HGL-1/4-QS-8 FESTO Pilot Check Valve: The Expert in Precise Control for Pneumatic Systems

In pneumatic control systems, check valves play a crucial role in preventing the backflow of gas and ensuring the normal operation of the system. FESTO’s HGL-1/4-QS-8 pilot check valve offers a reliable control component for industrial automation with its efficient pilot one-way function and wide applicability.

Product Features

• Pilot One-Way Function: Single-direction flow is achieved through pilot control, preventing the backflow of compressed air.
• Various Pneumatic Interface Options: Offers two types of pneumatic interfaces, QS-8 and G1/4, to meet different pipeline connection needs.
• Pneumatic Drive: Driven by pneumatic power, it responds quickly and is easy to operate.
• Screw-in Installation: Installed by screwing in through external threads, simplifying the installation process and enhancing stability.
• Wide Working Pressure Range: Suitable for a working pressure range of 0.05 Mpa to 1 Mpa (0.5 bar to 10 bar).
• Environmental Temperature Adaptability: Stable operation in environmental temperatures ranging from -10°C to 60°C.
• Working Medium: Compatible with compressed air, conforming to the ISO 8573-1:2010 [7:4:4] standard.
• Corrosion Resistance Level: CRC Level 2, with moderate corrosion resistance.
• Clean Room Class: Reaches Class 4 clean room level, conforming to the ISO 14644-1 standard.

Technical Specifications

• Pilot Pressure: 0.2 Mpa to 1 Mpa (2 bar to 10 bar, 29 psi to 145 psi).
• Standard Flow Rate: 640 L/min when 1->2 (6-0).
• Standard Nominal Flow Rate: 390 L/min when 1->2 (6-5).
• Medium Temperature: The same as the environmental temperature, ranging from -10°C to 60°C.
• Pilot Medium: Also uses compressed air conforming to the ISO 8573-1:2010 [7:4:4] standard.
• Nominal Torque: 11 Nm, ensuring the stability of valve operation.
• Product Weight: 38.7 g, lightweight design facilitating installation and maintenance.

Application Fields

The HGL-1/4-QS-8 pilot check valve is suitable for various industrial applications such as automated machinery, pneumatic control systems, medical equipment, and food processing, especially in situations requiring precise control of gas flow direction.

With its precise control performance, wide working pressure adaptability, and corrosion resistance characteristics, the FESTO HGL-1/4-QS-8 pilot check valve is an ideal choice in the field of industrial automation. Choosing this pilot check valve provides stable and reliable assurance for your pneumatic control system.

HGDT-35-A-G2
HGDT-40-A
HGDT-40-A-F
HGDT-40-A-F-G1
HGDT-40-A-F-G2
HGDT-40-A-G1
HGDT-40-A-G2
HGDT-50-A
HGDT-50-A-F
HGDT-50-A-F-G1
HGDT-50-A-F-G2
HGDT-50-A-G1
HGDT-50-A-G2
HGDT-63-A
HGDT-63-A-F
HGDT-63-A-F-G1
HGDT-63-A-F-G2
HGDT-63-A-G1
HGDT-63-A-G2
HGL-M5-B
HGL-M5-QS-4
HGL-1/8-1/8-B
HGL-1/8-B
HGL-1/8-NPT
HGL-1/8-QS-4
HGL-1/8-QS-6
HGL-1/4-B
HGL-1/4-NPT
HGL-1/4-QS-8
HGL-1/4-QS-10
HGL-3/8-B
HGL-3/8-NPT
HGL-3/8-QS-8
HGL-3/8-QS-10
HGL-1/2-B
HGL-1/2-NPT
HGL-1/2-QS-12
HGP-16-A-B-SSK
HGP-25-A-B-SSK
HGPD-16-A
HGPD-16-A-G1
HGPD-16-A-G2
HGPD-20-A
HGPD-20-A-G1
HGPD-20-A-G2
HGPD-25-A
HGPD-25-A-G1
HGPD-25-A-G2
HGPD-35-A
HGPD-35-A-G1
HGPD-35-A-G2
HGPD-40-A
HGPD-40-A-G1
HGPD-40-A-G2
HGPD-50-A
HGPD-50-A-G1
HGPD-50-A-G2
HGPD-63-A
HGPD-63-A-G1
HGPD-63-A-G2
HGPD-80-A
HGPD-80-A-G1
HGPD-80-A-G2
HGPL-14-20-A-B
HGPL-14-40-A-B
HGPL-14-60-A-B
HGPL-14-80-A-B
HGPL-25-20-A-B
HGPL-25-40-A-B
HGPL-25-60-A-B
HGPL-25-80-A-B
HGPL-40-20-A-B
HGPL-40-40-A-B
HGPL-40-60-A-B
HGPL-40-80-A-B
HGPL-40-100-A-B
HGPL-63-60-A-B
HGPL-63-100-A-B
HGPL-63-150-A-B
HGPL-HR-14
HGPL-HR-25
HGPL-HR-40
HGPL-HR-63
HGPM-08-EO-G6
HGPM-08-EO-G8
HGPM-08-EO-G9
HGPM-08-EZ-G6
HGPM-08-EZ-G8
HGPM-08-EZ-G9
HGPM-12-EO-G6
HGPM-12-EO-G8
HGPM-12-EO-G9
HGPM-12-EZ-G6
HGPM-12-EZ-G8
HGPM-12-EZ-G9
HGPP-10-A
HGPP-10-A-G1
HGPP-10-A-G2
HGPP-12-A
HGPP-12-A-G1
HGPP-12-A-G2
HGPP-16-A
HGPP-16-A-G1
HGPP-16-A-G2
HGPP-20-A
HGPP-20-A-G1
HGPP-20-A-G2
HGPP-25-A
HGPP-25-A-G1
HGPP-25-A-G2
HGPP-32-A
HGPP-32-A-G1
HGPP-32-A-G2
HGPP-HWS-Q5-1
HGPP-HWS-Q5-2
HGPP-HWS-Q5-3
HGPP-HWS-Q5-4
HGPP-HWS-Q5-5
HGPP-HWS-Q5-6
HGP-SL10-10
HGP-SL10-16
HGP-SL10-20
HGP-SL10-25
HGP-SL10-35
HGPT-16-A-B
HGPT-16-A-B-F
HGPT-16-A-B-F-G1
HGPT-16-A-B-F-G2
HGPT-16-A-B-G1
HGPT-16-A-B-G2
HGPT-20-A-B
HGPT-20-A-B-F
HGPT-20-A-B-F-G1
HGPT-20-A-B-F-G2
HGPT-20-A-B-G1
HGPT-20-A-B-G2
HGPT-25-A-B
HGPT-25-A-B-F
HGPT-25-A-B-F-G1
HGPT-25-A-B-F-G2
HGPT-25-A-B-G1
HGPT-25-A-B-G2
HGPT-35-A-B