SV SL υδραυλικό έλεγχος ταχύτητα βαλβίδα

Rexroth type SV SL Hydraulic Pilot Operated Check Valve are for subplate mounting. lt is used for the leak-free blocking of one actuator port, also in case of longer standstill times. The valve basically consists of a housing (1), a seat poppet (2), a compression spring (3), a control spool (4) as well as of a pre-opening as ball seat valve (7), which is optional. The seat valve can be flown through from A to B without external pilot pressure. Condition: PA> PB+ cracking pressure (compression spring). In the opposite direction, the seat valve closes hydraulically tight. A sufficiently high pilot pressure at port X moves the control spool (4) in the direction of the seat valve and pushes the seat poppet (2) out of its seat. This allows for a free flow in both directions (active keeping open). In order to ensure that the seat valve actively opens, the pressure conditions on both sides of the control spool (4) are just as important as the area ratio at the seat poppet (2) or (7). This results in the following available options for the types- SV (large spool face A2(6) connected with PA) or - SL (small front face A4(8) connected with PA) as well as for the versions with pre-opening "A" and without pre-opening "B". Version "A" (with pre-opening) This valve is provided with an additional pre-opening.By pressurization at the X port, the control spool (4) is moved to the right. As a result, the ball (7) is pushed off the seat first and the seat poppet (2) afterwards.

R900483370 SL10GA1-4X/ R900448378 SL10GA1-4X//12
R900429093 SL10GA1-4X//5 R900457618 SL10GA1-4X/J
R983052991 SL10GA1-4X/VIN010 R900062179 SL10GA1-4X/V/12
R900450776 SL10GA2-4X/ R900521462 SL10GA2-4X//12
R900502670 SL10GA2-4X/V R901363026 SL10GA2-4X=
R900454520 SL10GA3-4X/ R900591065 SL10GA3-4X/V
R900445826 SL10GA4-4X/ R900718605 SL10GA4-4X/V
R983065084 SL10GA4–4X/VIN010 R900451135 SL10GB1-4X/
R900507043 SL10GB1-4X//12 R900220757 SL10GB1-4X//5
R900580052 SL10GB1-4X/V
R900582730 SL10GB1-4X/V/12
R900474395 SL10GB2-4X/
R900511048 SL10GB2-4X/J
R900473900 SL10GB2-4X/V
R900447726 SL10GB3-4X/
R900520846 SL10GB3-4X/J
R901426808 SL10GB3-4X/QMG24
R900522041 SL10GB3-4X/V
R900536395 SL10GB4-4X/
R900550802 SL10GB4-4X/V/12
R900483371 SL10PA1-4X/
R988002099 SL10PA1-4X/
R988004505 SL10PA1-4X/
R900425616 SL10PA1-4X/J
R901430218 SL10PA1-4X/J3

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