Parker CPI 1/4" x 1/8" x 1/4" NPT Female Run Tee for Fractional Tube

The Parker CPI™ 4-2-4 MBZ-SS NPT Female Run Tee is a precision-engineered instrumentation fitting designed to provide reliable tube-to-pipe connections in demanding process, control, and instrumentation systems. Featuring Parker's proven CPI™ single ferrule compression design, this fitting delivers dependable leak-free performance while simplifying installation and maintenance.

Constructed from heat code traceable 316 stainless steel, this run tee combines two 1/4" CPI™ tube connections with a 1/8" FNPT branch connection, making it ideal for fluid handling, analytical equipment, power generation, and industrial process applications.

Key Features

• Parker CPI™ single ferrule compression tube fitting design
• 1/4" tube x 1/8" FNPT x 1/4" tube configuration
• Type MBZ female run tee fitting
• Heat code traceable 316 stainless steel construction
• Leak-free sealing performance
• Excellent vibration resistance
• No tube twisting during installation
• Supports repeated remake and maintenance cycles
• Compatible with a wide range of tubing wall thicknesses
• Interchanges with 400-3-2TFT

Construction Details

Parker CPI™ fittings utilize a spring-loaded single ferrule design that maintains constant tension between the fitting body and nut, helping ensure reliable sealing integrity throughout service life.

The fitting transmits make-up and remake forces axially to the tubing, minimizing stress and preserving tubing integrity without inducing twisting or distortion during installation.

Manufactured from premium 316 stainless steel with heat code traceability, the fitting is engineered for demanding industrial and instrumentation environments requiring high reliability.

Specifications

Part Number: 4-2-4 MBZ-SS

Connection Type: CPI™ x FNPT x CPI™

Tube Size: 1/4" x 1/4"

Female NPT Size: 1/8"

Material: 316 Stainless Steel

Overall Length (A): 1.81"

Important Notes

Proper assembly is essential for leak-free operation. Follow Parker CPI™ installation and gaugeability procedures during installation.

Tubing material should generally match fitting material to ensure compatibility and optimal performance.

Pressure ratings depend on tubing selection and system design. Refer to Parker instrumentation tubing selection guidelines for application-specific ratings.