Home > Product > Ferrule Fittings > Single Ferrule Fittings > PE-LOCK Cross Union
Perfect Engineers, a globally trusted name in tube fittings and fluid handling solutions, proudly offers the PE-LOCK Cross Union — a four-way single ferrule tube fitting designed for equal or mixed-size tube connections in multi-line instrumentation and piping systems.
Engineered under our flagship brand PE-LOCK, these cross unions provide a compact and reliable solution for high-pressure, high-temperature setups that require fluid distribution in four directions — all while maintaining absolute sealing integrity and repeatable assembly performance.
A Cross Union is a four-port tube fitting shaped like a “+” sign, designed to connect four tubes at right angles. It is used when two perpendicular flows need to be joined or branched in instrumentation, gas distribution panels, manifolds, or multi-line skids.
Each of the four ends accepts a tube connection using a single ferrule and nut mechanism, allowing leak-proof, vibration-resistant joints without welding
| Specification | Details |
|---|---|
| Brand | PE-LOCK by Perfect Engineers |
| Product Name | Cross Union – Four-Way Single Ferrule Tube Fitting |
| Connection Type | Tube OD × Tube OD × Tube OD × Tube OD (Equal or Reducing) |
| Size Range | 1/8″ to 2″ (or 3 mm to 50 mm) |
| Material Options | SS316, SS304, Brass, Monel, Inconel, Hastelloy |
| Pressure Rating | Up to 6000 PSI |
| Temperature Range | -196°C to +400°C |
| Surface Finish | Natural, Polished, Nickel-Plated |
| Standards Met | ISO 8434-1, DIN 2353, ASME B31.3, ASTM F1387 |
| Manufacturing Origin | India (Perfect Engineers – Mumbai facility) |
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PE-LOCK Cross Unions are ideal for complex fluid or gas routing in:
Yes. These fittings are rated for up to 6000 PSI, depending on tube size and material.
Yes. We manufacture both equal and reducing versions to suit your application.
We offer SS316, Brass, Monel, Inconel, Hastelloy, and other alloys on request.
Absolutely. They are widely used in oxygen, hydrogen, nitrogen, and other critical gas lines.
Yes. Our fittings are available in both mm and inch configurations.
Yes. Our fittings match industry-standard dimensions and are fully interchangeable.
Each unit is hydro tested, visually inspected, and undergoes dimensional and thread gauge checks.
Yes. OEM/private labeling is available for distributors and EPC firms.
Minimum order quantity depends on material and size. Contact us for a custom quote.
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