RIDGE WASHER PLU-21 Pressure Couplers Connect Plug Female 781509866723 1/4 Npt Thread Fitting

( Brand: Ridge Washer ), ( Part Type: Pressure Plug ), ( Connector Type: Plug ), ( Size: 1/4 Inch Female Npt ), ( Manufacturer Part Number: PLU-21 ), ( Style: Female Thread ), ( Color: Silver ), ( Exterior Finish: Stainless Steel ), ( Thread Size: 0 25 Inch ), ( UPC: 781509866723 ), ( Package Dimensions Lxwxh: 2.8x2.44x0.67 Inches ), ( Weight: 0.11 Pounds )

Review RIDGE WASHER Pressure Couplers 1/4 Quick Connect Plug To Female Npt Thread Fitting

Introducing the Ridge Washer PLU-21 Pressure Couplers, a versatile solution for joining pipes and tubing systems in various industrial applications. These couplers feature a 1/4 inch NPT (National Pipe Thread) female thread fitting, making them compatible with a wide range of industry standard components.

The PLU-21 couplers are renowned for their robust design and superior pressure handling capabilities. They are engineered using high-quality materials, including brass bodies and stainless steel washers, ensuring durability and resistance to corrosion and wear. The ridge washer design provides an effective seal against pressure leaks and helps prevent galling and thread damage.

Each coupler is equipped with a pressure relief valve, which automatically activates when the working pressure exceeds the rated limit, preventing potential damage to the system and ensuring safety. This feature is particularly valuable in applications where pressure fluctuations can occur.

The Ridge Washer PLU-21 Pressure Couplers offer excellent flow characteristics, ensuring efficient transfer of fluids and gases. The couplers are suitable for use with a variety of media, including water, steam, air, and chemicals, making them a versatile addition to any industrial piping system.

The couplers are available in different pressure ratings, enabling users to select the appropriate model based on their specific application requirements. The PLU-21 series is designed to accommodate working pressures up to 150 psi (10.3 bar).

In summary, the Ridge Washer PLU-21 Pressure Couplers are a reliable, durable, and versatile solution for joining pipes and tubing systems in various industrial applications. Their robust design, efficient flow characteristics, and pressure relief valve make them a valuable investment for ensuring the safety and reliability of your industrial piping systems.

Ridge Washer Plu-21 pressure couplers with 1/4 inch connect plugs and female NPT threads are commonly used in pneumatic and hydraulic systems for making quick connections. Let's discuss the pros and cons of buying these fittings:

1. Convenient and Time-Saving: These fittings are easy to use and require no special tools for installation. They can be hand-tightened, which makes them an ideal choice for field repairs and maintenance.

2. Leak-Free Connection: The ridge washer design provides a leak-free connection by providing a positive seal between the mating surfaces. This is particularly important in high-pressure applications where leaks can lead to safety hazards and equipment damage.

3. Versatile: These fittings are available in various sizes and pressure ratings, making them suitable for a wide range of applications. They can be used with different types of hoses, including reinforced and spiral-wound hoses.

4. Durable: The rugged design of these fittings makes them resistant to corrosion and wear, ensuring a long service life.

1. Limited Reusability: Once these fittings are installed and disconnected, they may not be reusable due to the deformation of the ridge washer. This may lead to additional costs for replacing the fittings.

2. Potential for Over-tightening: These fittings can be hand-tightened, which increases the risk of over-tightening and damaging the hose or the fitting itself. Proper installation techniques and torque specifications should be followed to avoid this issue.

3. Cost: Compared to other types of fittings, such as compression fittings, these pressure couplers may be more expensive due to their rugged design and leak-free performance.

Ridge Washer Plu-21 pressure couplers with 1/4 inch connect plugs and female NPT threads are a reliable and convenient choice for making quick, leak-free connections in pneumatic and hydraulic systems. While they may have some limitations and higher cost compared to other types of fittings, their durability, versatility, and leak-free performance make them a worthwhile investment for many applications.

If you require a quick, leak-free connection in a high-pressure application and are willing to accept the limitations and higher cost, then Ridge Washer Plu-21 pressure couplers with 1/4 inch connect plugs and female NPT threads are an excellent choice. However, if you need a more cost-effective or reusable solution, you may want to consider other types of fittings, such as compression fittings or hose clamps.

Details:

Pressure Washer 1/4 quick connect fits most pressure equipment. Make it easy and quick to exchange of pressure Washer outlet, sewer jotter hose, guns nozzles. Pressure Washer quick connects working pressure is up to 5000 PSI. Pressure Washer quick connect kit includes two 1/4 fittings.

Easy to assemble and disassemble. Pressure Washer fittings is made of stainless steel. Convert 1/4 quick disconnect plug to 1/4 female NPT fitting. Wear resistant and, resistance to corrosion.

part #: plu21 prices

• $8.99-$34.95

specifications wushwashers:

• brand: Ridge Washer
• part type: Pressure Plug
• connector type: Plug
• size: 1/4 Inch Female Npt
• manufacturer part number: PLU-21
• style: Female Thread
• color: Silver
• exterior finish: Stainless Steel
• thread size: 0 25 Inch
• upc: 781509866723
• package dimensions lxwxh: 2.8x2.44x0.67 Inches
• weight: 0.11 Pounds

shipping wushWashers:

• cost: $0.00
• service: Standard
• transit: 5-8 Days
• class: Standard
• type: Fixed

returns wushWashers:

• method: Money back
• paid by: Seller
• policy: Returns Accepted
• time: 14 Days

seller wushWashers:

• # reviews: 969
• city: Lathrop, California
• rating: 99.4%

general wushWashers:

• Yard, Garden Outdoor Living > Outdoor Power Equipment > Pressure Washers
• condition: New

payments wushWashers:

• credit card: Mastercard
• wallet: Apple-pay
• other

offer wushWashers:

• availability: In Stock
• options: Ship-to-home
• quantity: 3
• started: January 8, 2026
• sold: 0

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