The Bosch Rexroth DR 10 K valve, configured with a lockable rotary knob with scale as the adjustment type, is specifically identified by the type code number 6 .This valve meets your core specifications (pilot-operated, cartridge valve, NS10) and is the correct choice for a setting that requires tamper-proof adjustment.Valve IdentificationThe specific adjustment type is part of the valve's ordering code. The type code structure for your configuration is as follows:DR: Pilot-operated pressure reducing valve 10: Nominal size 10 K: Cartridge valve (screw-in) for block installation 6: Adjustment element is a lockable rotary knob with scale 3X: Component series 30...39 (dimensions and connections are unchanged) /...YM: This placeholder includes the desired secondary pressure (e.g., 50, 100, 200, or 315 bar) and the seal material .Technical SpecificationsThe valve shares core specifications with the DR 10 K series, as confirmed by the technical data :Maximum Operating Pressure: 315 bar Maximum Flow: 100 L/min Pilot Oil Supply: Internal Pilot Oil Return: External (via port 3 / Y) Normal Position: Normally open

Switching Pressure Control Valves - Pressure Reducing Valve. - Pilot Operated (Cartridge Valve). - Nominal Size 10. - Type DR 10K.

For the Bosch Rexroth DR 10K pilot-operated pressure reducing valve, your specified "Rotary Knob With Scale" adjustment type is definitively identified as Adjustment Type 7.🔧 Valve Identification and SpecificationsThe order code structure for your valve is DR 10 K7-3X/...YM. The following table breaks down the key codes:Code Section Designation MeaningDR Valve Type Pilot-operated pressure reducing valve .10 Nominal Size Size 10 .K Design Screw-in cartridge valve .7 Adjustment Type Rotary knob with scale (your specific configuration) .3X Series Component series 30...39 ....YM Options Placeholder for pressure rating and seal material .⚙️ Technical Specifications (DR 10K Series)The following technical specifications are confirmed for this valve family:Maximum Operating Pressure: 315 barMaximum Flow Rate: 100 L/minPilot Oil Supply: InternalPilot Oil Return: ExternalDesign: Screw-in cartridge valve for block installation

For a Bosch Rexroth SV pilot-operated check valve with a nominal size of 15 (NS15) and the specified technical parameters of 350 L/min maximum flow and 315 bar maximum pressure, the available documentation confirms this is a standard product variant .✅ Confirmed Valve SpecificationsThe table below summarizes the key technical details:Parameter SpecificationType SV (Pilot oil return internal / Without drain connection) Nominal Size 15 (NS15 / NG16) Maximum Operating Pressure 315 bar Maximum Flow 550 L/min (Your specified 350 L/min is within the maximum capacity) Pre-Opening Yes (A): This version includes a pre-opening for dampened decompression, reducing switching shocks .Pilot Pressure Range 5 ... 315 bar Mounting Type Subplate mounting (P) or Threaded connection (G) Porting Pattern ISO 4401 and ISO 5781 standards 📌 Understanding the Ordering CodeThe valve's specifications are encoded in its model number. For your requirements, the code would follow the structure SV 15 P A 1-4X/... or SV 15 G A 1-4X/... .SV: Type (pilot-operated check valve with internal pilot oil return) .15: Nominal size (NS15 / NG16) .P or G: Mounting style (P = Subplate, G = Threaded connection) .A: Version with pre-opening (as specified) .1: Cracking pressure (standard 1.5 bar; other options available) .4X: Component series 40 to 49 (installation and connection dimensions remain unchanged within this series) .

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 ConfirmedThe 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 SpecificationType 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 CodeThe 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) .

For the Bosch Rexroth SV pilot-operated check valve (isolator valve) with your specified parameters—nominal size 20 (NS20), 350 L/min max flow, 315 bar max pressure, threaded connection (G), and with pre-opening (A)—the correct type code is SV 20 G A 1-4X/....Valve Configuration and Ordering CodeYour specifications translate directly into the Rexroth ordering code, which is structured as follows :Parameter Code MeaningType SV Pilot-operated check valve with internal pilot oil return (no drain connection) Size 20 Nominal size 20 (NG20) Connection G Threaded connection according to ISO 228-1 Pre-opening A Version with pre-opening for dampened decompression Cracking Pressure 1, 2, 3, or 4 Code 1 (standard) to 4 for other cracking pressures Component Series 4X Component series 40 to 49 (dimensions remain unchanged) A complete ordering code for your configuration would follow this pattern: SV 20 G A 1-4X/... or SV 20 G A 2-4X/..., depending on the desired cracking pressure. The search results show that a valve with a 5.0 bar cracking pressure is designated by code 2 , while a model with the "A" (with pre-opening) and "G" (threaded connection) designation is listed as the SV20GA1-4X and SV20GA4-4X variants.Technical Specifications for NS20The NS20 (NG20) valve series from Bosch Rexroth supports your required parameters:Maximum Operating Pressure: 315 bar Maximum Flow: The valve series supports up to 550 L/min; your specified 350 L/min is well within its capacity . Product listings confirm flow rates of 300 L/min and other sources note "maximum flow" is characterized by curves .Weight: Approx. 4.7 kg (subplate mounting) or 5.4 kg (threaded connection) .Function of the "A" Version (With Pre-Opening)The "A" version is the preferred choice for smoother system operation. When pilot pressure is applied at port X, the valve opens in two stages :First, a small ball poppet opens, pre-releasing the pressure.Then, the main p

The Bosch Rexroth SV 20 G B 1-4X/... valve matches your specified configuration: a pilot-operated check valve (isolator valve) without drain connection, nominal size 20 (NS20), threaded connection (G), and version without pre-opening (B).The technical specifications for this valve series are as follows:Parameter Specification Type SV (Pilot oil return internal / Without drain connection)Nominal Size 20 (NS20 / NG20)Maximum Operating Pressure 315 barMaximum Flow The series supports up to 550 L/min; your specified 350 L/min is within its capacity Pre-opening B – Without pre-openingConnection G – Threaded connection according to ISO 228-1🔧 Ordering Code BreakdownThe valve's specifications are encoded in its model number. An example of a full ordering code for your configuration is SV 20 G B 1-4X/... . The code is structured as follows :SV: Type (pilot-operated check valve with internal pilot oil return).20: Nominal size (NS20).G: Threaded connection.B: Version without pre-opening (as specified).1: Cracking pressure code (standard is 2.5 bar for this size; other options like 5, 7.5, or 10 bar are available via code 2, 3, or 4) .4X: Component series 40 to 49 (installation and connection dimensions remain unchanged) .Valves with the B version are documented under material numbers such as R978872250 and R900598553 .💡 Design Considerations for Version "B"The without pre-opening (B) version operates differently from its A counterpart . Choosing this variant has specific implications:Operation: When pilot pressure is applied at port X, the control spool moves and directly lifts the main seat poppet .Impact: The pressurized volume on the actuator side may be unloaded suddenly . This can lead to switching shocks and increased noise, which may cause premature wear on system components .Version B is suitable for applications where controlled decompression is not a critical requirement and a direct, rapid open

Based on the specifications you provided, a pilot-operated check valve matching your requirements is available within the Bosch Rexroth SV series. The "SV" type has internal pilot oil return, meaning it does not require a separate drain connection .Your specific configuration—a nominal size NS25 with subplate mounting (P) and pre-opening (A)—is identified as the SV 25 PA1-4X/ model .✅ Technical Specifications for SV 25 P A 1-4X/The key technical parameters that align with your request are:Maximum Operating Pressure: 315 bar .Maximum Flow: Up to 550 L/min. While your requirement is 350 L/min, the valve supports higher flow rates if needed .Pre-Opening: Yes. The "A" in the model code specifies the version with pre-opening . This feature provides a two-stage opening process. It first lifts a small ball poppet to dampen pressure surges, then opens the main poppet, avoiding switching shocks and noise .Mounting: P denotes subplate mounting .Porting Pattern: ISO 5781 standard .📋 Additional Technical DetailsParameter Specification for NS25 Subplate VersionCracking Pressure 2.5 bar (standard for code 1) Minimum Pilot Pressure 5 bar Pilot Volume (Port X) 19.27 cm³ Weight (approx.) 7.8 kg Hydraulic Fluid Mineral oils (HL, HLP) or biodegradable fluids (with appropriate seals) Cleanliness Class ISO 4406 (C) class 20/18/15 🔍 Understanding the Ordering CodeYour specifications translate into the Rexroth ordering code as follows :SV: Pilot-operated check valve with internal pilot oil return.25: Nominal size 25 (NS25).P: Subplate mounting.A: Version with pre-opening.1: Standard cracking pressure (2.5 bar).4X: Component series 40 to 49./: Placeholder for additional options like seal material (NBR or FKM) and corrosion resistance .

The Bosch Rexroth SV 25 P B 1-4X/ valve matches the specifications you provided: a pilot-operated check valve, nominal size 25 (NS25), subplate mounting (P), and the version without pre-opening (B).✅ Valve SpecificationsThe technical data confirms the following details for this configuration :Parameter SpecificationType SV (Pilot-operated check valve with internal pilot oil return) Nominal Size 25 (NS25) Maximum Operating Pressure 315 bar Maximum Flow Up to 550 l/min (your specified 350 l/min is within capacity) Mounting P – Subplate mounting Pre-opening B – Without pre-opening Porting Pattern ISO 5781 Cracking Pressure 2.5 bar (standard for code 1) 🔧 Ordering Code BreakdownYour specifications translate into the following ordering code, which follows the structure documented in the technical data sheet :SV: Pilot-operated check valve with internal pilot oil return.25: Nominal size 25.P: Subplate mounting.B: Version without pre-opening.1: Standard cracking pressure (2.5 bar; other cracking pressures are available with code 2, 3, or 4).4X: Component series 40 to 49./*: Placeholder for additional options like seal material.💡 Understanding the "B" Version (Without Pre-Opening)The key feature of this valve variant is that it lacks the two-stage decompression mechanism. In valves without pre-opening (Version B), the pressurized volume may be unloaded suddenly, leading to switching shocks, premature wear, and increased noise . This version is suitable for applications where controlled decompression is not a critical requirement.

The Bosch Rexroth SV 30 G A 1-4X/ valve matches your specifications: a pilot-operated check valve with a nominal size of NS30, threaded connection (G), and the version with pre-opening (A). The maximum flow for this valve size is up to 550 l/min, which exceeds your specified 350 l/min requirement .✅ Valve Specifications and Ordering CodeYour specifications translate directly into the Rexroth ordering code, which is structured as follows :Parameter Code MeaningType SV Pilot-operated check valve with internal pilot oil return (no drain connection) Size 30 Nominal size 30 (NS30/NG32) Connection G Threaded connection according to ISO 228-1 Pre-opening A Version with pre-opening for dampened decompression Cracking Pressure 1, 2, 3, or 4 Code 1 (2.5 bar standard) to 4 (10 bar max) Component Series 4X Component series 40 to 49 (dimensions remain unchanged) A complete ordering code for your configuration follows this pattern: SV 30 G A 1-4X/... .📊 Key Technical Specifications (NS30 / NG32)The technical data confirms the following details for this configuration :Parameter SpecificationMaximum Operating Pressure 315 barMaximum Flow Up to 550 l/min (your specified 350 l/min is well within capacity)Minimum Pilot Pressure 5 barCracking Pressure (Code 1) 2.5 bar (other options: 5, 7.5, 10 bar)Weight Approx. 10 kgPilot Volume (Port X) 19.27 cm³💡 Understanding the "A" Version (With Pre-Opening)The version with pre-opening offers distinct operational benefits :Operation: When pilot pressure is applied at port X, the control spool moves and first lifts a small ball poppet (pre-opening), followed by the main seat poppet.Benefits: This two-stage setup provides dampened decompression of the pressure volume on the actuator side, effectively avoiding switching shocks and reducing noise. It also ensures secure unloading even with low pilot pressure, preventing premature wear on system components .

The Bosch Rexroth SV 30 G B 1-4X/ valve matches your specified configuration: a pilot-operated check valve with a nominal size of NS30, a threaded connection (G), and the version without pre-opening (B).The technical data confirms this valve meets your requirements for a maximum operating pressure of 315 bar and a maximum flow rate of up to 550 l/min .✅ Valve Specifications and Ordering CodeYour specifications translate directly into the Rexroth ordering code, which is structured as follows :Parameter Code MeaningType SV Pilot-operated check valve with internal pilot oil return (no drain connection) Size 30 Nominal size 30 (NS30/NG32) Connection G Threaded connection according to ISO 228-1 Pre-opening B Version without pre-opening (as specified) Cracking Pressure 1 2.5 bar (standard; other options like 5, 7.5, or 10 bar are available with codes 2, 3, or 4) Component Series 4X Component series 40 to 49 (dimensions remain unchanged) A complete ordering code for your configuration follows this pattern: SV 30 G B 1-4X/.... Model variants like SV30GB1-4X/ are documented in product listings .📊 Key Technical Specifications (NS30 / NG32)The technical data confirms the following details for this configuration:Parameter SpecificationMaximum Operating Pressure 315 bar Maximum Flow Up to 550 l/min (your specified 350 l/min is well within capacity) Minimum Pilot Pressure 5 bar Cracking Pressure (Code 1) 2.5 bar Weight Approx. 10 kg Pilot Port X Thread G 1/4 Pilot Volume (port X) 19.27 cm³ 💡 Understanding the "B" Version (Without Pre-Opening)The version without pre-opening operates differently from its "A" counterpart, and this has specific implications for your system :Operation: When pilot pressure is applied at port X, the control spool moves and directly lifts the main seat poppet .Impact: The pressurized volume on the actuator side may be unloaded suddenly. This can lead to switching shocks and increased noise