp, butt welding or flange connection ends as required to adapt to different installation environments and process requirements. This flexibility makes the QF series ball valves excellent in a variety of industrial applications, especially where efficient discharge and easy maintenance are required. Whether in the food, chemical or pharmaceutical industries, QF series tank bottom ball valves can provide excellent performance and reliable service, becoming an indispensable and important part of modern storage tank systems. Its superior design and material selection not only extend the service life, but also reduce maintenance costs and ensure the smoothness and safety of the production process. When you choose the QF series tank bottom ball valve, you will experience an efficient and reliable fluid control solution.
Design Features
Full port design
Integral ISO 5211 mounting pad
1000 psi WOG
Lockable handle can prevent accidental actuation
Sizes are available from 1/2"/DN15 to 4"/DN100
Connection: Welding, Clamp, Flange or others upon request
Materials
Valve body: SS304 or SS316
Valve seat: PTFE
Size: 1” to 5”
FDA seal
Valve seat: PTFE
Gasket: Silicon,FPM,EPDM+PTFE
Technical Specification
Max. pressure: 10Bar (DN15-DN65/ 1/2"-21/2")
8Bar (DN80-DN100/ 3"-4")
Working temperature: -20℃ to + 150℃ (PTFE)
Option
Automatic operation : pneumatic stainless steel actuator (vertical type), pneumatic aluminum actuator (horizontal type), and electric actuator
NC operated: normally closed (fail closed)---air to open, spring to close
NO operated: normally open (fail open)---air to close, spring to open
AA operated: double acting---air to open, air to close
·Valve intelligent control: position sensor, C-top controller, C-top controller (AS-I)











