Ball Valve Flanged End with Direct Mounting Pad DIN PN16/PN40 2PC

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1. Manual Wafer 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 Manual Wafer Butterfly Valve 

a)Cast hole. Flange connection meet ANSI 125/150#   DIN PN10/16   BS4504 PN10/16 in the meanwhile.

 

b)Soft seat. Replaceable. Increase of service life.

 

c)Double half shaft without pin.

 

d) Square and short neck. Easy to stick scutcheon and cost saving.

 

3. Manual Wafer Butterfly Valve Images

 

Ball Valve Flanged End with Direct Mounting Pad DIN PN16/PN40 2PC

Ball Valve Flanged End with Direct Mounting Pad DIN PN16/PN40 2PC

4.Manual Wafer Butterfly Valve  Specification

 Ball Valve Flanged End with Direct Mounting Pad DIN PN16/PN40 2PC

1)Size: DN40-DN1400 
2)Material:body-CI/DI/WCB/SS 
disc:DI/CF8/CF8M/C95400 
3)Professional Maufacturer for more than 10 years

PRESENTATION:

1) Sizes:

 DN40mm-DN1400mm

2) Materials:
a) Body: CI(cast iron ,GG25 )/ DI (ductile iron ,GGG40)

b) Disc:  DI / CF8 / CF8M / C95400 
c) Seat:  EPDM / NBR / TEFLON / VITON

 

5.FAQ

 

1. What is manual wafer butterfly valve?

A: 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?
A: 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: 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.

 

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Q:Why can't the clip type check valve be directly connected with the pipe mouth or other valves?
The clip type check valve is made up of two discs to prevent backflow.If the clip check valve is connected to the other valve, the disc may touch the valve and cause the check valve not to be fully opened or closed. This is a preliminary analysis of "enter the valve", for reference only!
Q:What is the normal temperature on the valve?
3. classification by operating temperature(1): ultra-low temperature valve for medium temperature of t< DEG C; 101 valve.(2): used for medium temperature valve operating temperature 101 C = t = 29 C valve.(3) at room temperature for medium temperature valve: the valve 29 425 degrees celsius.If it helps, see it
Q:What do you mean by "P54" in the valve z962y-p54 100V?
1, P54 is the valve body temperature is greater than or equal to 545 degrees, 100V is 10Mpa, that is, 100 kilograms, the valve name on all.2, valve (Famen) is a fluid conveying system control components, with cut-off, regulation, diversion, and prevent reverse flow, voltage regulation, shunt or overflow, pressure relief and other functions. Valves used in fluid control systems, from the simplest stop valve to a very complex automatic control system used in a variety of valves, a wide range of varieties and specifications. Valves can be used to control air, water, steam, a variety of corrosive media, mud, oil, liquid metal and radioactive media and other types of fluid flow. The valve according to the material is divided into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316), chrome molybdenum steel, chromium molybdenum vanadium steel valves, valve, dual phase steel valves, plastic valves, non-standard customized valve material etc..
Q:How many kinds of valves are there in the water pipes?
The valve is usually composed of two parts: the actuating mechanism and the valve bodyAccording to the power used by the executing agency, the valve can be divided into four kinds: manual, pneumatic, electric and hydraulic. According to its function and characteristics, it can be divided into on-off valve, regulating valve, electromagnetic valve, electronic type, intelligent type, etc.According to the type of the body: through single seat, through two seater, angular, diaphragm, three links, eccentric rotation, butterfly, sleeve type, spherical and other 10 kinds of; according to the valve body material: cast iron, cast steel, forged steel, carbon steel, stainless steel, copper, plastic valves.
Q:So how does the valve turn on?
The handle of the valve is opened along the pipe and perpendicular to the pipe
Q:Why use the pump outlet valve to adjust the flow rate?
This is the most widely used method of regulating flow, while protecting pumps and motors. The general classical installation method is as follows: the pump outlet is equipped with a vibration reduction joint, and then a gate valve control switch, and then install a multi-function water pump valve to adjust the flow.
Q:Hydrant valve leaks, how do you close other valves? Specific steps?
In construction, according to the design specifications, fire hydrant water supply pipe is an independent water supply system, and the water supply pipeline is separated from the water supply. In the trench into door position, need to set up a system of fire fire well, there are valves, only by finding the position of tube wells into households completed fire system diagram, in turn off the total valve can.
Q:Valve should be strictly marked according to the direction of instructions and media flow direction to determine the installation direction,
Refers to the installation of the interface dislocation, misalignment or installation of the wrong size and forced connection, resulting in installation stress exists, in use, it is prone to abnormal damage.
Q:What does the RF of the valve mean?
The valve sealing surface in the form and code summary: sealing surface - RF - plane surface process FF ring joint face - RJ - TG groove convex surface - MFM applies to the following: PL flat plate flange hubbed welding neck flange with SO WN IF socket SW screw flange butt welding Th ring loose PJ/SE welding-on collar loose PJ/RJ flange cover BL lining flange cover BL (S) American Standard hubbed SO American Standard wn WN
Q:What is a hot melt valve?
For the pillars of the temple are scattered on both sides,I first saw you when I was about to leave.The prey in the net is a star.Far away, where you are nowBecause I love you。For a very Chinese, this ha ha!

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