HVAC Fittings Manufacturer And Supplier
HVAC stands for Heating, Ventilation, and Air Conditioning. HVAC fittings are components used to connect tubing and pipes in heating, ventilation, and air conditioning systems. Fittings help join tubing and adapt connections, and tube bends help route lines through the equipment. The term also covers related components supplied for refrigeration systems. Refrigeration is not included in the literal expansion of HVAC. HVAC/R and HVACR are used when including refrigeration.
We manufacture and supply HVAC fittings based on customer requirements and drawings. Our custom HVAC products include brass flare fittings, brass flare unions, adapters, couplings, brass flare nuts, copper tube bends, and refrigeration access valves. For our HVACR products, we use brass and copper grades according to customer requirements.
We support prototypes, as well as medium- to high-volume repeat orders. We supply fittings to customers in the USA, Asia and across European markets, including Germany, France, Spain, the Czech Republic, the Netherlands, the UK, and Italy.
Send Your Drawing for a HVAC Fittings QuoteOur HVAC Fittings Product Range
Brass Flare Fittings
Brass Flare Fittings are used in refrigeration and HVAC systems to connect flared tubing to compatible fitting seats. Common brass flare fittings are straight adapters and connectors, unions, elbows, tees, caps, and plugs.
For more details, visit our Brass flare fittings product page.
Brass Flare Nuts
A flare nut holds the formed end of a flared tube against the matching fitting seat. Common flare nut types are short flare nuts, long flare nuts, and reducing flare nuts.
For more details, visit our Brass flare nuts product page.
Refrigeration Access Valves
Refrigeration access valves provide a service connection to the refrigerant circuit. Common connection sizes for refrigeration access valves are 1/4 and 5/16 inch; the connection type must also be specified.
For more details, visit our Refrigeration access valve product page.
Copper Tube Bends
Copper tube bends route tubing through HVAC and refrigeration assemblies. We manufacture custom copper tube bends according to customer requirements.
For more details, visit our Copper tube bends product page.
HVAC Fittings Specifications & Capabilities
| Item | Specification |
|---|---|
| Material | Brass and copper grade according to customer drawing. |
| Product Types | Brass flare Fittings, custom Copper tube bends, refrigeration access valves, brass flare nuts |
| Surface Finish | Natural brass, tin plating, nickel plating, tumbled finish, and customer-specified finishes |
| Tolerance | General tolerance ±0.10 mm, tighter tolerances according to drawing. |
| Inspection | Dimensional and thread inspection according to drawing requirements, using calipers, thread gauges, and other suitable measuring equipment |
| Material Certification | Available on request according to order requirements |
| Drawing Formats | STEP, PDF, DXF, DWG, and customer-specified formats |
| Packaging | Poly bags, boxes, master cartons, pallets, and custom packaging |
| MOQ | Based on part geometry, material, tooling, quantity, and production requirements |
| Lead Time | According to quantity and production requirements |
| Tooling Ownership | All tooling are customer-owned Tooling is never reused for other customers |
HVAC and Refrigeration Applications
HVAC and refrigeration systems may use copper tube bends, refrigeration access valves, brass flare fittings, and brass flare nuts at different points in the refrigerant circuit, depending on the equipment design.
Equipment and Systems
Custom copper tube bends, brass flare fittings and refrigeration access valves used in air conditioning systems, heat pumps, rooftop units, condensing units, chillers, and refrigeration systems, depending on the equipment design.
Lines and Assemblies
| Application | Applicable Parts |
|---|---|
| Evaporator and condenser connections | Copper tube bends for coil return sections |
| Suction and liquid lines | Copper tube bends for particular tubing routes; access valves at designated service points |
| Compressor connections | Copper tube bends for particular suction and discharge piping |
| Flared refrigerant tubing connections | Brass flare fittings |
| Defrost line assemblies | Copper tube bends where supported by the equipment design and product specifications |
| OEM equipment assembly | Custom copper tube bends, access valves, flare fittings and nuts as specified by the equipment drawing |
HVAC Fittings FAQs
1. What are the different types of HVAC fittings?
Common HVAC refrigerant-line components include copper tube bends, elbows, tees, couplings, reducers, flare fittings, flare nuts, and service access valves.
2. What is HVAC in plumbing?
HVAC stands for heating, ventilation, and air conditioning. In plumbing work, HVAC piping includes refrigerant lines, hydronic hot-water and chilled-water pipes, and condensate drains. Building water-supply pipes and waste-drainage pipes follow separate plumbing requirements.
3. How many types are in HVAC?
There is no single fixed count. Common HVAC configurations include split systems, ductless mini-splits, packaged units, central chilled-water systems, VRF systems, heat-pump systems, and geothermal systems.
4. What are the three types of HVAC?
Heating, ventilation, and air conditioning are the three core functions of HVAC. They describe what the system does, not three equipment types.
5. What is VRF in HVAC?
VRF stands for variable refrigerant flow. A VRF system connects an outdoor refrigerant system to multiple indoor units and adjusts refrigerant flow to match the heating and cooling demand in different zones.
6. How do bends, elbows, tees, and valves affect refrigerant line sizing?
Bends, elbows, tees, and valves add flow resistance and pressure drop. A tee creates different losses for straight-through flow and branch flow.
7. How should engineers select HVAC fittings for high-pressure refrigerants?
Check the system design pressure, expected operating temperatures, and refrigerant specification. Select tubing, bends, fitting bodies, nuts, valves, and service ports with working-pressure ratings suitable for those conditions. Confirm material compatibility with the refrigerant and compressor oil.
Request a HVACR Fittings Quote
To request a quotation for HVAC fittings, please send your drawing along with RFQ details.
Please include:
- Material specification
- Required quantity (one-time, repeat, & blanket order)
- Critical dimensions and tolerance requirements
- Required delivery timeline
- Shipping terms (EXW, DAP, DDP)
Send your RFQ and drawings to receive a quotation with pricing and indicative lead time.
Send Your Drawing for a HVACR Fittings Quote

