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JONENG
STAINLESS STEEL Sanitary Wafer PTFE DN300 316L butterfly valve
Stainless steel sanitary wafer PTFE DN300 butterfly valves are available in manual, electric, and pneumatic types, rated PN10–PN16, made of 316L, featuring corrosion resistance, reliable sealing, easy cleaning, and hygienic performance.
Working Principles
The stainless steel sanitary wafer PTFE DN300 316L butterfly valve operates by rotating the disc around a central shaft through a manual, electric, or pneumatic actuator. When opened, the disc turns parallel to the flow direction, allowing smooth passage with minimal pressure loss. When closed, the disc presses tightly against the PTFE seat to achieve reliable sealing and prevent leakage. The 316L stainless steel body provides excellent corrosion resistance and hygienic performance, while the PTFE seat ensures chemical resistance and temperature stability. Its compact wafer design allows easy installation, cleaning, and maintenance, making it suitable for food, pharmaceutical, and bioprocess pipeline systems.
Stainless Steel Butterfly Valve Specification Chart
Working Pressure | 10 Bar (Max. Pressure is 16bar for but welded connection in small sizes |
Working temperature | -10ºC TO + 120ºC |
Size | 1/2”-12”, DN15-DN300 |
Grade | AISI304 and AISI316L |
FDA approved gaskets in silicone, EPDM, viton, PTFE | |
Connection | Clamp, Weld, Thread,male threaded; female threaded; flange end;union connection |
Surface | Sanitary inside polish (Ra ≤ 0.8 μm) |
Sanitary outside polish (Ra ≤1.6 μm) | |
Standard | ISO, 3A, SMS, RJT, DIN and so on |
Butterfly valve disc and body is made from forging | |
Manual or pneumatic actuated or electric actuated are chosen as per the different applications. | |
Required compressed air | 4-8Bar |
Connection of compressed air | G 1/8’’ |
Limit switch | 6-36V, DC 2nos of NPN or PNP( to be chose |
Valve parts
Body | Stainless steel AISI316L or AISI 304 (1.4301/1.4404) |
Disc | AISI304 or AISI316L |
Pull-position handle | Stainless Steel Material, Round type or square type |
Multi-position Gripper Handle | ABS gripper handle, SS gripper handle, 2/3/4/12 positions to adjustment, Universal type |
Gasket | EPDM, VITON(FPM), Silicone, different color is available |
Bushing | EPDM or PTFE, other material request |
Nut | Stainless Steel 304 or 316 Material or other request |
Bolt | Stainless Steel 304 or 316 Material or other request |
Features
● Seats and seals comply with FDA approved
● Special gasket design, fluid free of residue
● Better acid proof, alkali proof
● Small torque, light weight,simple structure
● 360 degree installation
● 100% tested and inspected
● Cost-efficient leakage protection
● More than thirty thousand safety test
● Low pressure losses
● Thorough cleaning,Hygienic exterior design
● Minimize turbulence and maximize fluid flow trough
Application
The stainless steel butterfly valve is widely used in food and beverage processing, pharmaceutical production, biotechnology, and cosmetic industries. For example, it is installed in dairy processing lines to control milk and liquid ingredients, and in pharmaceutical clean piping systems to manage purified water, CIP fluids, and process media while maintaining strict hygienic standards.
Working Principles
The stainless steel sanitary wafer PTFE DN300 316L butterfly valve operates by rotating the disc around a central shaft through a manual, electric, or pneumatic actuator. When opened, the disc turns parallel to the flow direction, allowing smooth passage with minimal pressure loss. When closed, the disc presses tightly against the PTFE seat to achieve reliable sealing and prevent leakage. The 316L stainless steel body provides excellent corrosion resistance and hygienic performance, while the PTFE seat ensures chemical resistance and temperature stability. Its compact wafer design allows easy installation, cleaning, and maintenance, making it suitable for food, pharmaceutical, and bioprocess pipeline systems.
Stainless Steel Butterfly Valve Specification Chart
Working Pressure | 10 Bar (Max. Pressure is 16bar for but welded connection in small sizes |
Working temperature | -10ºC TO + 120ºC |
Size | 1/2”-12”, DN15-DN300 |
Grade | AISI304 and AISI316L |
FDA approved gaskets in silicone, EPDM, viton, PTFE | |
Connection | Clamp, Weld, Thread,male threaded; female threaded; flange end;union connection |
Surface | Sanitary inside polish (Ra ≤ 0.8 μm) |
Sanitary outside polish (Ra ≤1.6 μm) | |
Standard | ISO, 3A, SMS, RJT, DIN and so on |
Butterfly valve disc and body is made from forging | |
Manual or pneumatic actuated or electric actuated are chosen as per the different applications. | |
Required compressed air | 4-8Bar |
Connection of compressed air | G 1/8’’ |
Limit switch | 6-36V, DC 2nos of NPN or PNP( to be chose |
Valve parts
Body | Stainless steel AISI316L or AISI 304 (1.4301/1.4404) |
Disc | AISI304 or AISI316L |
Pull-position handle | Stainless Steel Material, Round type or square type |
Multi-position Gripper Handle | ABS gripper handle, SS gripper handle, 2/3/4/12 positions to adjustment, Universal type |
Gasket | EPDM, VITON(FPM), Silicone, different color is available |
Bushing | EPDM or PTFE, other material request |
Nut | Stainless Steel 304 or 316 Material or other request |
Bolt | Stainless Steel 304 or 316 Material or other request |
Features
● Seats and seals comply with FDA approved
● Special gasket design, fluid free of residue
● Better acid proof, alkali proof
● Small torque, light weight,simple structure
● 360 degree installation
● 100% tested and inspected
● Cost-efficient leakage protection
● More than thirty thousand safety test
● Low pressure losses
● Thorough cleaning,Hygienic exterior design
● Minimize turbulence and maximize fluid flow trough
Application
The stainless steel butterfly valve is widely used in food and beverage processing, pharmaceutical production, biotechnology, and cosmetic industries. For example, it is installed in dairy processing lines to control milk and liquid ingredients, and in pharmaceutical clean piping systems to manage purified water, CIP fluids, and process media while maintaining strict hygienic standards.
