Product Name: | Rexroth Check Valve |
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Transport Package: | Carton Packing/ Wood Box |
Specification: | 80-500 |
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SV and SL type hydraulic control check valves are seat valves, opened by hydraulic pressure, can give reverse flow.
This valve is used to isolate the local pressure loop, both as a protection against load landing in the event of pipe rupture and to prevent crawling under load. The hydraulic control check valve mainly includes a valve body, a main valve, a pilot valve, a compression spring and a control piston.
SV type valve (no oil outlet) one leakage oil internal return oil
It can always flow from mouth A to mouth B. The pilot and main valves are held against the seat by compression springs and system pressure. If port X supplies pressure oil, the control piston is pushed to the right.
This first opens the pilot valve, then the main valve. So the oil goes first through the pilot valve and then through the main
Pilot valve. In order to ensure the reliable operation of the control piston, a certain minimum control pressure is required.
SL valve (with oil drain port)- A - leakage oil external return oil
In principle, this valve has the same function as the SV type. The difference is that the oil drain port Y is added, which makes the control active ring area isolated from port A. The oil pressure from port A only acts on the control piston area A4, thus effectively reducing the required control pressure under this condition.
Quantity(pieces) | 1 - 2 | >2 |
Lead time (days) | 5 | To be negotiated |
FAQ
Q:What Is Our Main Application?
A:1.Hydraulic system
2.Agriculture machine
3.Construction machina
4.Automobile
5.Local distributors
Q:What Is The Payment Terms?
A:Full order:30% as desposit, the balance before shipment:
Small order /sample ordre: full payment in advance:
Q:Can I Mark My Own Brand On The Pump?
A:Yes. Full order can mark your brand and code.
Q:What Is Our Main Export Market?
A:Europe (41.7%):Italy,Germany,England,France,Holland,Greece,Spain,Portugal,Swissland,Finland,Czekh,Russia,Poland
Asia(40.5%):China,Korea,Singapore,India,Turkey,Iran,Vietnam,Saudi Arabia,Syria,Isreal,Lebanon
Q:How Long Is Guarantee?
A:We give 1 year guarantee.