Summary test report: Walworth, Bolted-Bonnet, Solid-Wedge Gate Valve METC SOA Test Valve No. A-20 state-of-the-art Lockhopper Valve-testing and Development Project
Technical Report
·
OSTI ID:6446073
The Walworth, Bolted-Bonnet, Solid-Wedge Gate Valve (METC SOA Test Valve No. A-20) performed well in testing with clean gases. In testing with limestone solids, the bonnet and body cavities tended to pack tight with solids. Also, solids were being caught between the gate and seats when the valve closed. Modifications to the purge system virtually eliminated accumulations of solids in the bonnet and reduced the frequency of solids being caught between the gate and seats. After a total of over 6000 test-valve cycles, the valve jammed as a result of particles trapped between the gate and seats. Freeing the gate required heating the valve body and applying over 100 times the normal operating force.
- Research Organization:
- Department of Energy, Morgantown, WV (USA). Morgantown Energy Technology Center
- DOE Contract Number:
- AM21-80MC14522
- OSTI ID:
- 6446073
- Report Number(s):
- DOE/MC-170; ON: DE81025182
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010404* -- Coal
Lignite
& Peat-- Gasification
COAL GASIFICATION
COAL GASIFICATION PLANTS
CONTAINERS
CONTROL EQUIPMENT
DATA
EQUIPMENT
EXPERIMENTAL DATA
FLOW REGULATORS
GASIFICATION
HOPPERS
INDUSTRIAL PLANTS
INFORMATION
NUMERICAL DATA
PERFORMANCE TESTING
TEST FACILITIES
TESTING
THERMOCHEMICAL PROCESSES
VALVES
010404* -- Coal
Lignite
& Peat-- Gasification
COAL GASIFICATION
COAL GASIFICATION PLANTS
CONTAINERS
CONTROL EQUIPMENT
DATA
EQUIPMENT
EXPERIMENTAL DATA
FLOW REGULATORS
GASIFICATION
HOPPERS
INDUSTRIAL PLANTS
INFORMATION
NUMERICAL DATA
PERFORMANCE TESTING
TEST FACILITIES
TESTING
THERMOCHEMICAL PROCESSES
VALVES