Festo HGL-1/2-QS-12 pilot-operated check valve
Valve function Pilot one-way function
P-port 1 QS-12
Pneumatic connection, port 2 G1/2
Pilot port 21 G3/8
Drive mode: Pneumatic
Installation screw-in through a male thread
Operating pressure 0.5 bar ... 10 bar
Pilot pressure 1 bar ... 10 bar
Ambient temperature -10 °C ... 60 °C
Standard flow rate 1->2 (6-0) 2100 l/min
Standard nominal flow rate 1->2 (6-5) 1400 l/min
Description of the working and pilot media Can be operated with lubricating media (after which the lubricating medium must be worked continuously)
Corrosion Resistance Class CRC 2 - Medium Corrosion Resistance
Storage temperature -10 °C ... 60 °C
Medium temperature -10 °C ... 60 °C
Pilot medium Compressed air per ISO 8573-1:2010 [7:4:4]
Nominal torque 14 Nm
Nominal tightening torque tolerance ± 10%
Product weight 116.9 g
Material Description: Free of copper and PTFE RoHS compliant
Seal material NBR
Hollow bolt material, anodized treatment, refined aluminum alloy
Release Ring Material POM
Check casing material NBR
Oscillating joint material: Die-cast zinc
Models of the same series of products:
HGL-1/4-B ；HGL-1/4-QS-10 ；HGL-1/4-QS-8 ；
HGL-1/8-QS-4 ；HGL-1/8-QS-6 ；HGL-3/8-B ；
The company has been to "customer first" for the concept, to the best quality products and quality service to win the market, we hope to cooperate with all sectors of society, mutual help, mutual benefit and win-win, if you are interested in other products or have other questions, welcome to inquire, we will serve you with the most sincere attitude, to give you a pleasant shopping experience.
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