
A31484 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $9.99 | Condition is New – Open box, Pack of J/B Industries: A31484 Access Valve Half Union , shipping cost = $20.96 | 100.0% |
![]() | $13.00 | Condition is New – Open box, J/B INDUSTRIES A31484 (PKG OF 4) NSMP, shipping cost = $16.50 | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $12.50 | Condition is New, J/B INDUSTRIES A31484 TUBE CONNECTS - New. Old Stock 5pack 1/4MPT x 5/16 ODS, shipping cost = $5.97 | 100.0% |
![]() | $17.99 | Condition is New, J/B 1/4 INCH FLARE x MPT HALF UNION ACCESS A31484 NEW, C3 , FREE SHIPPING | ![]() |
![]() | $19.99 | Top Pick! Condition is New, NIB 5 Pack J/B Industries 1/4 MPT-5/16 OD Solder Acess Valve Union A31484, FREE SHIPPING | ![]() |
![]() | $14.50 | Condition is New, J/B 1/4 INCH FLARE x MPT HALF UNION ACCESS A31484 , shipping cost = $8.75 | 100.0% |

The J/B A31484 1/4 Inch Flare MPT Half Union Access C3 is a high-quality piping component designed for use in various industrial and commercial applications. This union is specifically engineered to provide easy access for maintenance and repair purposes, making it a valuable addition to any piping system.
The union is constructed of carbon steel and features a 1/4 inch flare connection on both ends. The Male Thread Pipe (MPT) design allows the union to be used with various pipe sizes and types. The half union configuration enables the connection of two pipes without the need for pipe disassembly, making it an efficient solution for maintenance and repair work.
The C3 finish of the union provides a corrosion-resistant coating, ensuring the longevity and durability of the component. The union is also ANSI/ASME B16.25 compliant, ensuring adherence to industry standards for piping components.
The J/B A31484 union includes a gasket made of compatible material, providing a tight seal between the connected pipes. The union's design allows for easy gasket replacement, ensuring the continued functionality of the component.
The union's access feature enables easy access to the piping system for maintenance and repair work. This feature is particularly useful in applications where the piping system is difficult to access or where frequent maintenance is required.
The J/B A31484 1/4 Inch Flare MPT Half Union Access C3 is a versatile and reliable piping component that provides ease of maintenance and repair, while ensuring a tight and secure connection between pipes. Its construction from high-quality materials, corrosion-resistant finish, and industry-standard compliance make it a valuable addition to any piping system.
Pros and Cons of Buying a JB A31484 1/4 Inch Flare MPT Half Union Access Valve
The JB A31484 1/4 inch Flare MPT Half Union Access Valve is a popular choice for plumbing and gas applications due to its versatility and ease of installation. Let's examine the key advantages and disadvantages of purchasing this valve:
Pros:1. Flexibility: This valve's MPT (Male Threaded x Pipe Threaded) connection design allows for the use of both flare and pipe threaded piping, increasing compatibility with various system configurations.
2. Easy Installation: The half union design enables quick and straightforward installation, as well as easy maintenance, as only one side of the valve needs to be disconnected to access the internal components.
3. Durability: Made from brass, this valve is known for its high durability and resistance to corrosion, making it suitable for long-term use in various applications.
4. Leak-Free: The union connection ensures a leak-free seal, reducing the risk of gas or water leaks and minimizing potential damage to property or the environment.
5. Pressure Regulation: The valve can be used to regulate pressure in piping systems, ensuring that the flow rate remains consistent and safe for the application.
Cons:1. Cost: Compared to other valve types, such as compression or ball valves, the JB A31484 may be more expensive due to its unique combination of features and materials.
2. Size: The valve's larger size, as compared to other valve types, may require additional space for installation, which could be a consideration in confined areas.
3. Potential for Over-tightening: The union connection can be susceptible to over-tightening, which could potentially damage the components and lead to leaks. Proper installation techniques and torque specifications should be followed to avoid this issue.
Conclusion:The JB A31484 1/4 inch Flare MPT Half Union Access Valve offers significant advantages in terms of compatibility, ease of installation, durability, and leak-free operation. However, these benefits come at a higher cost compared to other valve types and require careful handling during installation. Ultimately, the decision to purchase this valve depends on the specific requirements of the application, the available budget, and the installation conditions. If the need for flexibility, ease of maintenance, and durability outweighs the cost and size considerations, then the JB A31484 is an excellent choice for the project.
Details:
This fitting is designed for use in hvac and refrigeration systems, providing a reliable connection point various components. The product is a 1/4 inch flare x mpt half union access fitting by J/b industries, specifically model number A31484.
specifications maxohvac:
- brand: J/b Industries
- mpn: A31484
payments maxohvac:
- other
- wallet: apple-pay
- credit card: visa
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
returns maxohvac:
- paid by: seller
- policy: returns accepted
- time: 30 days
- method: money back
offer maxohvac:
- in stock #: 5
- sold #: 19
- prices: $9.99–$19.99
- item condition:
- New – Open box
- New
- best offers: true
- options: ship-to-home
- started: march 30, 2025
- availability: in stock
shipping maxohvac:
- class: standard, expedited
- carrier: usps
- type: calculated
- transit: 4-9 days
- service: usps ground advantage, usps priority mail express
seller maxohvac:
- city: rochester, new york
- rating: 100.0%
- # reviews: 2503






