E-RVIA Ventable, pilot-operated, balanced piston relief valve

SYMBOL

 
DESCRIPTION

Ventable, pilot-operated, balanced piston relief cartridges are normally closed pressure regulating valves. 

OPERATION

The E-RVIA-LAN valve pressure at the inlet (port 1) reaches the valve setting, the valve starts to open to tank (port 2), throttling flow to regulate the pressure. They provide a vent port (port 3) that connects between the main piston and pilot stage to provide for romote control by other pilot or 2-way valves. These valves are accurate, have low pressure rise vs. flow, they are smooth and quiet, and are moderately fast. 

FEATURES

* A romote pilot relief on port 3 (vent) will control the valve below its own setting.

* Will accept maximum pressure at port 2; suitable for use in cross port relief circuits. 

* Minimum stage orifice is protected by a 150-micron stainless steel screen.

* Back pressure on the tank port (port 2) is directly additive to the valve setting at 1:1 ratio. 

* The main stage orifice is protected against contamination. 

* Minimum setting is 75 psi (5 bar) for all spring ranges of E-RVBA

SPECIFICATIONS:

Max.Operating Pressue: 350 bar (5000 psi)

Capacity: 480 L/min (120 gpm)

Control Pilot Flow: 0,25 - 0,33 L/min.

Maximum Valve Leakage at 110 SUS (24 cSt): 81,9 cc/min.at 70 bar

Temperature: - 40°C ~ +120 °C

Fluids: Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt (50 to 2000 sus)  

Cavity: T-19A

PERFORMANCE (Cartridge Only):

AAK Hydraulic Valve is a top manufacturer for Hydraulic Screw-in Cartridge Valves in Ningbo China since 2009.

We guarantee quality for 3 years for non-standard customized valves: No leakage, No Noise, No Vibration.

Contact us to customize your valves and promote your business with our premium quality!