257-02038

The Siemens 257-02038 1/2 6yc71 pneumatic actuator valve is a versatile and reliable solution for automating various industrial processes. This actuator valve, manufactured by the renowned Siemens brand, is designed to provide efficient and accurate control of fluid or gas flow in pneumatic systems.

The actuator valve features a 1/2 inch (15mm) actuator size and a pneumatic 6-way, 3-position, normally closed valve body design. With this configuration, the valve can perform six different functions: normally closed, normally open, and four fail-safe positions. This makes it a popular choice for applications requiring multi-functionality and redundancy.

The valve body is constructed using high-quality materials, ensuring durability and resistance to wear and tear. The valve's internal components are made of brass, a material known for its excellent corrosion resistance and dimensional stability. The diaphragm is made of an elastomer material, offering excellent sealing properties and flexibility.

The 6yc71 actuator is equipped with a spring return mechanism that ensures the valve returns to its normal position when the air supply is disconnected. This feature eliminates the need for external mechanisms to maintain the valve in its closed position, simplifying system design and reducing maintenance requirements.

The actuator is also designed with a pneumatic connection size of NPT (National Pipe Thread) 1/2 inch (15mm) x 27. This standardized connection size makes it easy to integrate with various pneumatic systems and components.

The Siemens 257-02038 1/2 6yc71 pneumatic actuator valve is suitable for operating temperatures ranging from -40 F to 212 F (-40 C to 100 C), making it suitable for a wide range of industrial applications. The valve is CE compliant and meets the requirements of various international standards, ensuring its reliability and safety in various applications.

In summary, the Siemens 257-02038 1/2 6yc71 pneumatic actuator valve is a high-performance and versatile component designed for industrial automation. Its robust construction, reliable operation, and multi-functional design make it an excellent choice for a wide range of applications, from simple on-off control to complex process control systems.

Siemens 257-02038 1/2 6yc71 is a pneumatic actuator valve manufactured by Siemens. This actuator valve comes with certain advantages and disadvantages, which are essential to consider before making a purchase.

1. High-quality and reliable: Siemens is a well-known brand in the industrial automation sector, ensuring that the actuator valve is of high quality and built to last.

2. Versatile: The Siemens 257-02038 1/2 6yc71 actuator valve is suitable for various applications, including water, air, and gas, making it a versatile choice.

3. Durable: Made with robust materials, the actuator valve can withstand harsh operating conditions, ensuring long-term reliability.

4. Easy installation: The valve comes with a user-friendly design, allowing for easy installation and maintenance.

1. Higher cost: Compared to some other brands and models, the Siemens 257-02038 1/2 6yc71 actuator valve may have a higher price tag due to its high-quality construction and reputation.

2. Limited size options: The actuator valve is only available in a specific size, which may not be suitable for all applications.

3. Requires regular maintenance: Like any other pneumatic component, the actuator valve requires regular maintenance to ensure optimal performance and longevity.

The Siemens 257-02038 1/2 6yc71 pneumatic actuator valve is a reliable and versatile choice for various industrial applications. Its high-quality construction, durability, and user-friendly design make it a worthwhile investment. However, its higher cost and limited size options may be a drawback for some users. Ultimately, the decision to purchase this actuator valve depends on the specific requirements of the application and the user's budget.

If the application demands a high-performance, reliable, and versatile pneumatic actuator valve, and the budget allows for it, the Siemens 257-02038 1/2 6yc71 is a solid recommendation. For users with limited budgets or specific size requirements, it is advisable to explore other options in the market.

Details:

Priced to sell and free shipping. New old stock.

specifications maxohvac:

• brand: Siemens
• mpn: 257-02038
• part type: Actuator Valve

offer maxohvac:

• options: ship-to-home
• availability: in stock
• in stock #: 5
• best offers: true
• prices: $24.95–$207.00
• item condition:
  • Open box
  • New
  • New – Open box
• started: january 12, 2026
• sold #: 12

shipping maxohvac:

• class: standard
• service: usps ground advantage
• carrier: usps
• transit: 3-9 days
• type: calculated

general maxohvac:

• category: Business & Industrial > Hvac Refrigeration

returns maxohvac:

• method: money back
• paid by: buyer
• policy: returns accepted
• time: 14 days

payments maxohvac:

• wallet: google-pay
• credit card: diners-club
• other

seller maxohvac:

• city: yakima, washington
• # reviews: 5127
• rating: 99.2%

Also Viewed:

• 332-2856: ACTUATOR HVAC CONTROL VALVE SYSTEM, Siemens
• 533-377-18: SENSOR PROBE, Powers Siemens Bldg Tech
• 299-03205: VALVE ACTUATOR, Siemens
• 545-113: SHORT MOUNT, Siemens
• SKD82-51U: VALVE ACTUATOR, Siemens
• 599-01050: ACTUATOR VALVE, Siemens
• GBB131.1P: AIR ACTUATOR, Siemens
• 338-001: ACTUATOR, Landis Gyr
• 274-03021: VALVE, Siemens
• 599-03202: VALVE, Siemens Building Technology
• SSA61U: VALVE ACTUATOR, Siemens