Hydraulic Pilot Operated - Switching Isolator Valve - Check Valve (Bosch - Rexroth) , Without Drain Connection - Type SV. - Nominal Size NS15. - Qmax. = approx. 350 L/min. - Pmax. = 315 bar. - (B)- Without Pre-Opening.

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Hydraulic Pilot Operated - Switching Isolator Valve - Check Valve (Bosch - Rexroth) , Without Drain Connection - Type SV. - Nominal Size NS15. - Qmax. = approx. 350 L/min. - Pmax. = 315 bar. - (B)- Without Pre-Opening.
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SV_15_GB1-4X-
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Modified on: August 24,2026  
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Specifications
Supplier part number: SV_15_GB1-4X-
Name:Hydraulic Pilot Operated - Switching Isolator Valve - Check Valve (Bosch - Rexroth) , Without Drain Connection - Type SV. - Nominal Size NS15. - Qmax. = approx. 350 L/min. - Pmax. = 315 bar. - (B)- Without Pre-Opening.
Description:For the Bosch Rexroth SV pilot-operated check valve with the specified parameters—nominal size 15 (NS15), 350 L/min max flow, 315 bar max pressure, and without pre-opening (B)—I have confirmed the following technical details. ✅ Valve Configuration Confirmed The model you are looking for is identified by the "B" in the type code, which indicates the version without pre-opening. This is a standard variant within the SV15 series . Parameter Specification Type SV (Pilot oil return internal / Without drain connection) Nominal Size 15 (NS15 / NG16) Maximum Operating Pressure 315 bar Maximum Flow 350 L/min (The valve series max is up to 550 L/min; your specified 350 L/min is within its capacity) Pre-Opening No (B): Without pre-opening; the pressurized volume may be unloaded suddenly, leading to switching shocks . 📌 Understanding the Ordering Code The valve's complete specifications are encoded in its model number. Based on your requirements, the code would follow the structure SV 15 G B 1-4X/... or SV 15 P B 1-4X/... . The breakdown of this code is as follows: SV: Type (pilot-operated check valve with internal pilot oil return, no drain connection) . 15: Nominal size (NS15) . G or P: Mounting style (G = Threaded connection, P = Subplate mounting) . B: Version without pre-opening (as specified) . 1: Cracking pressure (standard is 2.5 bar for this size; other options available) . 4X: Component series 40 to 49 (installation and connection dimensions remain unchanged within this series) .
    
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