What are three patterns of plug valve design?

What are three patterns of plug valve design?
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Answer: Regular pattern, short pattern and ventury pattern.
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Related questions

What are inverted plug design valve?

Description : What are inverted plug design valve?

Last Answer : Answer: Plug valve with taper portion up of plug. For 8” and higher size.

Where plug type disc globe valve is used?

Description : Where plug type disc globe valve is used?

Last Answer : Answer: For severe regulating service with gritty liquids such as boiler feedwater and for blow off service.

What is dimensional standard for plug valve?

Description : What is dimensional standard for plug valve?

Last Answer : Answer: API 599.

What are eccentric plug valve?

Description : What are eccentric plug valve?

Last Answer : Answer: Off center plug, corrosive and abrasive service, on off action, moves into and away from seat eliminating abrasive wear.

What are permasil plug valve?

Description : What are permasil plug valve?

Last Answer : Answer: Plug valves with Teflon seat instead of sleeves, for on-off applications, can handle clean viscous and corrosive liquids, Graphite seat for high temperature applications. Drip tight shut off not possible.

What are Teflon sleeved plug valve?

Description : What are Teflon sleeved plug valve?

Last Answer : Answer: PTFE sleeve between plug and body of valve, low turning effort, minimum friction, temperature limitation, anti static design possible.

What is pressure balanced plug valve?

Description : What is pressure balanced plug valve?

Last Answer : Answer: With holes in port top and bottom connecting two chambers on top and bottom of plug, to reduce turning effort.

What are ventury pattern plug valve?

Description : What are ventury pattern plug valve?

Last Answer : Answer: Change of section through the body throat so graded to have ventury effect, minimum pressure loss.

What are short pattern plug valve?

Description : What are short pattern plug valve?

Last Answer : Answer: Valves with face to face dimension of gate valve, as a alternative to gate valve.

What is regular pattern plug valve?

Description : What is regular pattern plug valve?

Last Answer : Answer: Rectangular port, area almost equal to pipe bore, smooth transition from round body to rectangular port, for minimum pressure loss.

What is metal seated lubricated plug valve?

Description : What is metal seated lubricated plug valve?

Last Answer : Answer: A plug valve with no plastic material, where grease is applied to contacting surfaces for easy operation.

What are the uses of three-way valve?

Description : What are the uses of three-way valve?

Last Answer : Answer: Alternate connection of the two supply lines to a common delivery vise versa, isolating one safety valve, division of flow with isolation facility.

How to close a gate valve?

Description : How to close a gate valve?

Last Answer : Answer: Turn the hand-wheel in clockwise direction.

What is double disc globe valve?

Description : What is double disc globe valve?

Last Answer : Answer: Has two discs bearing on separate seats spaced apart, on a single shaft, for low torque, used for control valves.

Where WYE body globe valve is used?

Description : Where WYE body globe valve is used?

Last Answer : Answer: In line ports with stem emerging at 45 degree, for erosive fluids due to smoother flow pattern.

What are types of globe valve?

Description : What are types of globe valve?

Last Answer : Answer: Angle globe valve, plug type disc globe valve, WYE-body globe valve, composite disc globe valve, double disc globe valve.

What are characteristics of globe valve stem?

Description : What are characteristics of globe valve stem?

Last Answer : Answer: Always rising design, with disk nut at the lower end and handwheel at upper end.

What are globe valve disk types?

Description : What are globe valve disk types?

Last Answer : Answer: Flat faced type for positive shutoff, loose plug type for plug renewal or needle type for finer control.

What are globe valve port types?

Description : What are globe valve port types?

Last Answer : Answer: Full port: More than 85% of bore size, Reducer port: One size less than the connected pipe.

How to install a globe valve?

Description : How to install a globe valve?

Last Answer : Answer: Globe valve should be installed such that the flow is from the underside of the disk, Usually flow direction is marked on the globe valve.

What is needle valve?

Description : What is needle valve?

Last Answer : Answer: Full pyramid disc, same design as globe valve, smaller sizes, sw or threaded, flow control, disc can be integral with stem, inside screw, borged or barstock body and bonnet, manufacturers standard.

What is pinch valve?

Description : What is pinch valve?

Last Answer : Answer: Similar to diaphragm valve, with sleeves of rubber or PTFE, which get squeezed to control or stop the flow, Cast iron body, for very low service pressures like isolation of hose connections, manufacture standard.

What are uses of four way valve?

Description : What are uses of four way valve?

Last Answer : Answer: Reversal of pump suction and delivery, By pass of strainer or meter, reversal of flow through filter, heat exchanger or dryer.

What is float valve?

Description : What is float valve?

Last Answer : Answer: Used to control liquid level in tanks, operated by float, which rises with liquid level and opens the valve to control water level. It can also remove air from system, in which case, air flows ... valve, float inside valve raises to close the valve and stop flow of water. Used in drip legs.

What is foot valve?

Description : What is foot valve?

Last Answer : Answer: Valve used to maintain a head of water on the suction side of sump pump, basically a lift check valve with integrated strainer.

What is safety valve?

Description : What is safety valve?

Last Answer : Answer: Rapid opening (popping action) full flow valve for air and other gases.

What is relief valve?

Description : What is relief valve?

Last Answer : Answer: Valve to relieve excess pressure in liquids in situations where full flow discharge is not required, when release of small volume of liquid would rapidly lower pressure.

What are blow off valve?

Description : What are blow off valve?

Last Answer : Answer: It is a variety of globe valve confirming with boiler code requirements and specially designed for boiler blowoff service. WYE pattern and angle type, used to remove air and other gases from boilers etc.

What is sampling valve?

Description : What is sampling valve?

Last Answer : Answer: Usually of needle or globe pattern, placed in branch line for the purpose of drawing all samples of process material through the branch.

What is diverting valve?

Description : What is diverting valve?

Last Answer : Answer: This valve switch flow from one main line to two different outlets. WYE type and pneumatic control type with no moving part.

What is Quick acting valve?

Description : What is Quick acting valve?

Last Answer : Answer: Any on/off valve rapidly operable, either by manual lever, spring or by piston, solenoid or lever with heatfusible link releasing a weight which in falling operates the valve. Quick ... for water or for liquid service in general without a cushioning device to protect piping from shock.

What is Throttling valve?

Description : What is Throttling valve?

Last Answer : Answer: Any valve used to closely regulate flow in the just-open position.

What is Spiral sock valve?

Description : What is Spiral sock valve?

Last Answer : Answer: A valve used to control flow of powders by means of a twistable fabric tube or sock.

What is Slurry valve?

Description : What is Slurry valve?

Last Answer : Answer: A knife edge valve used to control flow of non-abrasive slurries.

What is Root Valve?

Description : What is Root Valve?

Last Answer : Answer: A valve used to isolate a pressure element or instrument from a line or vessel, or a valve placed at the beginning of a branch form the header.

What is Paper-Stock Valve?

Description : What is Paper-Stock Valve?

Last Answer : Answer: A single disc single seat gate valve (Slide gate) with knife edged or notched disc used to regulate flow of paper slurry or other fibrous slurry.

What is Hose Valve?

Description : What is Hose Valve?

Last Answer : Answer: A gate or globe valve having one of its ends externally threaded to one of the hose thread standards in use in the USA. These valves are used for vehicular and firewater connections.

What is Flap Valve?

Description : What is Flap Valve?

Last Answer : Answer: A non return valve having a hinged disc or rubber or leather flap used for low pressure lines.

What is Drip Valve?

Description : What is Drip Valve?

Last Answer : Answer: A drain valve fitted to the bottom of a droplet to permit blowdown.

What is Breather Valve?

Description : What is Breather Valve?

Last Answer : Answer: A special self acting valve installed on storage tanks etc. to release vapour or gas on slight increase of internal pressure (in the region of ½ to 3 ounces per square inch).

What is BlowDown Valve?

Description : What is BlowDown Valve?

Last Answer : Answer: Refers to a plug type disc globe valve used for removing sludge and sedimentary matter from the bottom of boiler drums, vessels, driplegs etc.

What is Bleed Valve?

Description : What is Bleed Valve?

Last Answer : Answer: Small valve provided for drawing off liquid.

What is BIBB Valve?

Description : What is BIBB Valve?

Last Answer : Answer: A small valve with turned down end, like a faucet.

What is Barstock Valve?

Description : What is Barstock Valve?

Last Answer : Answer: Any valve having a body machined from solid metal (barstock). Usually needle or globe type.

Where stop check valve is used?

Description : Where stop check valve is used?

Last Answer : Answer: In stem generation by multiple boilers, where a valve is inserted between each boiler and the main steam header. It can be optionally closed automatically or normally.

What are types of check valve?

Description : What are types of check valve?

Last Answer : Answer: Lift check valves and swing check valves.

What are butterfly valve types?

Description : What are butterfly valve types?

Last Answer : Answer: Double flange type, wafer lug type and wafer type.

What are two types of ball valve?

Description : What are two types of ball valve?

Last Answer : Answer: Full port design and regular port design, according to type of seat, soft seat and metal seat.

What are ball valve body types?

Description : What are ball valve body types?

Last Answer : Answer: Single piece, double piece, three piece, the short pattern, long pattern, sandwich and flush bottom design.

What are available valve operators?

Description : What are available valve operators?

Last Answer : Answer: Handlever, handwheel, chain operator, gear operator, powered operator likes electric motor, solenoid, pneumatic and hydraulic operators, Quick acting operators for non-rotary valves (handle lift).