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  • Name: AQ3 safety vavle
  • NO.: AQ3 safety vavle
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Applications
AQ3 sanitary safety valve is a sanitary stainless steel safety valve, with safety design for equipment protection. It is installed in the discharge pressure loop in order to protect pipelines, pumps, fittings, and tanks, etc.. It is widely used in food, beverage, diary, pharmaceutical and beer industries.
Operating Principle
AQ3 sanitary safety valve calibrates a specific pressure by adjusting the gland nut of the spring. Calibration pressure is a maximum safe pressure value fixed in order to avoid equipment damage. Under normal working pressure, the valve is closed. When the pressure in the pipe system exceeds the calibration pressure, the valve is open. Thus, the pressure in the pipe system is discharged and the pipeline and equipment are protected.
AQ3 sanitary safety valve is operated by a handle. AQ3-1 series is an improved version of the AQ3 sanitary safety valve. It is equipped with a pneumatic actuator, which is convenient to carry out CIP cleaning to safety valve and pipelines.
AQ3 sanitary safety valve is a more specialized valve, and it has been checked strictly before delivery. In order to ensure conformity to the actual operation conditions, please check the valve on-site if possible.

Correct Installation Method

Technical Data

Material Contact product parts 304L/316L(1.4307/1.4404)
non-contact product parts 304(1.4301)
We can provide EN 10204 3.1B certificate.
Seal material standard EPDM
option SILICONE, PTFE, FPM, NBR
All seal materials comply with FDA 177.2600.
Temperature Running work temperature -20~+135℃(EPDM)
Sterilization temperature 150℃ (max20min)
Pressure Base measuring pressure 0-3bar/0-6bar/0-10bar(According to the role of spring) 0-3bar/0-6bar/0-10bar (According to the role of spring)
Control air pressure 5~8bar
Surface treatment Internal surface Ra≤0.8μm
External surface 喷丸处理 Grit blasting
Connection Connection standard Welding end: DIN 11850 series 2
Welding end: Inch pipe diameter standard
Connection method: welding、thread、clamp、flange

 

AQ3 Series

DIN
Size C DN25 60 DN32 60 DN40 70 DN50 80 DN65 95 DN80 115 DN100 125
OD M/DIN Clamp 29X1.5 21.5 35X1.5 21.5 41X1.5 21.5 53X1.5 21.5 70X2.0 28 85X2.0 28 104X2.0 28
M/3A Clamp - - - - - - -
3A
Size C 1" 60 1-1/4" 60 1-1/2" 70 2" 80 2-1/2" 95 3" 115 4" 125
OD M/DIN Clamp 25.4X1.65 - 31.75X1.65 - 38.1X1.65 - 50.8X1.65 - 63.5X1.65 - 76.2X1.65 - 101.6X2.11 -
M/3A Clamp 12.7 12.7 12.7 12.7 12.7 12.7 15.8

AQ3-2 Series

DIN
Size OD DN25 29X1.5 DN32 35X1.5 DN40 41X1.5 DN50 53X1.5 DN65 70X2 DN80 85X2 DN100 104X2
C M*(DINclamp) 50 12.7 55 12.7 57 12.7 65 12.7 80 12.7 95 12.7 115 15.8
M*(3Aclamp) - - - - - - -
3A
Size OD 1.0" 25.4X1.65 1-1/4" 1.75X1.65 1-1/2" 38.1X1.65 2.0" 50.8X1.65 2-1/2" 63.5X1.65 3.0" 76.2X1.65 4.0" 101.6X2.11
C M*(DINclamp) 50 - 55 - 57 - 65 - 80 - 95 - 115 -
M*(3Aclamp) 12.7 12.7 12.7 12.7 12.7 12.7 15.8

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