DELPHI FITTINGS
Product Overview
90° adapter elbow connecting a female BSPP port (using bonded seal) to a female BSPT port (seal on threads). This product is supplied for BSPP threaded hydraulic and fluid-transfer connections when the correct configuration, material, and mating components have been selected.
Key Features & Specifications
| Material | High-Grade Carbon Steel (12L14 / 1144 / 1045 Forging) |
|---|---|
| Surface Finish | Trivalent Zinc Electroplating (ASTM B633 Type II / Fe/Zn 8), 360+ Hours Salt Spray to White Rust (ASTM B117) |
| Operating Temperature | -65°F to +250°F (-54°C to +121°C) with standard Buna-N seals / NBR; up to +400°F (+204°C) with optional Viton (FKM) |
| Thread Standard | BSPP (G) Parallel Pipe Thread per ISO 228-1, BS 5200 |
| Sealing Mechanism | Form E Captive ED Seal / Bonded Washer (Dowty) / 60° Inverted Cone |
| Media Compatibility | Petroleum-based hydraulic fluids, mineral oils, water-glycol, fuel, and synthetic lubricants |
| Manufacturing Standards | ISO 9001:2015 certified quality management with lot traceability |
Commonly Available Sizes (Part #9057 Series)
Delphi Fittings manufactures standard and custom dash sizes for Part 9057. Engineering specifications, dimensions, and thread/flange sizes are detailed below:
| Delphi Part # | Nominal Thread Size | Thread Pitch / Standard | Body Hex Size | Sealing Interface |
|---|---|---|---|---|
| 9057-02 | 1/8"-28 | 1/8"-28 BSPP | 14 mm | BS 5200 60° Cone / Bonded Seal |
| 9057-04 | 1/4"-19 | 1/4"-19 BSPP | 19 mm | BS 5200 60° Cone / Bonded Seal |
| 9057-06 | 3/8"-19 | 3/8"-19 BSPP | 22 mm | BS 5200 60° Cone / Bonded Seal |
| 9057-08 | 1/2"-14 | 1/2"-14 BSPP | 27 mm | BS 5200 60° Cone / Bonded Seal |
| 9057-12 | 3/4"-14 | 3/4"-14 BSPP | 32 mm | BS 5200 60° Cone / Bonded Seal |
| 9057-16 | 1"-11 | 1"-11 BSPP | 41 mm | BS 5200 60° Cone / Bonded Seal |
| 9057-20 | 1-1/4"-11 | 1-1/4"-11 BSPP | 50 mm | BS 5200 60° Cone / Bonded Seal |
| 9057-24 | 1-1/2"-11 | 1-1/2"-11 BSPP | 55 mm | BS 5200 60° Cone / Bonded Seal |
| 9057-32 | 2"-11 | 2"-11 BSPP | 70 mm | BS 5200 60° Cone / Bonded Seal |
Need non-standard dash sizes, special step-down combinations, alternative port configurations, or special material grades (AISI 316 Stainless / Brass)? Delphi manufactures custom components to client blueprints.
Specific Applications & Hydraulic Circuit Routing
Part 9057 fittings provide reliable fluid power conveyance in demanding mobile and stationary equipment circuits:
- European & Japanese Mobile Equipment: Widely utilized in hydraulic excavators, wheel loaders, and agricultural tractors manufactured to British and European fluid power standards.
- Industrial Hydraulic Power Units: Direct port connection into European-manufactured hydraulic pump discharge manifolds, proportional control valves, and filter housings.
- Marine & Offshore Steering Systems: Resistant to aggressive marine atmospheres with heavy trivalent zinc plating, delivering dependable port sealing under constant mechanical vibration.
- Injection Molding & Heavy Machine Tools: Enables leak-free high-duty cycle hydraulic routing for clamping cylinders, accumulators, and central lubrication networks.
Installation & Assembly Guidance
- Clean & Inspect Sealing Face: Ensure the mating BSPP port surface is flat, clean, and free of burrs or scoring that could compromise the bonded washer or Form E seal.
- Verify Seal Placement: Check that the captive ED ring or Dowty bonded washer is properly concentric and seated flat against the fitting shoulder prior to engagement.
- Hand-Thread to Finger Tight: Engage the BSPP male threads cleanly into the female port until the seal gently contacts the port face, avoiding cross-threading.
- Torque to Engineering Specification: Using a calibrated torque wrench, tighten the hex body to the recommended torque value for the dash size. Never over-torque, which can deform the elastomer ring.
Why Source Part 9057 from Delphi Fittings?
- Precision CNC Machining: Every Part 9057 is manufactured on multi-axis CNC turn-mill machining centers from solid cold-drawn barstock, guaranteeing thread precision and perpendicular sealing shoulders.
- ASTM B117 Superior Corrosion Resistance: All Delphi steel fittings receive premium trivalent zinc plating exceeding 360 hours to white rust under salt spray testing, far outlasting standard commercial plating.
- 100% Optical & Thread Gauge Inspection: Thread pitch diameters, runout tolerances, and sealing surfaces are verified using hardened Go/No-Go calibrated thread gauges and optical vision sorting.
- OEM Container-Load & Stocking Support: Factory-direct pricing from our ISO 9001:2015 certified Yuhuan facility with full Mill Test Reports (MTR) and custom packaging for North American distributors.
Get a Quote for Part 9057 - BSPP Male x BSPT Male 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 9057 in hydraulic valve manifolds, power units, and industrial fluid power circuits:
