PARKER 016-80686-0 Relief Valve

hot selling

1 year warranty

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Brand:
Other
Order(MOQ):
1
Payment:
T/T
Product Origin:
USA
Color:
Brand New
Shipping Port:
Xiamen
Product Origin:
USA
Lead Time:
3-5 days

Product Detail

◆Brand New ◆In Stock ◆Fast Shipping

Sales Manger

Yuki Huang

E-mail

Sales6@askplc.com

+86-17359287459

Model Description

The 016-80686-0 is a Parker Hannifin direct-operated pressure relief valve, also referred to as a seated-type overflow valve. This valve is designed to limit system pressure in hydraulic circuits by diverting excess oil to a low-pressure return line once the preset pressure threshold is exceeded. It is a direct-operated, seated-type valve, meaning it responds directly to system pressure without the need for a pilot stage, providing fast and reliable pressure control. The valve is commonly used for remote pressure control applications, including controlling pilot-operated pressure valves or pressure compensators on variable displacement pumps, and is particularly well-suited for the industrial machine tool market, general hydraulic systems, and nuclear power plant applications.

Key Technical Specifications

Maximum Operating Pressure (Port P)	350 Bar (5075 PSI)
Pressure Ranges	105 Bar, 210 Bar, 350 Bar (three stages)
Minimum Pressure Setting	7 Bar (102 PSI)
Nominal Flow Rate	3.8 LPM (1.0 GPM)
Ambient Temperature Range	-20°C to +70°C (-4°F to +158°F)
Fluid Temperature Range	-20°C to +70°C (-4°F to +158°F)
Compatible Fluid	Hydraulic oil per DIN 51524 / 51525
Mounting Options	Front panel mounting, subplate mounting
Adjustment Modes	Hand knob, acorn nut with lead seal, cylinder lock
Weight	Approx. 0.1 - 0.2 kg
Dimensions	3.2 cm x 8.8 cm x 8.7 cm

Typical applications

Remote Pressure Control	Used for remote control of pilot-operated pressure valves or pressure compensators on variable pumps, as an alternative to electrohydraulic systems
Machine Tools	Particularly suitable for the industrial machine tool market
General Hydraulic Systems	Suitable for a wide range of general hydraulic applications requiring reliable and simple hydraulic remote control
Nuclear Power Plants	Documented use in nuclear power plant applications
Variable Pump Compensation	Functions as a remote control for compensators on variable displacement pumps

FAQ

Q1:What does Parker Hannifin do?	A1:Parker Hannifin is a global leader in motion and control technologies, providing hydraulic, pneumatic, electromechanical, and filtration solutions for industrial and aerospace applications.
Q2:What are the most common failure modes of Parker 690+ AC drives, and how are they diagnosed?	A2:The Parker 690+ series (a flux vector AC drive widely used in extruders, paper machines, and compressors) has three predominant failure patterns : DC bus capacitor aging (most common >10 years old), IGBT module failure, Internal power supply failure (SMPS) .
Q3:What is the Omega seal profile, and how does it solve the PSA-backed gasket peeling problem?	A3:The Omega seal profile (e.g., W034) is a Parker engineered sealing solution. Standard hollow D-profile seals bow up to 0.030 inches when compressed, stressing the PSA backing and causing peeling. The Omega profile adds a hump in the middle of the flat portion, reducing bowing to as low as 0.004 inches—eliminating peeling stress and ensuring reliable sealing.

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