Bosch Rexroth 5610102050 Pressure Regulator

Technical Dossier

Product Details And Specifications

Bosch Rexroth 5610102050 Series: Comprehensive Module Range and Technical Overview

The Bosch Rexroth 5610102050 is a pneumatic pressure regulator belonging to Rexroth's industrial pneumatics portfolio, widely deployed across heavy-process industries including petrochemical refineries, offshore platforms, nuclear auxiliary systems, and continuous-process chemical plants. Rexroth pneumatic regulators in this series are engineered to maintain stable downstream pressure regardless of upstream fluctuation or downstream demand variation — a critical requirement in process-critical automation loops. The 5610102050 specifically is a modular, panel-mount or manifold-compatible regulator designed for integration into Rexroth valve terminal assemblies and standalone pneumatic control circuits. Its compact form factor and standardized port geometry make it a direct fit for legacy Rexroth pneumatic islands still operating in facilities with 15–30 year equipment lifecycles.

The Evolution of Rexroth Pneumatic Regulator Architecture

Bosch Rexroth's pneumatic regulator lineage traces back to the Herion and Rexroth Mecman product families, which were consolidated under the Bosch Rexroth brand following the 2001 merger. Early-generation regulators in the 56xxx series used brass body construction with NBR seals, rated for standard industrial air at 0–10 bar. Mid-generation variants introduced aluminum alloy bodies, integrated pressure gauges, and push-in fitting compatibility aligned with Rexroth's QS and NPQM connector standards. The 5610102050 represents the mature-generation design: optimized for manifold stacking, compatible with Rexroth's D-sub and M12 electrical interfaces when used in combination with valve terminal assemblies, and rated for operating pressures typically in the 0.5–10 bar range with flow coefficients suited for medium-duty pneumatic actuator circuits. Compatibility considerations arise when integrating 5610102050 units into older Rexroth Mecman or Herion manifold blocks — port thread standards (G1/8, G1/4) must be verified against legacy manifold specifications. Modern replacement paths include Rexroth's current LR, LRB, and LFR series filter-regulator combinations, though direct form-fit-function equivalence requires engineering validation.

Rexroth 5610102050 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified Rexroth pneumatic regulator and related component part numbers within the 561xxxx and adjacent series. Each entry reflects a distinct functional variant:

5610102050: Pneumatic pressure regulator, modular, G1/8 port, 0.5–10 bar, panel/manifold mount
5610102010: Pressure regulator, compact body, G1/8, low-flow variant, 0.5–8 bar
5610102020: Pressure regulator with integrated pressure gauge, G1/8, 0–10 bar
5610102030: Regulator, relieving type, G1/8, for double-acting actuator circuits
5610102040: Regulator, non-relieving, G1/8, for single-acting spring-return circuits
5610102060: Pressure regulator, G1/4 port, medium-flow, 0.5–10 bar, manifold stack
5610102070: Regulator with tamper-proof locking ring, G1/4, for safety-critical circuits
5610102080: High-flow pressure regulator, G1/4, Cv 0.9, for large-bore actuators
5610200010: Filter-regulator combination unit, G1/8, 5 µm element, 0.5–10 bar
5610200020: Filter-regulator, G1/4, 40 µm element, with manual drain
5610200030: Filter-regulator-lubricator (FRL) unit, G1/4, modular assembly
5610300010: Pressure gauge, Ø40mm, 0–10 bar, G1/8 back connection, for 561x series
5610300020: Pressure gauge, Ø50mm, 0–16 bar, G1/4, glycerin-filled
5610400010: Mounting bracket kit, panel mount, for 5610102050 and 5610102060
5610400020: Manifold block, 4-station, G1/8, for 561x series regulator stacking
5610400030: Seal kit, NBR, for 5610102050 overhaul and preventive maintenance
5610500010: Soft-start/quick-exhaust valve, G1/4, compatible with 561x regulator outlets

Sourcing Hard-to-Find & Obsolete Rexroth 5610102050 Parts

The Rexroth 5610102050 and its adjacent 561x series variants are in the mature-to-declining phase of their product lifecycle. Bosch Rexroth has progressively migrated its pneumatics catalog toward the LR, LRB, LFR, and MS series product families. As a result, 5610102050 units and associated manifold blocks, seal kits, and gauge assemblies are no longer stocked through standard distribution channels in many regions. DriveKNMS maintains a dedicated inventory of new-old-stock (NOS), reconditioned, and functionally tested 5610102050 regulators and compatible accessories sourced through authorized surplus channels and direct OEM relationships. For facilities operating Rexroth pneumatic islands with 10+ year service histories, DriveKNMS provides lifecycle extension support including: cross-reference validation to confirm form-fit-function equivalence, seal kit supply for in-field overhaul, and drop-in replacement sourcing where the original part number is no longer manufacturable. All units are supplied with traceability documentation suitable for regulated industries.

Quality Control for the Rexroth 5610102050 Range

Each Rexroth 5610102050 regulator processed through DriveKNMS undergoes a structured functional verification protocol prior to dispatch. Testing covers: inlet pressure sweep from 0.5 to 12 bar to verify set-point accuracy and hysteresis within OEM specification; downstream pressure stability test under simulated load cycling to confirm diaphragm and spring integrity; leak-down test at 1.5× rated pressure using calibrated nitrogen supply; port thread inspection to G1/8 or G1/4 standard using calibrated thread gauges; and visual inspection of body, adjustment knob, locking ring, and gauge port for mechanical damage or corrosion. For units supplied with integrated pressure gauges, gauge accuracy is verified against a traceable reference standard. Reconditioned units receive new NBR seal kits (part 5610400030) and are re-tested to the same protocol as new stock. Test records are retained and available upon request for quality-audited procurement processes.