DELPHI FITTINGS
Product Overview
The Delphi Fittings Part 1804 (also referenced as NB6892) is a 90° elbow flange head adapter, specifically engineered for high-pressure hydraulic systems. This fitting creates a secure, right-angle connection between a SAE Code 62 (heavy-duty) flange port and a JIC (37° flare) hydraulic line. It features a Code 62 flange head with an O-ring groove on one end, and a male JIC 37° flare on the other, with the two ends oriented at a 90-degree angle. This adapter is designed for use with a Code 62 split flange kit (two halves, high-strength bolts, and washers) or a captive flange, which clamp the flange head to the port face, compressing the O-ring for a superior, leak-proof seal. The male JIC end allows for straightforward connection to female JIC swivel fittings on hydraulic hoses or tubes. Manufactured from high-quality carbon steel and zinc-plated for enhanced corrosion resistance, this adapter conforms to SAE J518 (Code 62 flange) and SAE J514 (JIC) standards, ensuring reliability in the most demanding hydraulic environments that require a 90-degree directional change at the flange connection.
Key Features & Specifications
| Material | High-Grade Carbon Steel |
|---|---|
| End 1 Configuration | Male 37° JIC Flare (conforming to SAE J514 / ISO 8434-2) |
| End 2 Configuration | SAE Code 62 Flange Head (Heavy Duty) (conforming to SAE J518 / ISO 6162-2) |
| Angle | 90 Degrees |
| Body Style | 90° Elbow Flange Head Adapter, typically forged for strength, with hex or flats for orientation during installation. |
| Sealing Mechanism | JIC End: Achieves a metal-to-metal seal on the 37° flare cone. Flange End: Utilizes an elastomeric O-ring (seated in the groove on the flange head) which compresses against the flat face of the mating Code 62 port, secured by a split or captive flange kit. |
| O-Ring Material (for Flange end) | Typically Buna-N (Nitrile) 90 Durometer as standard. Viton® (FKM) or other materials available upon request for specific fluid or temperature compatibility. The O-ring is supplied with the fitting. |
| Plating & Finish | Cr3+ Trivalent Zinc Clear (ASTM B117 salt spray tested) |
| Reference Standard | SAE J518 / ISO 6162 (4-Bolt Flange Connection Standard) |
Commonly Available Sizes (Part #1804 Series)
Delphi Fittings manufactures standard and custom dash sizes for Part 1804. Engineering specifications, dimensions, and thread/flange sizes are detailed below:
| Delphi Part # | End 1 Specification | End 2 Specification | Hex / Flange Size |
|---|---|---|---|
| 1804-08-08 / NB6892-08-08 | 1/2" (-08) JIC Male | 1/2" (-08) Code 62 Flange | Standard |
| 1804-10-10 / NB6892-10-10 | 5/8" (-10) JIC Male | 5/8" (-10) Code 62 Flange | Standard |
| 1804-12-12 / NB6892-12-12 | 3/4" (-12) JIC Male | 3/4" (-12) Code 62 Flange | Standard |
| 1804-16-16 / NB6892-16-16 | 1" (-16) JIC Male | 1" (-16) Code 62 Flange | Standard |
| 1804-20-20 / NB6892-20-20 | 1-1/4" (-20) JIC Male | 1-1/4" (-20) Code 62 Flange | Standard |
Need non-standard dash sizes, custom flange drops, special port configurations, or alternative material grades (AISI 316 Stainless / Brass)? Delphi manufactures custom components to client blueprints.
Specific Applications & Hydraulic Circuit Routing
Part 1804 fittings provide reliable fluid power conveyance in demanding mobile and stationary equipment circuits:
- High-Flow Pump & Motor Outlets: Large-bore fluid conveyance on main pump manifolds, hydraulic motors, and industrial power units utilizing Part 1804.
- Severe Shock & Pressure Pulsation: Distributes mechanical clamping force across four high-tensile bolts to eliminate fitting fatigue and leakage.
- Heavy Equipment Hydraulic Mainlines: Heavy construction, marine winches, and industrial presses requiring robust 4-bolt flange interfaces.
Installation & Assembly Guidance
- Flange Face & O-Ring Seating: Verify the captive O-ring is lightly lubricated and seated cleanly in the flange head groove.
- Cross-Pattern Bolt Tightening: Snug all four Grade 8 / 10.9 bolts finger-tight, then tighten progressively in a diagonal crossover pattern.
- Torque Specification Adherence: Torque bolts evenly to SAE J518 specifications to ensure parallel clamping without cocking the flange halves.
- Inspection & Retorque: Check split flange gap clearance to ensure equal spacing between clamp halves and port face.
Why Source Part 1804 from Delphi Fittings?
- Strict Dimensional Precision: CNC machined to exacting tolerances for 100% interchangeability with North American and international systems.
- ASTM B117 Salt Spray Corrosion Protection: Electroplated with eco-friendly Cr3+ trivalent zinc clear for extended service life in harsh operating environments.
- 100% Thread & Seal Inspection: Every production batch undergoes strict optical and mechanical gauge inspection before packaging.
- Factory-Direct OEM Supply: Direct manufacturer pricing, full mill test reports (MTR), and ISO 9001:2015 quality assurance from Yuhuan, China.
Get a Quote for Part 1804 - 37° JIC Male x Code 62 Flange 90° Elbow
Direct OEM container-load and distributor replenishment pricing, complete material test reports (MTR), and inspection samples available upon inquiry. Connect with our engineering sales team for rapid quotations and delivery schedules.
Complementary & Mating Hydraulic Fittings
Commonly paired with Part 1804 in hydraulic valve manifolds, power units, and industrial fluid power circuits:
