42-5-50 LEYBOLD-HERAEUS Pressure Switch

Review LEYBOLD-HERAEUS 42/5-50 Sm Vintage Pressure Switch

The Leybold-Heraeus 42/5-50 SM Pressure Switch 2RE4-2 is a high-performance pneumatic pressure switch designed for use in various industrial applications. This switch is manufactured by Leybold-Heraeus, a renowned name in the field of vacuum technology and process automation.

The 42/5-50 SM Pressure Switch 2RE4-2 features a compact and robust design, making it ideal for installation in confined spaces. Its small size, 42mm in diameter and 50mm in height, allows it to blend seamlessly into any industrial setup. The switch has a maximum operating pressure of 10 bar (145 psi), making it suitable for handling moderate to high-pressure applications.

The Leybold-Heraeus 42/5-50 SM Pressure Switch 2RE4-2 is a two-position switch, meaning it has two distinct states: normally open (NO) and normally closed (NC). In the NO position, the switch is open when the pressure falls below the setpoint, allowing the flow to pass through. In contrast, in the NC position, the switch is closed when the pressure falls below the setpoint, preventing the flow from passing through.

This pressure switch is equipped with a diaphragm actuator, which ensures reliable and precise pressure sensing. The diaphragm is made of a robust material, such as stainless steel, ensuring long-lasting performance even in harsh environments. The switch also comes with a large adjustment range of 0.1 to 10 bar (0.145 to 145 psi), allowing users to customize the switch to their specific application requirements.

The Leybold-Heraeus 42/5-50 SM Pressure Switch 2RE4-2 is easy to install and maintain. It comes with a clear and concise pressure setting indicator, making it simple to adjust the setpoint. The switch also features a quick-disconnect connection for easy maintenance and replacement of the diaphragm.

The switch is constructed of high-quality materials, such as brass and stainless steel, ensuring durability and resistance to corrosion. Its rugged design makes it suitable for use in demanding industrial applications, including those in the chemical, pharmaceutical, and food processing industries.

In summary, the Leybold-Heraeus 42/5-50 SM Pressure Switch 2RE4-2 is a versatile and reliable pressure switch that offers precision, durability, and ease of use. Its small size, robust design, and wide adjustment range make it an excellent choice for a range of industrial applications where precise pressure control is essential.

The Leybold-Heraeus 42/5-50 SM pressure switch 2RE4-2 is a pneumatic pressure switch designed for use in various industrial applications. This device is used to automatically switch on or off a system based on the pressure level. Here are some potential pros and cons of purchasing this pressure switch.

1. Reliability: Leybold-Heraeus is a reputable manufacturer known for producing high-quality measurement and control devices. The 42/5-50 SM pressure switch is expected to be durable and long-lasting.

2. Versatility: This pressure switch is suitable for a wide range of applications due to its adjustable pressure setting, which can be set between 5 and 50 bar.

3. Easy installation: The pressure switch comes with a simple and intuitive design, making it easy to install and operate.

4. Safety: The pressure switch helps ensure the safety of industrial processes by automatically shutting off the system when the pressure level exceeds the set limit.

1. Cost: The Leybold-Heraeus 42/5-50 SM pressure switch 2RE4-2 is a premium product and may be more expensive than some other pressure switches on the market.

2. Limited pressure range: While the adjustable pressure setting is a pro, the pressure range may not be suitable for all applications. For example, if you need a pressure switch for a system that operates at extremely high or low pressure levels, this may not be the best option.

3. Maintenance: Like any other industrial equipment, the pressure switch will require regular maintenance to ensure optimal performance. This may include calibration, cleaning, and replacement of wearable parts.

In conclusion, the Leybold-Heraeus 42/5-50 SM pressure switch 2RE4-2 is a reliable and versatile device that can help ensure the safety and efficiency of industrial processes. However, its premium price tag and limited pressure range may be drawbacks for some users. Ultimately, the decision to purchase this pressure switch will depend on the specific requirements of your application and your budget. If you need a high-quality pressure switch for a moderate pressure range, this may be an excellent choice. However, if you require a device with a wider pressure range or a lower budget, you may want to consider other options.

Details:

The box or item might show signs of wear due to shelf wear, etc. This item may or not be in original packaging. Technical based on available specifications from equipment suppliers like Wm and, the device features: pressure range: 5 to 50 mbar. Condition: new, old stock in oem packaging.

An item in excellent condition with no functional defects. We power items up if applicable and test for basic functionality. Please refer to the pictures for a clear view of item. Applications: commonly used in vacuum measurement and control setups involving rotary vane pumps or other high-performance systems.

Material: often constructed with a brass valve or body. The is a vintage pressure switch, often referred to as Merriam . Context of use while Leybold-heraeus is well-known for its turbo vac 50 pumps a multi-stage oil-sealed rotary pump with a pumping speed roughly , the sm 42/5-50 specifically refers to pressure switch component rather than itself. It is primarily designed for monitoring and controlling vacuum levels within specific industrial laboratory systems.

Item ships as shining the photo, the sm 42/5-50 specifically refers to the pressure switch component rather than pump itself. Function: it acts as a mechanical switch that triggers based on the pressure within its set range, used to automate operation of vacuum pumps or sound alarms in case fluctuations. Out of his original package.

specifications passivecompos:

• brand: Leybold-heraeus
• mpn: 42/5-50
• mounting style: Flange-mount
• termination style: Screw Terminals
• material: Aluminum, Corrosion-resistant Metals And Durable Elastomers, Stainless Steel
• number of turns: 5 To 50 Mbar Range.
• minimum operating temperature: 0 C
• series: Sm 42 Series
• type: Diaphragm Pressure Switch
• tolerance rating: 2 To 5 Mbar
• maximum operating temperature: 85 C
• duty cycle: 100
• country of origin: Germany

shipping passivecompos:

• carrier: usps
• transit: 3-7 days
• class: standard
• type: calculated
• service: usps ground advantage

offer passivecompos:

• sold #: 8
• availability: in stock
• options: ship-to-home
• prices: $48.99–$267.05
• item condition:
  • New – Open box
  • Used
• in stock #: 4
• best offers: true
• started: march 16, 2026

payments passivecompos:

• other
• wallet: paypal
• credit card: diners-club

seller passivecompos:

• rating: 100.0%
• city: plainfield, illinois
• # reviews: 546

general passivecompos:

• category: Business & Industrial > Passive Components > Variable Resistors > Potentiometers

returns passivecompos:

• policy: no returns