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Conversion Adapters

1CT NPT Male 90° Elbow Adapter

  • Wide Range of Sizes
    Available in thread sizes from M12 to M52 to accommodate different tube diameters and installation requirements.
  • High Pressure Capability
    Offered in Light Series (25 MPa) and Heavy Series (40 MPa) to suit various hydraulic working environments.
  • Standard Thread Design
    Features NPT/R threads for compatibility with piping systems and easy installation.
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Description

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Thread & Standard Explanation

This NPT male elbow is manufactured with ANSI / ASME B1.20.1 compliant NPT threads, which are widely used in hydraulic, pneumatic, and industrial piping systems. The tapered thread structure allows the fitting to form a tight seal through thread interference.

  • Thread Type: NPT (National Pipe Taper) male thread
  • Thread Standard: ANSI / ASME B1.20.1
  • Sealing Method: Tapered thread sealing with PTFE tape or thread sealant

Compared with parallel threads, NPT male threads provide better sealing performance under pressure, making this elbow fitting suitable for high-pressure hydraulic applications. The 90° elbow design also helps optimize piping layouts where space is limited.

This adapter is designed to connect metric tube fittings to NPT female ports, allowing easy integration between metric hydraulic components and NPT-based systems.

 

Dimensions & Technical Specifications

Dimensions & Technical Specifications

PART NO. THREAD TUBE O.D. DIMENSIONS SERIES PRESSURE RATING (MPa)
  E F D I1 L1 S1 S2    
Note: In case if you are interested to order the adapter in complete set with cutting ring and nut, it is necessary to insert suffix "RN" after our part no., for example 1DT-22-08SP/RN.
1CT-12-02SP M12x1.5 R1/8"x28 6 13 28 12 14 Light Series 25
1CT-12-04SP M12x1.5 R1/4"x19 6 16.5 31.5 14 14
1CT-14-04SP M14x1.5 R1/4"x19 8 16.5 31.5 14 17
1CT-14-06SP M14x1.5 R3/8"x19 8 17.6 32.6 19 17
1CT-16-04SP M16x1.5 R1/4"x19 10 17.5 32.5 17 19
1CT-16-06SP M16x1.5 R3/8"x19 10 18.6 33.6 19 19
1CT-16-08SP M16x1.5 R1/2"x14 10 21.8 36.8 22 19
1CT-18-04SP M18x1.5 R1/4"x19 12 18.5 33.5 19 22
1CT-18-06SP M18x1.5 R3/8"x19 12 18.6 33.6 19 22
1CT-18-08SP M18x1.5 R1/2"x14 12 21.8 36.8 22 22
1CT-22-08SP M22x1.5 R1/2"x14 15 22.8 37.8 24 27
1CT-26-08SP M26x1.5 R1/2"x14 18 23.3 39.8 27 32 Light Series 16
1CT-26-12SP M26x1.5 R3/4"x14 18 22 38.5 30 32
1CT-30-12SP M30x2 R3/4"x14 22 24 40.5 32 36
1CT-36-16SP M36x2 R1"x11 28 29.6 46.1 38 41
1CT-36-20SP M36x2 R1.1/4"x11 28 29.3 45.8 46 41
1CT-45-20SP M45x2 R1.1/4"x11 35 28.3 49.8 46 50
1CT-52-20SP M52x2 R1.1/4"x11 42 29.8 52.8 55 60
1CT-52-24SP M52x2 R1.1/2"x11 42 29.8 52.8 55 60 Light Series 16
1DT-14-04SP M14x1.5 R1/4"x19 6 13 36.5 17 17 Heavy Series (S) 40
1DT-16-04SP M16x1.5 R1/4"x19 8 21.5 36.5 17 19
1DT-18-04SP M18x1.5 R1/4"x19 10 21 37.5 19 22
1DT-20-04SP M20x1.5 R1/4"x19 12 23 39.5 22 24
1DT-20-06SP M20x1.5 R3/8"x19 12 23.1 39.6 22 24
1DT-22-06SP M22x1.5 R3/8"x19 14 24.6 42.6 24 27
1DT-22-08SP M22x1.5 R1/2"x14 14 27.8 45.8 24 27
1DT-24-06SP M24x1.5 R3/8"x19 16 24.1 42.6 27 30
1DT-24-08SP M24x1.5 R1/2"x14 16 27.3 45.8 27 30
1DT-30-12SP M30x2 R3/4"x14 20 28 49.5 32 36 Heavy Series (S) 25
1DT-36-12SP M36x2 R3/4"x14 25 29.5 53.5 38 46
1DT-36-16SP M36x2 R1"x11 25 34.1 58.1 38 46
1DT-42-16SP M42x2 R1"x11 30 35.6 62.1 46 50
1DT-42-20SP M42x2 R1.1/4"x11 30 34.3 60.8 46 50
1DT-52-20SP M52x2 R1.1/4"x11 38 36.8 67.8 55 60
1DT-52-24SP M52x2 R1.1/2"x11 38 36.8 67.8 55 60 Heavy Series (S) 25

 

Applications

This NPT male elbow is widely used in hydraulic and fluid transfer systems where a reliable 90-degree direction change is required. Its tapered NPT male thread ensures secure sealing, making it suitable for both high-pressure and vibration-prone applications.

  • Hydraulic Systems: Used in hydraulic power units, valve blocks, and pump connections to redirect fluid flow.
  • Construction Machinery: Commonly applied in excavators, loaders, and heavy equipment hydraulic lines.
  • Industrial Piping: Suitable for oil, fuel, and fluid pipelines requiring compact and durable elbow fittings.
  • Agricultural Equipment: Installed in tractors and agricultural hydraulic systems for stable fluid connections.
  • Pneumatic Systems: Applicable in compressed air systems using NPT female ports.

By connecting metric tube fittings to NPT female ports, this elbow fitting provides a practical solution for integrating metric hydraulic components into NPT-based piping systems, especially in space-limited installations.

 

Manufacturer & Supply Capability

As a professional NPT male elbow manufacturer and supplier, we provide stable quality control, complete size ranges, and flexible production capabilities. OEM and bulk orders are available to support distributors, hydraulic system integrators, and industrial equipment manufacturers.

If you need technical confirmation, dimensional drawings, or competitive pricing for NPT male elbow fittings, please feel free to contact our team for fast response and professional support.

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