1/2 NPT 30 GPM 500-1500 PSI Hydraulic Cushion Valve Prince DRV-4LL

Item Number: 9-4019-50-L

Price: $95.85
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1/2 NPT 30 GPM 500-1500 PSI Hydraulic Cushion Valve Prince DRV-4LL

1/2 NPT 30 GPM 500-1500 PSI Hydraulic Cushion Valve Prince DRV-4LL

item number: 9-4019-50-L PRICE: $95.85 85 In Stock Regular Stock Item



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1/2 NPT 30 GPM 500-1500 PSI Hydraulic Cushion Valve Prince DRV-4LL
Item Number: 9-4019-50-L
Price: $95.85
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* UPS 3-Day, 2-Day, and Next Day orders entered before 1pm (CST) Mon-Fri will be shipped the same day. Orders entered Sat or Sun will be shipped the following Monday.
  • This item is on page 36 of our current catalog
Description
DESCRIPTION
1/2 NPT DOUBLE RELIEF VALVE
Brand new PRINCE DRV-4LL. Cushion valve or double relief valve. Use to stop or minimize surge, shock and overload in hydraulic circuits. Install between control valve and motor or cylinder. Bypasses to opposite side to prevent cavitation.

SPECIFICATIONS
  • Flow Rate 30 GPM max.
  • Relief Range 500-1500 PSI
  • Ports 1/2" NPT
  • Shpg. 8 lbs.
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Instructions
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Dimensional DiagramMore Specs
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Showing Questions of 11

at what pressure is this relief set at on a 500-1500

A: The relief is set at 1000 PSI.
Date Submitted: 05/19/2019

Hi, Could a person swap the spring out in the relief valve for a lighter one to be able to adjust the relief pressure lower? I’m needing a relief pressure around 150-200 psi. Thanks

A: The relief valve in these is a differential poppet-type cartridge which is not able to be user modified.
Date Submitted: 12/14/2018

I purchased this valve how do I adjust the relief pressure I need the max that it is rated for

A: For the relief cartridge on either side of the valve: Remove the castle nut, release the jam nut, screw the internal hex stem in for more pressure while reading the system pressure on a gauge- while the function is deadheaded, out for less pressure. Tighten the jam nut, replace the castle nut.
Date Submitted: 07/25/2018

If input pressure is 4100 PSI, using the one unit of 1/2 port with 500-1500 setting, Set to 1500 on both ports, will this cause a lot of heat when used? Trying to drop supply line from 4100 to 1500 to be used in a simple motor and cylinder circuit. Is there a better way to drop line pressure then using these?

A: If your system is Closed Center, an enormous amount of heat will be generated when in use as the system will constantly be trying to get to 4100 psi. If your system is Open Center, and the load resistance doesn't cause a pressure rise above the relief setting the valve will remain closed. If the load resistance does cause a pressure rise above the relief setting it will start going across the relief and generating heat. A pressure reducing valve may be a valid solution. We do not carry any pressure reducing valves.
Date Submitted: 06/25/2018

Can you get this valve with 1500 to 3000 PSI releif valves?

A: We stock that as item 9-4019-50-H.
Date Submitted: 04/16/2018

If I want the relief on this set to 500 psi, should I turn the valves all the way in until them bottom, then perhaps back out just a tiny bit? It isn't critical that it be exactly 500, but as low as possible, around 500. Thanks.

A: Cranking these in all the way will be the highest possible setting. The best way to adjust a relief valve is to install a gauge in the line to be adjusted, deadhead the flow in that line, and adjust while reading the gauge. Anything else is guesswork.
Date Submitted: 01/21/2018

I just asked a long previous question as follows below, and then realized I had selected the wrong psi range of 500-1500. I my case, I should had picked the 1500-3000. I just wanted to let you know I'm aware of this!! Previous question: I understand this is rated at 30 gpm through the work ports A to B and C to D. My question is what about the internal relief bypass passages can they handle the 30 gpm ? In other words lets say oil is traveling through port A/B to a cylinder that dead heads... but for some reason I'm still holding the valve wide open not realizing I have dead headed the cylinder. My systems MRV is set at 3400 psi but I have your valve A/B port feeding that cylinder set at 2000 psi ( I don't want that cylinder to exceed 2000 psi in that A/B port direction!!) my pump puts out 20 gpm (10 gpm less than your valves rating) will your valve crack open at (set) 2000 psi and handle that 20 gpm through the valves internal relief bypass passage over to the C/D port side of the valve which (in my case) would then go back to tank and not exceed set 2000 psi to that dead headed cylinder ?

A: The relief valves are rated for the full flow. They should be able to dump the 30 GPM over if needed.
Date Submitted: 06/04/2017

I understand this is rated at 30 gpm through the work ports A to B and C to D. My question is what about the internal relief bypass passages can they handle the 30 gpm ? In other words lets say oil is traveling through port A/B to a cylinder that dead heads... but for some reason I'm still holding the valve wide open not realizing I have dead headed the cylinder. My systems MRV is set at 3400 psi but I have your valve A/B port feeding that cylinder set at 2000 psi ( I don't want that cylinder to exceed 2000 psi in that A/B port direction!!) my pump puts out 20 gpm (10 gpm less than your valves rating) will your valve crack open at (set) 2000 psi and handle that 20 gpm through the valves internal relief bypass passage over to the C/D port side of the valve which (in my case) would then go back to tank and not exceed set 2000 psi to that dead headed cylinder ?

A: The relief valves are rated for the full flow. They should be able to dump the 30 GPM over if needed.
Date Submitted: 06/04/2017

Can the pressure be adjusted different for each hydraulic line if I wanted to limit the pressure on extend stroke of a cylinder and leave it maxed out up to 1500 PSI for the retract stroke.? Thanks.

A: Yes. The relief on both flow paths can be adjusted independently.
Date Submitted: 05/01/2017

I have a cushin Valve for two lines. how do i identify the WORK SIDE?

A: On this cushion valve, the supply lines are marked as ports A and C, while the work ports (to actuator) are marked B and D.
Date Submitted: 09/15/2016

How is 1/2 NPT 30 GPM 500-1500 PSI HYD CUSHION VALVE Item Number: 9-4019-50-L installed? The dimensional drawing did not help. Why 4 ports for two hoses? Must i buy xtra fittings. I want to stop transmission motor from receiving pulses caused by a control valve that does not crack smoothly.

A: This valve is designed to have the two work lines from the valve plumbed into one side, and continue those lines through the valve out to the actuator, for a total of four connections. If this in not how your actuator is plumbed or used, it may not be the best valve for your application. Please contact our Technical Support line for assistance if needed.
Date Submitted: 09/13/2016

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Price: $95.85
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