Pipe Male Branch Tee

In high-pressure pneumatic systems and industrial piping, a sub-standard branch tee is a liability. Slight dimensional deviations in thread pitch or out-of-roundness lead to slow pressure drops, thread galling during installation, and expensive system downtime. We manufacture Brass Pipe Male Branch Tees designed specifically to maintain sealing integrity under continuous system vibration, pressure spikes, and thermal expansion.

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Product Introduction

We manufacture Brass Pipe Male Branch Tees designed specifically to maintain sealing integrity under continuous system vibration, pressure spikes, and thermal expansion.

Technical Specifications & Engineering Data

General Specifications

Parameter	Specification
Material Grade	Standard C36000 Free-Cutting Brass (ASTM B16) or C37700 Forging Brass (ASTM B124) for complex shapes. Lead-free brass (such as C27450 or C46400) is available for potable water compliance.
Maximum Working Pressure	Up to 1,200 PSI (83 Bar), depending on the size and tube/pipe configuration.
Operating Temperature Range	-65 Degree F to +250 Degree F (-54 Degree C to +121 Degree C).
Media Compatibility	Compressed air, inert gases, water, hydraulic fluids, and fuels.
Compliance Standards	Manufactured in compliance with SAE J530 (Automotive Pipe Fittings) and SAE J531 (Pipe, Carburetor, and Drain Plugs).

Standard SKU Matrix & Dimensional Chart

Part Number	Port 1 (Male Pipe)	Port 2 (Female Pipe)	Port 3 (Branch Male)	Hex Size (Inch)	L1 (Run Length)	L2 (Branch Height)
MBT-02N	1/8" NPT	1/8" NPT	1/8" NPT	9/16"	1.42"	0.81"
MBT-04N	1/4" NPT	1/4" NPT	1/4" NPT	3/4"	1.76"	1.05"
MBT-06N	3/8" NPT	3/8" NPT	3/8" NPT	7/8"	2.02"	1.20"
MBT-08N	1/2" NPT	1/2" NPT	1/2" NPT	1-1/16"	2.54"	1.50"

Custom configurations, metric threads (M10 to M22), and dual-size run/branch reductions are manufactured to order based on customer CAD drawings (STEP/DWG formats accepted).

Thread Compatibility & Standards Compliance

Thread alignment is critical to zero-leak pneumatic lines.

We control thread profiles using multi-axis CNC tooling and verify them using calibrated master gauges.

NPT (ANSI/ASME B1.20.1)
Standard 60 Degree thread angle with tapered sealing.
Ideal for North American industrial piping.

NPTF (SAE J476)
Dryseal pipe threads.
Designed to seal without thread sealants by creating a metal-to-metal crush fit between the crest and root.

BSPT (ISO 7-1 / BS 21)
Tapered 55 Degree threads widely used across European and Commonwealth air systems.

BSPP (ISO 228-1)
Parallel threads requiring an elastomeric seal, O-ring, or copper washer at the joint face.

Materials Science & Structural Integrity

We select our brass alloys based on metallurgical stability and resistance to stress corrosion cracking (SCC):

High Tensile Strength
Brass handles high mechanical torque during assembly without stripping threads, unlike cast iron or plastic fittings.

Corrosion Resistance
Highly resistant to moisture, road salt, and mildly acidic compressed air condensate.

Vibration Dampening
The metallurgical density of forged/machined brass absorbs harmonic frequencies in heavy machinery, preventing fatigue cracks at the root of the threads.

Quality Control & Traceability Flow

We enforce a strict quality management system to guarantee batch-to-batch consistency for volume distributors:

Raw Material Testing --> CNC Machining with Live Tooling --> 100% Thread Ring Gauge Audit --> Automated Ultrasonic Cleaning --> Final QA & Packaging

Spectrochemical Analysis
We test every incoming heat of brass bar stock using optical emission spectrometers (OES) to verify chemical composition (Copper, Zinc, and Lead content).

Precision Machining
CNC turning centers hold dimensional tolerances within +/-0.002 inches (+/-0.05 mm).

Thread Gauging
We employ a rigorous Go/No-Go inspection protocol using calibrated thread ring gauges to check pitch diameter and taper.

Deburring & Cleaning
All fittings undergo automated ultrasonic washing and acid-dipping to remove machining oils, metal chips, and microscopic burrs that could clog downstream valves or pneumatic cylinders.

OEM, Private Label, & Logistics Support

As a dedicated B2B manufacturer, we streamline your supply chain with ready-for-market packaging and customization:

Custom Laser Marking
Part numbers, size identifiers, or your company logo permanently laser-etched onto the hex flat.

Packaging Formats
Available options include:

Bulk cardboard cartons
Heat-sealed individual polybags with barcode labels (UPC/EAN)
Customized kit boxes

Flexible Logistics
Support includes:

Mixed SKU container consolidation
Scheduled blanket orders to support JIT (Just-In-Time) inventory
Full shipping document transparency (CoC, Mill Test Reports, RoHS Compliance Certificates)

FAQ

Q: What is the minimum order quantity (MOQ) for bulk orders?

A: For standard catalog sizes (1/8" to 1/2" NPT/BSPT), our standard MOQ is 1,000 pieces per SKU.
For custom dimensions or special brass alloys (such as lead-free or DZR brass), MOQs vary depending on raw material extrusion minimums.

Q: Do you provide Material Test Reports (MTR) or Certificates of Conformance (CoC)?

A: Yes. We provide Mill Test Reports (chemical analysis and physical properties) and Certificates of Conformance with every shipment upon request to ensure traceability.

Q: Can these brass fittings be used in vehicle air brake systems?

A: Yes. When machined from appropriate alloys and designs, they conform to SAE J530/J512 standards.
Please specify if your application requires compliance with Department of Transportation (DOT) or FMVSS regulations.

Q: Do you offer pre-applied thread sealants?

A: Yes. We can supply fittings with pre-applied thread sealants (such as Loctite or Vibra-Tite formula) or Teflon tape pre-wrap to reduce your assembly line labor costs.

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