DONJOY TECHNOLOGY CO., LTD
Established more than 30years, over 200 employees and 30 key technological team members , 4 inventions, 200 patents.
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DN100 Donjoy double seat mix proof valve with T-22-90
Specification
| Product wetted parts | AISI 316L |
| Other stainless steel parts | AISI 304 |
| Seat Material (Default) | EPDM, FDA177.2600 |
| Seat Material (Option) | FPM (Viton), FDA177.2600 |
| End Connections | butt-welded, tri-clamp, Flange |
| Max. Working Pressure | 145psi (10bar) |
| Min. working pressure | absolute vacuum |
| Working Temperature | 14°F to 266°F (-10 to 130°C), 284°F (140°C) for short time sterilisation. |
| Internal Finish | Ra 32μin (0.8μm) as default, Ra 16μin (0.4μm) as best. |
| External Finish | sandblast, or others upon request. |
| Pneumatic Actuator Types | Normally Closed (NC) – Air to open and spring to close; |
| Normally Open (NO) – Air to close and spring to open; | |
| Air to Air (AA) – Air to open, air to close. | |
| Actuator air pressure | 79-102 psi (5.5 bar-7 bar) |
| Units for intelligent control and indication | C-top control |
| IL-top control (Positioner) | |
| Electric connection | |
| AS-I bus connection |
Applications
◆The mixproof valve is widely used in fluid processing technology, especially in the beverage, dairy industry applications.
◆Mixproof valve is a high degree of double-seal valve. Through the interface between two fluids, this system can be implemented in two body synchronization process, preventing the possibility of contaminating materials. leakage chamber and leak detector is self- cleaning by valve seat.
Operating principles
● Lift type mixing proof valve is remotely operated by compressed air. It is normally closed before running.
● The mixing proof valve is constructed with two independent plugs, which will form a leakage chamber to atmosphere under normal working status. When occasional failure causes leakage happen, medium will flow into the chamber and be diacharged at the outlet port.
● The leakage chamber is closed when the valve is operating, the medium can flow through one pipeline to another. This valve can be clean in place. Many options of CIP and SIP combination are available to users.(Refer to cleaning sterilization function options)
● Clean system can clean the upper, lower stem and leakage chamber, which ensure the valve to be high hygienic. Effectively cleanig system makes the fluid that special for (CIP) clean in place directly wash all the inside calve body, it takes shorter time than common cleaning system.
● Another beneficial of the high cleaning system is that the lift type mixing proof valve can be applied to aseptic processing. If user’s steam into CIP pipeline, the system will constitute a shield that can isolate air.
Drawing
Valve Body conbine
Function Selection
Also use for Manifold ,Examples of A Standard Manifold
Tags : Double seal valve, Mixing proof valve , Donjoy Valve