Hydraulic Pilot Operated - Check Valve (Bosch - Rexroth) , Without Drain Connection - Type SV. - Nominal Size NS6. - Qmax. = approx. 60 L/min. - Pmax. = 315 bar. - 1.5 bar.

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Hydraulic Pilot Operated - Check Valve (Bosch - Rexroth) , Without Drain Connection - Type SV. - Nominal Size NS6. - Qmax. = approx. 60 L/min. - Pmax. = 315 bar. - 1.5 bar.
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WTF170KVS2401Eg
Part Number:
SV_6_PB1-6X-
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Modified on: August 24,2026  
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Specifications
Supplier part number: SV_6_PB1-6X-
Name:Hydraulic Pilot Operated - Check Valve (Bosch - Rexroth) , Without Drain Connection - Type SV. - Nominal Size NS6. - Qmax. = approx. 60 L/min. - Pmax. = 315 bar. - 1.5 bar.
Description:Based on the search results, the Bosch Rexroth SV pilot-operated check valve in size NS6 meets your specified parameters of 315 bar maximum pressure and 60 L/min flow. The "1.5 bar" you've listed is the standard cracking pressure. The SV type is the variant with internal pilot oil return, meaning it does not require a separate drain connection, matching your specification of "Without Drain Connection". 📊 Key Technical Specifications Parameter Value Maximum Operating Pressure 315 bar Maximum Flow 60 L/min Cracking Pressure (Standard) 1.5 bar Pilot Pressure (Min.) 5 bar Weight (approx.) 0.8 kg Porting Pattern ISO 4401-03-02-0-05 and ISO 5781-03-04-0-00 🔧 Understanding the Type Code The ordering code for this valve follows a specific structure: **SV 6 P B1-6X/** This code is broken down as follows: SV: Pilot-operated check valve with internal pilot oil return (no drain connection). 6: Nominal size 6 (NS6). P: For subplate mounting (according to the ISO porting pattern). B1: This specifies without pre-opening and with a cracking pressure of 1.5 bar. The cracking pressure can be selected as 1.5, 3, 6, or 10 bar. 6X: Component series 60 to 69 (installation and connection dimensions remain unchanged within this series). /*: Placeholders for optional features like seal material (NBR or FKM) and corrosion resistance. ⚙️ Design and Function These valves are designed for subplate mounting and serve to provide a leak-free blockage of one actuator port, even during long standstill periods. Fluid can flow freely from port A to port B without pilot pressure. When pilot pressure is applied to port X, the valve opens, allowing flow in both directions.
    
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