6LJ21 PARKER Presto Lock Push Fittings Tubing Mpt

Review PARKER 30 Pc Presto Lock Push-on Fittings 3/16 Inch Tubing 1/4 Mpt

The Parker 6LJ21 68PL-3-4 30 Presto Lock push-on fittings are a versatile and reliable solution for joining 3/16 inch (4.8 mm) tubing with a 1/4 Minitec thread (MPT) connection. These fittings are part of Parker's extensive line of hydraulic and pneumatic components, known for their high-quality and durability.

The Presto Lock design of these push-on fittings provides a secure and leak-free connection, even in high-pressure applications. The innovative locking mechanism engages automatically when the fitting is pushed onto the tubing, ensuring a positive seal. This design offers the convenience of quick and easy installation without the need for tools or additional sealing methods.

These Parker fittings are made from 303SST stainless steel, which provides excellent resistance to corrosion and wear, ensuring a long service life. The fittings are tested to meet the highest industry standards for pressure and leakage, providing peace of mind for users in various industries, including manufacturing, construction, mining, and transportation.

The 6LJ21 series fittings are suitable for use in hydraulic, pneumatic, and industrial applications, where the need for a reliable and robust connection is essential. They can handle working pressures up to 3,000 psi (207 bar) and temperatures between -40 F and 250 F (-40 C and 121 C).

The Parker 6LJ21 68PL-3-4 30 Presto Lock push-on fittings come in a variety of sizes and configurations to accommodate different tubing dimensions and connection requirements. They are available in male and female versions, making them suitable for use as both ends of a hydraulic or pneumatic line.

In summary, the Parker 6LJ21 68PL-3-4 30 Presto Lock push-on fittings are a high-performance and reliable solution for joining 3/16 inch (4.8 mm) tubing with a 1/4 Minitec thread (MPT) connection. Their innovative Presto Lock design ensures a secure and leak-free connection, while the 303SST stainless steel construction offers excellent resistance to corrosion and wear. These fittings are suitable for use in various industries and applications, and can handle working pressures up to 3,000 psi (207 bar) and temperatures between -40 F and 250 F (-40 C and 121 C).

Pros and Cons of Buying Parker 6LJ21 68PL-3-4 30 Presto Lock Push-On Fittings for 3/16 Tubing with 1/4 MPT

The Parker 6LJ21 68PL-3-4 30 Presto Lock Push-On Fittings are commonly used in hydraulic and pneumatic systems for joining 3/16 tubing with 1/4 MPT (Male Threaded) ends. In this discussion, we will examine the advantages and disadvantages of purchasing these fittings.

1. Leak-Free Connection: These fittings offer a leak-free connection due to their push-on design and the pre-applied sealant.

2. Quick Installation: The push-on design allows for quick and easy installation, eliminating the need for threading or the use of additional tools.

3. Reusable: The fittings can be disassembled and reused, making them a cost-effective solution for repairing or modifying systems.

4. Compatibility: These fittings are compatible with a wide range of tubing sizes and materials, making them versatile for various applications.

5. Durability: Made from brass material, these fittings offer excellent durability and resistance to corrosion.

1. Limited Working Pressure: These fittings are rated for a maximum working pressure of 30 psi, which might be insufficient for high-pressure applications.

2. Size Limitations: The 3/16 tubing size is relatively small, which might not be suitable for larger hydraulic or pneumatic systems.

3. Cost: Compared to other types of fittings, such as compression fittings or welded fittings, push-on fittings can be more expensive.

4. Limited Temperature Range: The recommended operating temperature range for these fittings is between -40 F and 250 F, which might not be suitable for extreme temperature applications.

The Parker 6LJ21 68PL-3-4 30 Presto Lock Push-On Fittings offer several advantages, such as quick installation, leak-free connection, durability, and compatibility. However, they also come with some disadvantages, like limited working pressure, size limitations, cost, and temperature range.

These fittings are ideal for applications that require quick installation, a leak-free connection, and compatibility with various tubing sizes. If your application involves high-pressure, large tubing sizes, or extreme temperatures, you might want to consider other types of fittings, such as compression fittings or welded fittings. Ultimately, the decision depends on the specific requirements of your application.

Details:

30 pc presto lock push-on fittings 3/16 tubing x 1/4 mpt 6LJ21 68PL-3-4.

specifications pipehosefit:

• brand: Parker
• mpn: 6lj21
• part type: Lock Fitting
• fitting shape: Straight
• end c: For Tees

returns pipehosefit:

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

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shipping pipehosefit:

• service: usps ground advantage
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• carrier: usps
• transit: 5-11 days
• class: standard

general pipehosefit:

• category: Business & Industrial > Adapters > Pipe Hose > Push-to-connect Fittings

seller pipehosefit:

• rating: 99.6%
• city: fenton, missouri
• # reviews: 21230

offer pipehosefit:

• sold #: 25
• options: ship-to-home
• started: june 7, 2025
• availability: in stock
• prices: $17.85–$284.99
• item condition:
  • New
  • New – Open box
• in stock #: 5
• best offers: true