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The difference is "soft seated" or "metal seated". Soft seated valves are used in gas applications were any leakage is absolutely not tolerated. The materials used are Teflon or ceramic. Metal seated valves can have very tight shut-off, it all depends on the coating, pressure in the line, and the lapping of the surfaces.
What else can I help you with?
What is the difference between API 6FA and API 607?
Both deal with valves. API6FA is for API 6A and 6D. API607 applies to soft-seated, quarter-turn valves.
What is the difference between ANSI and BS standards?
ANSI valves are based on American National Standards Institute Standards. For example, ANSI 16.34 refer to steel valves. BS valves are based on British Standards. For example, BS1212 refer to ball valves excluding floats.
What is the use of valve spring?
Valve springs keep valves firmly seated in the socket.
How can YOU identify a two stroke or four stroke engine by seeing it?
if you see the difference between valves
What is difference between valve and port?
valves are use in four stroke engine, and ports are use in two stroke engine.
What is the difference between double-seated and single-seated ball valve?
Double seated ball valves will hold pressure from either end whereas single seated will only hold pressure rating from one end.
What is the difference between API 6FA and API 607?
Both deal with valves. API6FA is for API 6A and 6D. API607 applies to soft-seated, quarter-turn valves.
What is the difference between the valves in your heart?
Some valves lie between the atria and some valves lie between the atrium and the ventricle
What is the difference between smart valve and other gas valves?
Smart valves produce gas faster
What is the difference between API 600 and API 602 valves?
The main difference between API 600 and API 503 valves is their port diameter. Also, the pressure testing between the two is different as well.
How can you diagnose poorly seated valves?
Run a compression test. If the valves are properly seating, the compression will be up.
What is the main difference between Schrader and Presta valves used in bicycle tires?
The main difference between Schrader and Presta valves used in bicycle tires is their size and design. Schrader valves are wider and more common, while Presta valves are narrower and require a separate adapter for inflation.
Does the 1998 Lincoln continental have aluminum heads?
Yes, 4 Valves per cylinder, and the spark plugs are located at the top of the cylinder head, through the valve cover and are seated between the 4 valves.
What is the difference between poppet valves and spool valves in paintball?
ANSWER:Watch this video: http://www.youtube.com/watch?v=EXfzQla0D_E
What is the difference between ANSI and BS standards?
ANSI valves are based on American National Standards Institute Standards. For example, ANSI 16.34 refer to steel valves. BS valves are based on British Standards. For example, BS1212 refer to ball valves excluding floats.
What is the use of valve spring?
Valve springs keep valves firmly seated in the socket.
Is there a difference between liquid check valves and gas check valves?
Yes, there is a difference between liquid check valves and gas check valves. Liquid check valves are designed to prevent backflow in liquid systems, while gas check valves are used in gas systems to control the flow direction of gases. Although they both serve the purpose of preventing backflow, their designs may vary to accommodate the specific properties of liquids and gases.
