501562 STZ Pack Pipe Union

Review STZ Pack Inch Black Pipe Union

The STZ 501562 Packing Union is a versatile and reliable piping component designed for use in various industrial applications. This union, manufactured by Swagelok, is specifically engineered to accommodate packing glands and is suitable for use with a wide range of sealing materials.

The union body is constructed of forged and machined carbon steel, ensuring both durability and strength. The union features a full-bore design, allowing for unobstructed fluid flow through the pipe. The union nut and bolts are precision-machined to ensure a secure and leak-free connection.

The packing union comes with a unique Swagelok design, which includes a patented nut-sealing system that provides a positive seal between the nut and the pipe, eliminating the need for additional packing material. This design also allows for easy disassembly and reassembly, making maintenance and repair simple and efficient.

The packing union also includes a hollow bore, which allows for the installation of a variety of packing materials, including graphite, braided packing, and spiral-wound packing. This flexibility enables the union to be used in a wide range of applications, including those with high pressure, temperature, and corrosive environments.

The Swagelok STZ 501562 Packing Union is suitable for use with ANSI Class 125 and ASME Class 150 pipe sizes, and it can handle working pressures up to ANSI Class 600 and ASME Class 900. The union also conforms to various industry standards, including ASME B16.5, ASME B16.34, and ANSI/ASME B16.11.

Overall, the STZ 501562 Packing Union is an essential piping component for industrial applications that require packing glands and a reliable, leak-free connection. Its durable construction, flexible design, and ease of maintenance make it a popular choice among engineers and maintenance personnel in various industries.

STZ 501562 is a pack pipe union manufactured by Spectra Stainless, a leading supplier of piping systems and components. This union is designed for use in piping applications and provides several advantages and disadvantages compared to other types of unions.

1. Leak-Free Connection: The pack pipe union provides a leak-free connection as it uses a gasket instead of a threaded connection. This eliminates the need for regular maintenance and reduces the risk of leaks.

2. Easy Installation: The pack pipe union can be installed quickly and easily without the need for special tools or equipment. This saves time and labor costs during installation.

3. High Pressure Rating: The STZ 501562 pack pipe union has a high pressure rating, making it suitable for use in high-pressure applications.

4. Corrosion Resistance: The union is made of stainless steel, which provides excellent resistance to corrosion and prolongs the life of the piping system.

1. Cost: The pack pipe union may be more expensive than other types of unions, such as threaded unions, due to its superior leak-free connection and other advantages.

2. Limited Size Range: The pack pipe union is available in a limited size range, which may not be suitable for all piping applications.

In conclusion, the STZ 501562 pack pipe union offers several advantages, including leak-free connections, easy installation, high pressure rating, and corrosion resistance. However, it may be more expensive than other types of unions and has a limited size range.

Based on the advantages and disadvantages, I would recommend considering the STZ 501562 pack pipe union for piping applications where a leak-free connection is critical, high pressure is involved, and corrosion resistance is required. The additional cost may be justified by the long-term benefits and reduced maintenance requirements. However, if the piping application does not require these features or if budget is a concern, other types of unions may be more suitable.

Details:

1, black union, brass/iron. X000d: 5 pack - 1 in.

specifications pipehosefit:

• brand: Stz
• mpn: 501562
• part type: Pipe
• bundle description: Pack Of 5

payments pipehosefit:

• credit card: mastercard
• wallet: google-pay

shipping pipehosefit:

• class: economy
• transit: 25-42 days
• service: economy int'l postage
• type: fixed

returns pipehosefit:

• time: 30 days
• paid by: buyer
• policy: returns accepted

offer pipehosefit:

• started: october 14, 2025
• prices: $9.06–$21.64
• item condition:
  • New – Open box
  • New
• availability: in stock
• sold #: 12
• options: ship-to-home

seller pipehosefit:

• rating: 98.4%
• # reviews: 13406
• city: mountain top, pa

general pipehosefit:

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