Product Overview: Bently Nevada 3500/77M 176449-07
The Bently Nevada 3500/77M (Part Number: 176449-07) is a four-channel reciprocating cylinder pressure monitor designed for the 3500 Series Machinery Protection System. It provides continuous, high-resolution monitoring of cylinder pressure in reciprocating compressors and engines. The module accepts input signals from Bently Nevada approved pressure transducers, processes them in real-time, and compares the values against user-configurable alarm thresholds. It integrates seamlessly with System 1 software for advanced analysis and diagnostics, enabling precise detection of abnormal combustion, mechanical wear, and system inefficiencies.
Key Parameters
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada (a Baker Hughes business) |
| Series | 3500 Series |
| Model / Part Number | 3500/77M / 176449-07 |
| Product Type | Reciprocating Cylinder Pressure Monitor |
| Dimensions (H × W × D) | Monitor Module: 241.3 mm × 24.4 mm × 241.8 mm |
| I/O Module: 241.3 mm × 24.4 mm × 99.1 mm | |
| Weight | Monitor Module: Approx. 0.91 kg (2.0 lbs) |
| I/O Module: Approx. 0.20 kg (0.44 lbs) | |
| Channels | 4 independent pressure input channels |
| Input Signal | Bently Nevada approved pressure sensors (e.g., piezoelectric) |
| Measurement Range | 0 to 10,000 psi (0 to 68.9 MPa) |
| Power Supply | 24 VDC ± 10% |
| Operating Temperature | -30°C to +65°C (with I/O module) |
| Software Integration | Compatible with System 1 |
| Certifications | CE, RoHS compliant |
Typical Application Scenarios
This monitor is specifically engineered for the protection and condition monitoring of reciprocating machinery in harsh industrial environments. It is commonly found in the following applications:
Oil & Gas Industry: Monitoring cylinder pressure in natural gas compressors and other critical reciprocating equipment in refineries and pipelines to ensure safe and stable operation.
Power Generation: Used on reciprocating engines, compressors, and other generation equipment to monitor pressure and improve energy efficiency.
Chemical Industry: Monitoring pressure in chemical production processes to ensure safety and efficiency.
Manufacturing and Heavy Industry: Installed on large reciprocating machinery in production lines for real-time condition monitoring and fault detection.
Fault Diagnosis: Enables detailed analysis of pressure data to diagnose specific issues such as piston ring wear, valve faults, and abnormal combustion.
Global direct procurement guarantee
All products are purchased directly from overseas original manufacturers or authorized channels, 100% guaranteed genuine quality, sufficient spot inventory, and comprehensive model coverage
Quality Commitment
Each product has been tested by our technicians, providing 12-month long warranty, worry-free after-sales
Flexible procurement plan
- Bulk order enjoys Friendship discount (2 pieces or more can be applied)
- Long-term cooperative customers can apply for priority supply
Full service support
7×24 hours technical consultation, from selection guidance to installation and commissioning to provide full life cycle service (paid)
Why do so many customers choose us?
On the basis of the same quality, we provide:
- More competitive price system
- Faster logistics response
- More complete technical support (free product technical documentation)
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