Bulkhead Female Connectors

Bulkhead Female Connectors

SIYelectric Bulkhead Female Connector is designed for tube and pipe connections that need to pass through a panel, cabinet wall, equipment plate, or bulkhead.

Unlike a standard female connector, a bulkhead female connector provides a fixed connection point through a wall or panel. One side connects to tubing, while the female threaded side can connect with a male-threaded pipe, valve, fitting, instrument, or equipment port. This structure is useful in hydraulic systems, pneumatic systems, analyzer panels, control cabinets, process skids, gas panels, and instrumentation assemblies.

The fitting is designed to provide reliable sealing, stable tube gripping, and convenient installation. Features such as silver-coated nuts and a hardened rear ferrule process can help improve thread operation, reduce galling, and enhance tube holding performance under proper installation conditions.

Key Functions

Panel and Bulkhead Connection

The connector allows tubing or piping to pass through a plate, cabinet, enclosure, or equipment wall while maintaining a secure connection on both sides.

Female Thread Interface

The female threaded port can be used to connect male-threaded valves, fittings, gauges, transmitters, manifolds, or other instrumentation components.

Stable Tube Sealing

The ferrule structure helps grip and seal the tube, supporting reliable performance in hydraulic, pneumatic, gas, and process tubing systems.

Compatible Instruments and Components

This bulkhead female connector can be used with:

• Pressure transmitters
• Differential pressure transmitter impulse lines
• Pressure gauges
• Pressure switches
• Gauge valves
• Needle valves
• Ball valves
• Instrument manifolds
• Analyzer systems
• Sampling lines
• Gas panels
• Hydraulic and pneumatic control panels

For pressure measurement systems, it is often used where instrument tubing must pass through a panel or cabinet wall before connecting to a transmitter, gauge valve, manifold, test port, or pressure instrument.

Typical Applications

Hydraulic Systems

Used in hydraulic pipelines, hydraulic power units, and equipment panels where tubing must pass through a machine wall, cabinet, or mounting plate while maintaining reliable fluid transmission.

Pneumatic Control Systems

Applied in pneumatic panels, actuator control systems, air supply lines, and compressed air equipment where leak-resistant panel-through connections are required.

Analyzer and Sampling Panels

Suitable for gas sampling systems, liquid sampling panels, analyzer cabinets, and process monitoring equipment where tubing needs to enter or exit an enclosure.

Chemical and Pharmaceutical Process Equipment

Used in process skids, dosing systems, laboratory equipment, and clean utility panels where plate-mounted tube connections require sealing, corrosion resistance, and convenient maintenance.

Marine and Mechanical Equipment

Applied in machinery, offshore equipment, marine systems, and structural assemblies where pipelines or tubing need to pass through bulkheads or structural plates.

Advantages

• Bulkhead design supports secure tube connection through panels, plates, cabinet walls, and equipment enclosures.
• Female threaded connection allows connection with male-threaded valves, fittings, instruments, and equipment ports.
• Suitable for hydraulic, pneumatic, sampling, analyzer, gas, and instrumentation systems.
• Ferrule sealing structure provides reliable tube grip and leak-resistant performance.
• Silver-coated nut option helps improve thread operation and reduce galling during installation.
• Hardened rear ferrule process supports strong tube holding performance.
• Compact structure is suitable for panels, skids, cabinets, and limited installation spaces.
• Material, tube size, thread type, and pressure rating options can be selected according to site requirements.