Product Overview

The Danfoss MBS 3050 heavy-duty compact pressure transmitter addresses the most punishing hydraulic challenges, specifically designed to withstand severe medium influences like cavitation, liquid hammer, and high-pressure peaks. In complex hydraulic power units or mobile machinery, rapid valve transitions often trigger intense pressure pulses that shatter standard sensors; the MBS 3050 prevents this failure through its integrated pulse snubber. This specialized internal dampening mechanism filters out destructive spikes before they reach the sensitive piezo-resistive sensing element. By neutralizing these transients, the MBS 3050 ensures continuous, accurate pressure feedback in high-vibration environments and aggressive fluid power systems. This transmitter provides the mechanical resilience required for long-term operational stability in demanding B2B industrial applications, significantly reducing the risk of fatigue-induced sensor failure.

Core Technical Advantages

Integrated Pulse Snubber Technology

The MBS 3050 hardware features a built-in pulse snubber positioned directly behind the pressure connection. This mechanical dampener acts as a high-performance filter for the medium, effectively neutralizing pressure peaks and liquid hammer. This protection ensures the transmitter remains operational in systems where rapid valve closures or pump start-ups create hydraulic shockwaves that would otherwise cause zero-point drift or diaphragm rupture.

Exceptional Cavitation Resistance

Liquids moving at high velocities in hydraulic systems often create localized vacuum bubbles that collapse violently—a phenomenon known as cavitation. The MBS 3050 incorporates a robust internal architecture that resists the erosive forces of collapsing bubbles. This engineering choice safeguards the sensing diaphragm, maintaining signal integrity and accuracy even in poorly lubricated or aerated hydraulic circuits.

Industrial-Grade Stability and EMI Protection

Equipped with advanced piezo-resistive technology and laser-calibrated electronics, the MBS 3050 offers superior long-term stability. The 4-20mA output signal remains immune to the electromagnetic interference generated by large electric motors and solenoid valves. The laser-welded stainless steel housing provides a hermetic seal, protecting the internal logic from moisture ingress and aggressive industrial fluids.

Technical Specifications

Engineering Installation Guide

Mechanical Integration and Sealing

When mounting the MBS 3050 into high-pressure hydraulic manifolds, utilize the 27 mm hexagonal base for all torque applications. Tighten the G 1/4 A thread to the standard torque of 30-35 Nm. Ensure the sealing face is clean and utilize a bonded seal or copper washer to prevent leaks; the integrated snubber requires a clear fluid path, so do not use excessive thread sealant tape that could migrate into the dampening orifice.

Electrical Configuration

The transmitter utilizes a standard two-wire 4-20mA loop. Connect the supply voltage (9-32V DC) to Terminal 1 and the signal return to Terminal 2 of the DIN 43650-A plug. We recommend using shielded twisted-pair cabling for all installations near high-frequency noise sources to maintain the ±0.5% accuracy rating throughout the entire signal path.

Pulse Management Strategies

While the MBS 3050 includes an internal snubber, we recommend installing the transmitter at the end of a short dampening pipe or using a "U" bend if the system experiences extreme temperature fluctuations alongside pressure spikes. This configuration provides a secondary thermal and mechanical buffer, further extending the service life of the laser-welded sensing element.

Engineering Advantages

The MBS 3050 excels in "High-Pulse" environments where standard transmitters fail within weeks. Its 316L stainless steel wetted parts provide excellent chemical compatibility, while the lack of internal O-rings eliminates a common leak point. By consolidating dampening and sensing into a single compact 28mm housing, the MBS 3050 reduces the mechanical footprint of your control system, allowing for simplified manifold designs. The transmitter’s ability to survive up to 6x overload pressure (depending on the range) provides an essential safety margin for hydraulic systems that operate near the upper limits of their design. Choosing the MBS 3050 ensures that your facility maintains maximum uptime by eliminating the most common cause of pressure sensor failure in fluid power applications.

Delivery & Logistics

Delivery time: 3-5 days when payment finish.

Shipping Carriers: BY DHL/FEDEX/UPS.

Packaging: Every unit is shipped in original factory-sealed boxes with moisture-barrier protection. We utilize high-density anti-static foam to ensure the precision-calibrated MBS 3050 reaches your facility without mechanical or electrical compromise.

Technical FAQs

Q1: What is the main difference between the MBS 3000 and MBS 3050?

A1: The MBS 3050 includes an integrated mechanical pulse snubber in the pressure port, whereas the MBS 3000 does not. Use the 3050 for any application involving hydraulic pumps or fast-acting valves.

Q2: Does the pulse snubber slow down the response time of the sensor?

A2: The pulse snubber is engineered to dampen high-frequency destructive peaks while maintaining a response time suitable for industrial control loops (typically < 4ms), ensuring your PLC still receives real-time data.

Q3: Can the snubber become clogged with dirty hydraulic oil?

A3: The snubber is designed for standard industrial fluids. However, if the hydraulic oil contains high levels of large particulates, we recommend upstream filtration to prevent the dampening orifice from becoming restricted.

Q4: Is the MBS 3050 suitable for water-hammer applications?

A4: Yes. The "Forced-Dampening" design is specifically built to absorb the energy of water-hammer events, protecting the piezo-resistive element from the instantaneous overpressure that usually causes sensor rupture.