Outlet Port Fittings for Gas Manifolds | Specifications & Selection

Product Specifications

Technical details and manufacturing context for Outlet Port Fittings

Definition

Outlet port fittings are specialized connectors and adapters that form the interface between a gas inlet manifold and the downstream piping or tubing systems. As part of the gas inlet manifold assembly, they provide secure, leak-proof connections for directing gas flow from the manifold to various points of use, often featuring standardized threads, flanges, or compression fittings to ensure compatibility with different distribution systems. These fittings are available in materials such as stainless steel, brass, and carbon steel, with body material grades like SS304/316 for corrosion resistance in gas service. They are designed to operate within a pressure range of 1.0–1.6 MPa, a temperature range of -20 to 80 °C, and achieve a leakage rate of ≤0.1 mL/min at rated pressure with air. Connection sizes range from 1/4 to 2 inches, conforming to ISO 228-1, with thread standards including NPT and BSP (ASME B1.20.1 / ISO 228-1). The flow coefficient (Cv) varies from 1.2 to 25, depending on size and internal geometry. Seal materials such as PTFE or FKM are used, with chemical compatibility and temperature ratings per ASTM D2000. Surface finish ranges from Ra 0.8 to 3.2 μm, with smoother finishes for sealing surfaces, and weight varies from 0.2 to 5.5 kg. These fittings are critical for ensuring safe and efficient gas distribution, and their selection depends on factors such as operating pressure, temperature, media compatibility, and connection type. Always verify model-specific values and standards with the legal manufacturer or supplier before installation.

Working Principle

Outlet port fittings create a sealed mechanical connection between the manifold body and external piping. They typically utilize threaded, flanged, or compression mechanisms that, when properly torqued or assembled, compress gaskets or sealing surfaces to prevent gas leakage while maintaining structural integrity under system pressure. The sealing action relies on the deformation of seal materials like PTFE or FKM, which conform to mating surfaces to block leakage paths. Proper installation requires correct torque, alignment, and surface finish to ensure a reliable seal. Over-tightening can damage seals, while under-tightening may lead to leaks. The fittings must be compatible with the manifold and piping thread standards (NPT/BSP) and pressure ratings. Regular inspection for signs of wear, corrosion, or seal degradation is necessary to maintain performance. Failure to maintain proper sealing can result in gas leakage, posing safety risks. Always follow manufacturer guidelines for installation and maintenance.

Common Materials

Stainless Steel, Brass, Carbon Steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Connection Size	1/4–2 inch	Common sizes for gas distribution linesISO 228-1
Operating Pressure	1.0–1.6 MPa
Temperature Range	-20–80 °C	Seal material limits the upper temperature
Leakage Rate	≤0.1 mL/min	At rated pressure with air
Flow Coefficient (Cv)	1.2–25 Cv	Depends on size and internal geometry
Body Material	SS304/316	Corrosion resistance for gas serviceASTM A276
Seal Material	PTFE/FKM	Chemical compatibility and temperature ratingASTM D2000
Thread Standard	NPT/BSP	Must match mating pipe threadsASME B1.20.1 / ISO 228-1
Weight	0.2–5.5 kg	Varies with size and material
Surface Finish	Ra 0.8–3.2 μm	Smoother finish for sealing surfacesISO 1302

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Threaded Body Part
Provides the primary connection interface with mating threads

Material: Stainless Steel
Sealing Surface Part
Ensures leak-proof connection through compression or gasket interface

Material: Machined Metal
Hex Nut/Flange Part
Provides wrenching surface for installation and torque application

Material: Steel Alloy
Gasket Optional
The soft element that takes up surface irregularity where metal-to-metal contact alone would leak.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Gas Inlet Manifold

View system integration details

Manufacturers of Outlet Port Fittings

Manufacturer profiles associated with Outlet Port Fittings.

Sourcing Outlet Port Fittings from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What materials are outlet port fittings available in?

According to the directory, outlet port fittings are available in stainless steel, brass, and carbon steel. The body material grade for stainless steel is typically SS304/316, as listed in the parameters. Always confirm the specific material grade with the manufacturer for your application.

What is the operating pressure range for these fittings?

The directory lists an operating pressure range of 1.0 to 1.6 MPa. Verify the exact pressure rating for the specific fitting model and size with the supplier.

What thread standards are available?

The fittings can have NPT or BSP threads, conforming to ASME B1.20.1 and ISO 228-1 respectively. The connection size ranges from 1/4 to 2 inches. Ensure the thread standard matches your piping system.

How do I ensure a leak-proof connection?

Proper installation is key. Follow the manufacturer's torque specifications and ensure sealing surfaces are clean and undamaged. The fittings use gaskets or sealing surfaces that compress to prevent leakage. Regular inspection for wear or seal degradation is recommended. Always verify the leakage rate (≤0.1 mL/min at rated pressure) with the manufacturer.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Buyer enquiry

Request manufacturing insight for Outlet Port Fittings

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes: Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here: We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman: CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim: A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

pressure:	Up to 3000 psi (207 bar)
flow rate:	0-500 SCFM (0-850 m³/h)
temperature:	-40°C to 150°C
slurry concentration:	Up to 30% solids by weight

Outlet Port Fittings

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards