Parker 4 Vbu-s Bite-type Male Elbow 1/4 in Tube 1/8 Nptf Steel

Product Description

The PARKER 4 VBU-S is a flareless bite-type tube fitting in a 45-degree male elbow configuration. It connects a 1/4-inch OD tube to a 1/8-inch NPTF male thread without requiring a flared tube end. The bite-type design uses a ferrule that grips the tube on installation, creating a secure, leak-resistant joint rated to 5,000 psi maximum working pressure. Constructed from steel for durability in demanding hydraulic and instrumentation plumbing environments, this fitting is installed by licensed plumbers, pipefitters, and hydraulic system technicians working on high-pressure fluid and pneumatic lines.

This fitting is suited for high-pressure hydraulic lines, instrumentation tubing runs, and industrial fluid systems where a compact 45-degree directional change is required. The flareless bite-type interface eliminates the need for tube flaring equipment, making it practical for field assembly and repair. Typical applications include machine tool hydraulics, mobile equipment fluid circuits, and industrial control systems using 1/4-inch OD steel or compatible tubing.

Key Features

• 45-degree male elbow configuration with 24-degree flared-angle ferrule seat
• Flareless bite-type connection — no tube flaring required
• 5,000 psi maximum working pressure rating
• 1/4-inch tube OD inlet, 1/8-inch NPTF male thread outlet
• Steel construction for strength in high-pressure hydraulic and pneumatic service

Compatibility

Designed as an OEM-style flareless bite-type fitting for use with 1/4-inch OD tubing and 1/8-inch NPTF ported components in high-pressure hydraulic and instrumentation systems.

Installation Notes

Installation should be performed by a qualified pipefitter or hydraulic technician. Depressurize and isolate the system completely before removing or installing any fittings. Ensure the tube end is cut square and deburred before inserting into the fitting body, as surface irregularities can compromise the ferrule bite and cause leaks. Follow applicable system pressure ratings and refer to NPTF thread-engagement standards to avoid under- or over-torquing the male thread connection.