Key facts
- Brand
- GE Oil & Gas
- Model
- 77000 Series
- Category
- Industrial Supply
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2026-11-05
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GE Oil & Gas Masoneilan 77000 Series Axial Flow Labyrinth Trim Control Valve Instruction Manual
This document serves as an instruction manual for the Masoneilan 77000 Series Axial Flow, Labyrinth Trim Control Valves, which are part of GE's severe service portfolio. It provides project-specific reference information alongside standard operation and maintenance procedures, assuming operators have a general understanding of safe equipment operation in hazardous environments.
Read onlineGE Oil & Gas 77000 Series specifications
| Flow Range | 50:1 |
|---|---|
| Flow Characteristic | Linear |
| Seat Leakage Rating | IEC 534-4 and ANSI/FCI 70.2 Class V |
| Sizes | 1-inch to 8-inch (DN 25 to 200) |
| Ratings | ANSI Class 600 to 2500 |
| End Connections | RF Flange, RTJ Flange, BWE, SWE |
Source: GE Oil & Gas Masoneilan 77000 Series High-Pressure Labyrinth Trim Control Valve Product Leaflet
All GE Oil & Gas 77000 Series documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What are the benefits of the Masoneilan 77000 Series valve?
It provides high-pressure, compressible fluid control without the erosion, vibration, and high noise associated with conventional control valves.
From: GE Oil & Gas Masoneilan 77000 Series High-Pressure Labyrinth Trim Control Valve Product Leaflet
How does the valve eliminate cavitation?
The multi-stage trim design reduces the pressure drop in smaller increments without allowing the local pressure at each stage to drop below the fluid vapor pressure.
From: GE Oil & Gas Masoneilan 77000 Series High-Pressure Labyrinth Trim Control Valve Product Leaflet
What is the estimated useful life of this control valve?
The current estimated useful life period for the Masoneilan 77000 Series control valve is 25+ years.
From: GE Oil & Gas Masoneilan 77000 Series Axial Flow Labyrinth Trim Control Valve Instruction Manual
What type of valves are covered by these instructions?
These instructions apply specifically to the 77000 Series Axial Flow, Labyrinth Trim Control Valves and do not apply for other valves outside of this product line.
From: GE Oil & Gas Masoneilan 77000 Series Axial Flow Labyrinth Trim Control Valve Instruction Manual