U-12 STZ Malleable Union Box

Review STZ Malleable Union Black Psi 1/2 Inch 310 Box Of

The STZ 019442147730 Malleable Union represents a high-quality and reliable solution for your plumbing needs. This union, specifically a 150 1/2 (310 U-12) model, is designed to provide a secure and leak-free connection between two pipes.

Constructed from malleable iron, this union exhibits superior strength and durability. Its malleable nature also allows for easy bending and shaping to accommodate complex piping configurations. The union comes in a box containing 15 pieces, ensuring that you have an ample supply for various plumbing projects.

The 150 1/2 (310 U-12) dimension refers to the nominal pipe size and the thread size, respectively. The outside diameter of the pipe that this union is intended for is 1-1/2 inches, while the thread size is 310 threads per inch. The U-12 designation denotes the number of threads per inch on the union's inner threads.

This union features a tapered bore design, which facilitates easy assembly and disassembly. The tapered bore gradually narrows towards the threads, allowing for a more secure connection when the pipe is inserted. The union's outer threads are threaded for both male and female connections, providing flexibility in piping arrangements.

The STZ 019442147730 Malleable Union is engineered to meet or exceed industry standards for quality and performance. Its corrosion-resistant finish ensures that it can withstand the rigors of various plumbing environments. With its robust construction, ease of use, and versatility, this union is an essential addition to any plumbing project.

STZ 019442147730, which is a malleable union 150 1/2 310 U-12 box 15, is a plumbing supply component used in various applications for joining pipes and tubes. Let's discuss some pros and cons of buying this product.

1. Durability: Malleable iron unions are known for their durability and strength. They can withstand high pressure and temperature conditions, making them suitable for industrial and commercial applications.

2. Leak-free joints: The malleable iron unions are designed to provide leak-free joints. The union nut and ferrule expand when tightened, creating a watertight seal around the pipe.

3. Easy to install: The U-12 box design of the union makes it easier to install than traditional slip unions. The box contains all the necessary components, including the union nut, ferrule, and gasket, making it a one-stop solution.

4. Versatility: Malleable iron unions are available in various sizes and pressure classes, making them a versatile solution for different piping applications.

5. Cost-effective: Malleable iron unions offer a cost-effective solution for pipe joints. They are less expensive than welded or threaded connections and can be installed quickly, saving time and labor costs.

1. Limited temperature range: Malleable iron unions have a limited temperature range. They are not suitable for applications where the temperature exceeds 250 F or drops below 0 F.

2. Requires specific tools: Installing a malleable iron union requires specific tools, including a union wrench and a hammer. These tools may not be readily available on the job site, adding to the cost and time required for installation.

3. May require additional sealing: In some applications, additional sealing may be required to ensure a watertight seal around the union. This can add to the installation time and cost.

4. Limited availability: Malleable iron unions may not be readily available in all sizes and pressure classes. This can make it difficult to find the right union for a specific application.

STZ 019442147730, which is a malleable union 150 1/2 310 U-12 box 15, offers several advantages, including durability, ease of installation, and cost-effectiveness. However, it also has some limitations, such as a limited temperature range and the requirement for specific tools. If the application requirements fall within the capabilities of this union, it can be a cost-effective and reliable solution for pipe joints. If the temperature range or other requirements exceed the capabilities of this union, other options, such as welded or threaded connections, may need to be considered.

Details:

The Stz malleable union black 150 psi 1/2 310 U-12 is a box of 15 threaded fittings made iron. With a pressure rating of 150 psi, this fitting is suitable for high-pressure systems requiring reliable and durable connections. The union fitting allows for the connection of three pieces pipe or hose, making it a versatile and essential component various industrial applications. This product is designed for use in hydraulics, pneumatic, pumps, and plumbing systems.

specifications pipehosefit:

• brand: Stz
• mpn: U-12
• part type: Box
• fitting type: Union
• material: Iron
• unit quantity: 15
• upc: 019442147730

payments pipehosefit:

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

seller pipehosefit:

• rating: 99.4%
• # reviews: 8505
• city: indianapolis, indiana

shipping pipehosefit:

• carrier: usps
• transit: 7-13 days
• service: usps ground advantage
• class: standard
• type: fixed

general pipehosefit:

• category: Business & Industrial > Adapters > Pipe Hose > Threaded Fittings

returns pipehosefit:

• policy: no returns

offer pipehosefit:

• availability: in stock
• options: ship-to-home
• price: $62.98
• item condition: New
• started: november 22, 2025
• sold #: 17
• in stock #: 1