BULLET COMPARATOR INSERTS 749000919 – Precision‑Engineered for Reliable Valve Testing
The Bullet Comparator Inserts 749000919 are the industry‑standard solution for accurate, repeatable valve performance testing in aerospace, automotive, and industrial applications. Designed with high‑strength alloy steel and a patented bullet‑type geometry, these inserts provide superior wear resistance, dimensional stability, and seamless integration with a wide range of comparator rigs and test stands.
Key Features & Benefits
- Exacting Tolerance Control: Machined to ±0.01 mm tolerance for consistent measurement repeatability.
- High‑Durability Material: 42CrMo4 alloy steel heat‑treated to 58 HRC for exceptional wear resistance even under high‑frequency testing cycles.
- Patented Bullet Design: Optimized flow path minimizes turbulence, delivering precise pressure drop readings and faster test cycles.
- Universal Compatibility: Engineered to fit standard 1‑inch and 1¼‑inch comparator housings, with optional adapter kits available.
- Corrosion‑Resistant Finish: Nitrided surface treatment provides protection against harsh test media, chemicals, and moisture.
- Easy Installation: Tool‑free snap‑fit design reduces setup time and eliminates the need for torque‑wrench calibration.
Technical Specifications
| Parameter | Specification |
|---|
| Part Number | 749000919 |
| Material | 42CrMo4 alloy steel (heat‑treated) |
| Dimensions (L×W×H) | 25 mm × 25 mm × 15 mm |
| Tolerance | ±0.01 mm |
| Hardness | 58 ± 2 HRC |
| Surface Treatment | Nitrided (HVOF coating optional) |
| Operating Temperature Range | ‑40 °C to +250 °C |
| Pressure Rating | Up to 30 bar (435 psi) |
Why Choose the 749000919 Bullet Comparator Insert?
When accuracy and durability are non‑negotiable, the Bullet Comparator Inserts 749000919 stand out as the go‑to component for engineers and testing laboratories. Their robust construction ensures a long service life, reducing downtime and maintenance costs. The streamlined bullet geometry delivers consistent flow characteristics, enabling more reliable valve performance data and faster product development cycles.
Typical Applications
- Valve seat leakage testing for aerospace propulsion systems
- Fuel injector flow‑rate verification in automotive R&D
- Hydraulic valve diagnostics in heavy‑equipment manufacturing
- Quality‑control inspections for industrial pressure‑regulating devices
- Research & development labs requiring high‑precision fluid dynamics measurements
Installation & Maintenance Guidelines
- Inspect the insert for any visible damage before installation.
- Align the bullet tip with the flow direction of the comparator housing.
- Snap the insert into place; ensure a firm, flush fit.
- After each test cycle, clean the insert with a lint‑free cloth and a mild solvent.
- Re‑apply a light coat of anti‑corrosion spray if the insert will be stored for extended periods.
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Upgrade your testing accuracy and reliability today with the Bullet Comparator Inserts 749000919.
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