• Butterfly Valve Grooved with Tamper Switch System 1
  • Butterfly Valve Grooved with Tamper Switch System 2
  • Butterfly Valve Grooved with Tamper Switch System 3
Butterfly Valve Grooved with Tamper Switch

Butterfly Valve Grooved with Tamper Switch

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Loading Port:
Shanghai
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TT OR LC
Min Order Qty:
10 set
Supply Capability:
10000 set/month

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1. Butterfly Valve Description

A butterfly valve is a valve which can be used for isolating or regulating flow. The closing mechanism takes the form of a disk. Operation is similar to that of a ball valve, which allows for quick shut off. Butterfly valves are generally favored because they are lower in cost to other valve designs as well as being lighter in weight, meaning less support is required. The disc is positioned in the center of the pipe, passing through the disc is a rod connected to an actuator on the outside of the valve. Rotating the actuator turns the disc either parallel or perpendicular to the flow. Unlike a ball valve, the disc is always present within the flow, therefore a pressure drop is always induced in the flow, regardless of valve position.

2.Main Features of the Butterfly Valve 

(1) 90° movement for full open/close position. 

(2) Excellent control characteristics.Tight shut-off even after innumerable operations.

(3) Installation cost considerably reduced because of very low weight and compact design.

(4) Longer life and reliable service with minimum component wear.

(5) Renewable seats. No supplementary gasket required with the adjacent pipework.

(6) Body & Stem totally protected from service fluid.

3. Butterfly Valve Images

 

Butterfly Valve Grooved with Tamper Switch

Butterfly Valve Grooved with Tamper Switch

Butterfly Valve Grooved with Tamper Switch

4.Butterfly Valve  Specification:

BODY

DISC

STEM

SEAT

BUSHING

MATERIAL

WORKING PRESSURE

CAST IRON

DUCTILE IRON WITH NICKEL PLATED

CARBON

STEEL

NR

-20-+85

LUBRIZED

BRONZE

DUCTILE

IRON

ALUMINUM BRONZE

STAINLESS
STEEL

HYPALON

-18-+135

INSTANTANEOUS

-18-+149

PTFE

ALUMINUM
BRONZE

STAINLESS STEEL

EPDM

-45-+135

INSTANTANEOUS

-50-+150

CARBON

STEEL

CARBON
STEEL

NEOPRENE

-7-+193

INSTANTANEOUS

-7-+107

STAINLESS STEEL

NBR

-12-+82

INSTANTANEOUS

-12-+93

WEAR-RESISTANT RUBBER

-10-+50

VITON

-23-+150

HEAT-RESISTANT RUBBER

-20-+150

PTFE

+10-+150

 5.FAQ

1. What is manual wafer butterfly valve?

 Wafer style is the more common of the two and is less expensive than the lug style. The wafer style butterfly valve is just about the standard. It ís so common that no one even bothers to use the word "wafer" when ordering a butterfly valve. It is taken for granted that if a butterfly valve is ordered, a wafer style will be received.

 2. How about the Installation of the Wafer Style Butterfly Valve?

Butterfly valves are installed by inserting the valve between two flanges using bolts or studs and nuts to hold it all together. This type of installation, of course, makes it impossible to disconnect just one side of the piping system from the valve. That benefit is received using the lug style valve.

 3. What is the working principle of manual wafer butterfly valve?

 A butterfly valve is from a family of valves called quarter-turn valves. In operation, the valve is fully open or closed when the disc is rotated a quarter turn. The "butterfly" is a metal disc mounted on a rod. When the valve is closed, the disc is turned so that it completely blocks off the passageway. When the valve is fully open, the disc is rotated a quarter turn so that it allows an almost unrestricted passage of the fluid. The valve may also be opened incrementally to throttle flow.

Q:I need a valve cover gasket replacement because mine is leaking a tremendous amount of oil. The mechanic says it will cost about $269.00 plus tax. I wanted to make sure this figure was the average since I do not know a lot about cars. My car is a Mitsubishi Diamante 2001.
The gasket set is probably $ 20, so double that to $ 40..... 270 - 40 is 230, divided by 2 man-hours, which is the usually dealership minimum, gives $ 115 an hour. I DON'T THINK SO !!!! Unless you live in Hawaii where everything is expensive, that sounds steep.... real steep. Dealers around here get like $ 85 an hour, so two hours is 170, plus 40 is 210 bucks; Still killer money for the dealer..... I'd question that estimate ask if there is some extraordinary challenge to working on your car. It is possible there are accessories mounted over the valve cover that will have to be moved, or that's it's a canted V-6 with one valve cover tucked up against the fire wall. Be nice, smile, ask questions.... Maybe even have someone show you what has to be moved on your engine to get at the valve cover(s). If you're going to pay that much $$$, you should learn something, also.
Q:what are the step i need to do so i can change the valve seals my truck has been smoky.,,, any websites i want todo it myself... 1989 chevy silverado 2500 350 engine 5.7L
First find out if that is the issue. Do a wet/dry compression on all the cylinders. That is where you do a compression test on all the cylinders and write them down. Then squirt about three pumps of oil from a oil can into each cylinder and retake the compressions. If the compressions don't change and are low, the valves are burnt and you need a valve job. If the compressions go way up after the oil seals the rings, then the piston rings are bad and the engine needs rebuilding and that may be where the oil smoke is coming from. If all the cylinders are within 20 psi and runs good, then it may be your valve guide seals are bad. You can replace them without pulling the heads. You can go to an auto parts store and buy a valve spring compressor that is used while the head is on the block. It has an air fitting that screws down into the spark plug hole and when filled with compressed air, holds the valves up while you remove the spring and replace the valve guide seal.
Q:Butterfly valve model D373F-16C, ask God answers
D butterfly valve, 3 turbo rotating, 7 pairs clip type, 3 eccentric F PTFE seal, 16 nominal pressure 1.6MPA, C valve body material, carbon steel
Q:Fire signal butterfly valve what role?
Signal butterfly valve should be human action monitoring alarm, once closed, that is, to the system alarmYou ask the two time, I answer two times, you give two points
Q:What type of valve does the butterfly valve D343X DN300 represent?
D- butterfly valve, 3- worm drive, 4- flange connection, 3- three eccentric, X- soft seal, DN300- nominal size is 300, the full name is 300 of the three eccentric butterfly valve, and I hope to help you.
Q:The difference between gate valve and butterfly valve, as well as cut-off valve, what are their applicable conditions? Advantages and disadvantages?
The gate valve is one of the simplest valves. Generally manual, most of the electric valve failure, as a manual. Butterfly valve is more, I saw the pneumatic butterfly valve, that is, with gas control closed, general and solenoid valve matching.
Q:The water supply pipe is the gate valve And on the cross dry pipe are the gate valve? To answer the 30
1, this is a good question, it seems that this has not yet made a unified standard requirements, a bit confused2, personal understanding of fire water supply pipe, pipe shall be installed on the valve, because the valve is fully open all closed features of fire control system is usually required is fully open, easy management features are obvious.3, fire water supply system is also useful to butterfly valve, but mainly signal butterfly valve.The signal butterfly valve is generally installed in two parts: floor level, dry pipe, flow indicator front end, trunk pipe, wet alarm valve, front end.Floor level pipe installation is a function of the signal valve, when the floor spraying system needs repair, close the valve, open the end of the floor drain, emptying the water in the spray system, maintenance; two is the sprinkler system is not allowed inside water, when the butterfly is closed, will transmit a signal to the the fire alarm system, fire alarm system receives a monitoring signal (so called signal butterfly valve), fire sprinkler system that the floor is anhydrous state, fast repair.Wet alarm valve at the front of the signal butterfly valve with the main floor of the main role of the butterfly valve, first, maintenance, and two is the prompt sprinkler system, there is a signal butterfly valve closed, should be repaired as soon as possible.
Q:Have an iron block, aluminum heads, solid roller lifters, Jessel rocker shafts, what should my valve clearances be cold, and hot??
On solid lifters tappy is happy I don't have a manual here, but if you need to get it going now that phrase will help you.
Q:i was changing valve seals and two dropped i can see the head of the valve but a magnet wont pull them up i put air the spark plug hole too but no luck 1985 ford bronco II
Your going to have to pull the heads.
Q:What is the difference between turbine butterfly valve and flanged butterfly valve?
Their models are different, the structure is different, they are the main driving part, different worm gear and straight rod distinguish, all belong to the flange valve.

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