134RX138S

The United Refrigeration 134RX138S Rotolock Female Thread Shut-Off Valve is a versatile and reliable solution for controlling the flow of refrigerant or other gases in various industrial and commercial applications. This valve, manufactured by United Refrigeration, a leading name in refrigeration components, is designed with robust materials and advanced engineering to ensure long-lasting performance and leak-free operation.

The 134RX138S Rotolock Valve features a compact, tubular body with a female threaded connection. Its Rotolock design provides easy, one-handed operation, allowing users to open or close the valve with minimal effort. The valve operates using a 90-degree, full-flow, ball-and-seat mechanism, which ensures a tight shut-off and maintains the desired pressure in the system.

This valve is specifically engineered for use with refrigerants such as R134A and R134A/R1234yf blends. It is constructed from high-quality materials, including brass body and stainless steel stem and disc, which offer excellent corrosion resistance and durability. The valve also boasts a PTFE seat material, ensuring a long-lasting, leak-free seal and minimal wear.

The United Refrigeration 134RX138S Rotolock Female Thread Shut-Off Valve operates smoothly over a wide temperature range (-40 F to 257 F), making it suitable for various applications in refrigeration, air conditioning, and other industrial processes. It is also equipped with an integral strainer, which helps prevent impurities and contaminants from entering the system and causing damage.

In summary, the United Refrigeration 134RX138S Rotolock Female Thread Shut-Off Valve is a high-performance, reliable, and easy-to-use component for controlling the flow of refrigerants and other gases. Its robust design, versatile application capabilities, and leak-free operation make it an excellent investment for any industrial or commercial refrigeration system.

The United Refrigeration 134RX138S Rotolock Female Thread Shut-Off Valve is a popular choice for those in need of a reliable and efficient refrigeration valve. Here are some pros and cons to consider before making a purchase:

1. Leak-Free Performance: The Rotolock design provides a leak-free connection, ensuring that refrigerant stays contained and preventing potential damage to your system.

2. Easy Installation: The valve is designed for easy installation, making it a convenient choice for DIY projects or maintenance tasks.

3. Durable Construction: The valve is made from high-quality materials, including brass and stainless steel, making it resistant to corrosion and wear.

4. Versatile Application: The 134RX138S valve is suitable for use with various refrigerants, including R134a and R134a/R1234yf blend.

5. Cost-Effective: Compared to other shut-off valve options, the United Refrigeration 134RX138S valve is relatively affordable, making it a cost-effective choice for many applications.

1. Limited Flow Rate: The valve may not be suitable for applications that require a high flow rate, as it has a relatively low flow capacity.

2. Potential Compatibility Issues: While the valve is suitable for use with various refrigerants, it may not be compatible with all systems. Be sure to check the specifications of your system before making a purchase.

3. Limited Size Options: The valve is only available in certain sizes, so it may not be the best choice for applications that require a specific valve size.

In conclusion, the United Refrigeration 134RX138S Rotolock Female Thread Shut-Off Valve is a reliable and cost-effective choice for those in need of a leak-free and easy-to-install refrigeration valve. However, it may not be suitable for applications that require a high flow rate or a specific valve size. If you are unsure about the compatibility of this valve with your system, be sure to consult with a refrigeration professional before making a purchase.

Overall recommendation: If you are looking for a leak-free and easy-to-install shut-off valve for your refrigeration system and are not concerned with high flow rates or specific valve sizes, the United Refrigeration 134RX138S Rotolock Female Thread Shut-Off Valve is a great option to consider. Its durable construction, versatile application, and cost-effective pricing make it a popular choice among refrigeration professionals and DIY enthusiasts alike.

Details:

Uris part number vendor height in. Brand new in box. Generic valve. Shut off valve, sweat x rotolock, 90, 1-3/8 ids, 1-3/4-12 rotolock.

specifications maxohvac:

• brand: United Refrigeration
• mpn: 134rx138s
• part type: Valve
• custom bundle: No
• item condition: New Other
• unit type: Unit
• country of origin: United States

seller maxohvac:

• city: andover, minnesota
• # reviews: 507
• rating: 100.0%

offer maxohvac:

• best offers: true
• in stock #: 2
• availability: in stock
• options: ship-to-home
• started: april 10, 2026
• sold #: 9
• prices: $62.99–$74.99
• item condition:
  • New
  • New – Open box

payments maxohvac:

• other
• credit card: discover
• wallet: google-pay

shipping maxohvac:

• carrier: usps, ups
• transit: 5-10 days
• class: standard, economy
• service: usps ground advantage, ups ground saver
• type: calculated

general maxohvac:

• category: Business & Industrial > Hvac Refrigeration

returns maxohvac:

• time: 30 days
• paid by: buyer
• method: money back
• policy: returns accepted

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