It may very well be a gate valve of sorts but built in a much different way then a typical gate valve.
Natural gas gate valve.
I d be curious myself gas utility distribution is out of my realm of expertise.
The design of the valve allows for a tight shutoff in services with solids in suspension.
Fisher types c471 and c477 jet bleed internal valves.
Plus various lubricant guns are available for efficient and controlled plug valve lubrication.
China gas gate valves catalog of class150 3000 api ansi standard gas flat gate valve for natural fuel gas provided by china manufacturer wenzhou kmo fluid equipment co ltd page1.
Builds pressure up to 10 000 lbs.
Handles the heaviest plug valve lubricant sealants.
R 42 packless globe valves.
The external valve stem threads prevent contamination from flow media.
Locking device locking devices can be fitted onto wrench valves.
A padlock and key is then used to.
Usually on large gas lines i see plug valves and diaphragm valves.
View datasheet ss lug style knife gate valve series 20 from bi torq valve automation.
The fisher 119ez and 119ezs fuel gas valves address operational inefficiencies and improve process safety for today s challenging oil and gas burner conditions.
The series 20 knife gate is a uni directional all stainless steel lug style valve designed for industrial service applications.
Natural gas gate valves.
Standard welding practices apply.
It is because of their potential to cut through liquids that they find.
Even today gate valves are frequently specified for liquid pipelines and ball valves are specified for gas pipelines.
Natural gas propane landfill gas etc.
Hermetic bellows stem seal.
Across the global oil and gas industry gate valves are primarily used to permit or prevent the flow of liquids.
Tim should be able to say for sure.
Full opening with no significant pressure drop lowest operating torque in the industry.
Kerotest produces natural gas and steam gate valves.
Directional solidification weld ends meeting rigid code requirements.
No gland tightening lubrication or adjustment of any kind.