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Application
YG diaphragm valve is a series of sanitary diaphragm valve, it is widely used on wine, dariy products, beverage
,foodstuff industry, pharmacy etc. Achieving the requirement of control and open/close for the pipeline system.
Work Principle
The diaphragm is close under normal state, and that moment the diaphragm clung to the vlave body cavity, and closing
off the flow path through the pipeline. When the diaphragm valve have the requirement to clean or open, the valve system
moves upwards according to the manual or pneumatic actuator equipments, spherical diaphragm naturally bend upwards,
so that the vlave is open and reach the requirement of clean and open. The diaphragm make the lower body cavity and the
upper chamber separated from the vlave cover, so that the stem at the top of the diaphragm, disc media and the other parts
form corrosion, eliminating the need of packing structure, and no media leaks. The optimize vlave body made the cleaning liquid
flow out fotally, so that don't have any entrapment.


Technical Data | |||
Material | Contact with the product components | 304L/316L(1.4306/1.4404) Forging | Can provide material inspection report |
Material No contact with the product components | 304/202(1.4301/202) Forging | ||
Sealing Material | Standard | EPDM+PTFE | Adopt import sealing materials, with all the seal material the FDA 117.2600 |
Option | VMQ | ||
Pressure | Pressure of Work | 0~10bar | |
Control air pressure | 5~8 bar | ||
Temperature | Working temperature | VMQ:(-50~+180℃) EPDM:(-20~+135℃)FPM:(-30~+230℃) | |
Sterilization temperature | 150℃(MAX20min) | ||
Surface treatment | Inside surface treatment | Ra>=0.4-0.8μm | |
Surface treatment | Ra>=0.8-1.6μm | ||
Connection | The diameter welding | Welding mouth:DIN 11850-2with 11850-1/SMS/3A/ISO Series etc | |
Connection mode: welding, fast loading, union, flange, etc. | |||
Pneumatic control | Pneumatic head and fixed bracket | ||

