4BC4-316 PARKER Partial Bulkhead Union Tube Od Compression

Review PARKER Partial Bulkhead Union 1/4 Inch Tube Od Compression 316

The Parker 4BC4-316 Partial Bulkhead Union is a high-performance compression fitting designed for use with 1/4 inch OD (Outside Diameter) tube made of 316L stainless steel. This union features a partial bulkhead design, which provides excellent sealing performance while allowing for easy tube removal or installation without disturbing the connected piping system.

The 4BC4-316 union is constructed from premium materials, including the 316L stainless steel body and the nickel-plated brass compression ring. The nickel plating on the compression ring not only enhances the union's appearance but also provides additional corrosion resistance, ensuring long-lasting durability even in harsh environments.

The compression ring in this union is designed to evenly distribute the clamping force around the tube, providing a secure and leak-free seal. The union also includes a Buna-N seat ring, which functions as a secondary seal and helps prevent leaks caused by pressure fluctuations or vibrations.

To install the Parker 4BC4-316 union, simply slide it onto the tube, position the compression ring at the desired location, and tighten the nut using a wrench or other suitable tool. The nut is equipped with a knurled surface for improved grip and ease of use. Once the nut is tightened, the compression ring will expand and grip the tube, creating a strong and reliable seal.

The Parker 4BC4-316 Partial Bulkhead Union is suitable for use in a variety of industrial applications, including HVAC systems, refrigeration systems, and process piping systems. Its high-quality construction, reliable sealing performance, and easy installation make it an excellent choice for professionals who demand the best in performance and durability.

Pros and Cons of Buying a Parker 4BC4-316 Partial Bulkhead Union for 1/4 Inch OD Compression Fittings in 316L Stainless Steel

The Parker 4BC4-316 is a partial bulkhead union designed for use with 1/4 inch outside diameter (OD) compression fittings made of 316L stainless steel. This union is commonly used in various industries for fluid transfer applications. In this analysis, we will discuss the advantages and disadvantages of purchasing a Parker 4BC4-316 union.

1. Leak-free Connection: The Parker 4BC4-316 union's partial bulkhead design ensures a leak-free connection, as it prevents fluid from flowing back into the fitting during disassembly. This feature is crucial in applications where maintaining a seal is essential.

2. Compatibility: This union is compatible with 1/4 inch OD compression fittings made of 316L stainless steel, which is a widely used material in various industries due to its corrosion resistance and strength.

3. Pressure Rating: The Parker 4BC4-316 union has a pressure rating of 300 psi (2,068 kPa) at a temperature range of -20 F to 250 F (-29 C to 121 C), making it suitable for numerous industrial applications.

4. Easy Installation: The union's compression fitting design allows for easy installation without the need for specialized tools or welding.

1. Cost: The Parker 4BC4-316 union is more expensive compared to other types of unions, such as threaded unions. This can be a disadvantage for those working on a tight budget.

2. Limited Size Range: This union is specifically designed for 1/4 inch OD compression fittings. If you require a different size, you will need to purchase a different union.

3. Requires Torque Wrench: Proper installation of the union requires the use of a torque wrench to ensure the correct tightening torque is applied. Failing to do so could result in leaks or other issues.

The Parker 4BC4-316 partial bulkhead union offers several advantages, including leak-free connections, compatibility with 316L stainless steel fittings, a suitable pressure rating, and easy installation. However, it also has disadvantages, such as a higher cost, limited size range, and the requirement for a torque wrench. Considering these pros and cons, it is recommended for applications where a leak-free connection is essential and the additional cost is justified. If budget is a concern or a different size is required, alternative union types may be more suitable.

Details:

Technical specifications, straight bulkhead union. New, never used. Lot of 2 partial units. Open box, no retail packaging.

Both units are missing the end compression nut. Fitting size 1/4 in compression x. For tube outer diameter 1/4 in. There is some exterior wear from storage, including several scratches and scuffs.

Maximum operating pressure 10,300 psi. Fitting material stainless steel.

specifications pipehosefit:

• brand: Parker
• mpn: 4bc4-316
• end a diameter: 1/4 In
• material: Stainless Steel
• fitting shape: Straight
• end c: For Tees
• type: Compression Fittings
• end a-to-end b gender: Female-to-female
• unit type: Unit
• country/region of manufacture: United States
• end a-to-end b: Compression-to-compression
• upc: 999571198653

payments pipehosefit:

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

general pipehosefit:

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

returns pipehosefit:

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

seller pipehosefit:

• # reviews: 13181
• rating: 100.0%
• city: south bend, indiana

shipping pipehosefit:

• transit: 3-5 days
• type: fixed
• service: standard
• class: standard

offer pipehosefit:

• options: ship-to-home
• availability: in stock
• in stock #: 5
• sold #: 17
• prices: $29.95–$64.54
• item condition:
  • New
  • New – Open box
• started: july 27, 2025