I highly recommend that you stay clear of the check valve in your suction line, if you are using a hydraulic pump. I did not see a cracking pressure for this check valve, but chances are high that it is around 5psi (5psi is pretty common) which means it will create a vacuum of ~10inHg. If your pump is a hydraulic pump, this is a disaster waiting to happen. You always want to keep pump inlet vacuum to a bare minimum, because if the vacuum gets too high you will cavitate your pump and that is a sure death sentence for it. If you need a check valve to keep an oil column in your suction line, you are probably dangerously close to cavitating the pump already.
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Metro Machine Check Valve, 1/2in. Port, 3,000 PSI, Model# FC-50

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Description
Key Specs
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Product Summary
Key Specs
| Attribute | Specification |
|---|---|
item# | 2038 |
Brand | Metro |
Manufacturer's Warranty | 1 year limited warranty |
Ship Weight | 1.02 LB |
| Attribute | Specification |
|---|---|
Working Port | 1/2 in |
Max. PSI | 3,000 |
Accessory Type | Model# Fc-50 |
Reviews
Questions & Answers
Questions
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· 15 years ago
does this check valve have a spring? would i be able to use this valve on the suction side of a pump?
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husqdks· 15 years ago
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ProductExpert27· 15 years ago
The check valve does have an internal spring. They can be mounted in any position and will allow free flow in one direction and checked flow in the opposite direction.
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· 2 months ago
Do I need 2 of these for a 2 way cylinder
1 answer-
ProductExpert11· 2 months ago
Two check valves are needed for a double acting cylinder if you are needing the cylinder to hold in either direction or for speed control.
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Anonymous· 3 years ago
Will this check valve work for air
1 answer-
ProductExpert11· 3 years ago
The check valve is not recommended to be used for air.
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· 5 years ago
Will this work with gasoline?
1 answer-
ProductExpert10· 5 years ago
This model can be used for hydraulic applications. It is not rated for use with gasoline.
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· 5 years ago
can I use this valve with water pressure?
1 answer-
ProductExpert37· 5 years ago
The check valve has a maximum pressure of 3000 PSI and a maximum flow of 15-20 GPM. This can be used with water pressure.
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· 8 years ago
What is the cracking pressure of this valve?
1 answer-
ProductExpert12· 8 years ago
This check valve has a cracking pressure of 5 PSI.
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· 10 years ago
are both outlets 1/2 npt.
using these on an air ride system and need 1/2 npt female to 1/2 npt male..looks like it is in the picture so Im just checking....
1 answer-
ProductExpert31· 10 years ago
This Metro Machine Check Valve will allow a direction of flow from the 1/2" npt male port out to the 1/2" npt female port. This valve is not offer in a reverse flow, female port to male port.
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· 12 years ago
What is flow thur this valve.
1 answer-
ProductExpert6· 12 years ago
The check valve has a maximum pressure of 3000 PSI and a maximum flow of 15-20 GPM.
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· 13 years ago
Is this valve offered in the same configuration with the opposite flow, and what is the overall length.
1 answer-
ProductExpert6· 13 years ago
This valve is not offered with opposite flow. The length of the valve is 3".
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· 16 years ago
What temp. will they work.
Will this work with air 0-125 lbs per sq. Inch .
Temp. 0-1751 answer-
ProductExpert27· 16 years ago
Buyers Metro Machine Check Valve will work within a temperature range of -22 to 194 degrees fahrenheit and in pressures up to 3000 PSI.
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Warranty
Manufacturer's Warranty
1 year limited warranty
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Specifications
1/2 in
1/2 in
3-1/2 in
3,000
3,625
3,000
Model# Fc-50
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15
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4.3500 lb
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6.5 x 3.0 x 2.2 in
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