Stainless Steel Ball Check Valve in low price

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Specifications

Stainless Steel Ball Check Valve 
1.0 hydraulic resistance 
2.Quick close down 
3.Body is symmetrical

Diameter      DN15-DN250

Pressure PN1.0-2.5Mpa

Medium water,oil,steam,weak acid and base

Temperature -29-180 degree

Body material     304,316 Stainless Steel 304,316


FEATURES

 Blow-out Proof Stem

 Investment Casting Body & Cap

 Pressure Blance Hole in Ball Slot

 Full Port

 Various Thread Standard Available

 Locking Device Available

 

STANDARD

  Design: ASME B16.34,API608

  Wall Thickness:ASME B16.34,GB12224 

  Face to Face:DIN3202-M3 

  Pipe Thread: ANSI B 1.20.1 

  BS 21/2779,DIN 259/2999,ISO 228 

  Inspection & Testing:API 598


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Q:Calculation formula of ball valve flow
Q=Cd*A* (2*delta_P/rou) ^0.5Among them, Cd is the flow coefficient, generally take 0.6~0.8, you can go to check informationA is the opening areaDelta_P is the differential pressure between the inlet and outlet of the ball valveRou is the density of the fluid
Q:Ball valve 11F, 41F, 11H, 41H
41H flanged ball valve type through the use of alloy steel seal. In addition there is a complete expression of Q words, there are nominal pressure such as Q11F-16 Q41F-16
Q:What brand of double live catch valve is good?
PPR tube market, its competition is really strong.The old brand of the strong, is the day Feng and Jinde, the two seem to pipe and pipe fittings to provide fifty years of quality assurance, which is also one of the reasons to be assured to buy their products.As for whether pipes and fittings must be used in the same brand, the answer is No. But the brand for market share purposes, both pipe and pipe supporting the use of quality assurance.In other words, on waterways, the problems often lie at the junctions of pipes and fittings, so they use mixed products, both of which have reasons and excuses to shirk responsibility. In addition, the probability of pipe problems is higher than the pipe fittings.The big brands are the pipe prices dropped to the level of brand-name. So now the most common fraud, are pipes for brands, fittings for brand-name, careless users tend to leak in this link.The double live catch valves are good for both day and jin.
Q:Manual ball valve type: Class400, 20 ', what does that mean, industrial knowledge?
The pressure rating of the valve type and American StandardIt's a 20 inch, 400 pound valve20 inch =DN500 (nominal diameter)400 pounds equivalent to nominal pressure PN64 Mpa
Q:What are the differences between the lever ball valve and the handwheel ball valve? What are their differences?
Group pairs of valves, have not heard of a lever type ball valve, only lever type safety valve, hand wheel type is only the way it drives different, the way is also ever-changing, to see the needs of individuals
Q:Is the ball valve ball valve?
One is with an eccentric, hemispherical valve most market means. This eccentric semi ball valve disc shaped like a hemisphere valve valve switch trip also is 90 degrees, but the rotation center of the valve (the valve shaft and the valve seat center (body) or line center) with an eccentric, made after the valve opening immediately from the valve seat, the sealing ball valve and the movement principle is not consistent.
Q:The difference between ball valve q41f46-16c and q41f46-16
Q valve Code: ball valve;Drive mode: manual, no code;4 connection: flange connection;1 structure form: floating through type;F46 sealing material: lining fluorine;16 valve original pressure: 1.6Mpa 16 kgC body material: Cast Steel
Q:For the master enlighten Q47 ball seat spring hole number is determined by how
Force = spring stiffness (kg/mm) * compression volume (mm)Number of work cycles of spring stiffness = line diameter *1000/C 3 timesC= spring middle diameter / line diameterSpring diameter = spring outside diameter line diameterCalculate each spring force, multiplied by the number. According to the manual valve design must be greater than the pressure, pressure ratio must be large than the material allowable pressure on the line. (emphasize that here because the production process of the spring, has value of many uncertain factors, so the actual production of the spring and you cannot calculate out the same, so please choose when to consider).
Q:Pneumatic ball valve q641f-16p what do you mean?
Q is a ball of the code, 6 representative driving mode is pneumatic, 4 flanged ball valve structure is straight through channel 1 on behalf of the floating ball, f sealing surface is the fluorine plastics, 16 represents the pressure of 16 kg, P represents the body material is stainless steel, Shandong Huadian valve.
Q:What does telescopic ball valve mean? What does it mean?
In fact, the length of L can vary within a certain range

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