Slim Disc Wafer Butterfly Valve Cast Iron / Ductile Iron Material

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About Product

1. Small in size and light in weight; Easy installation and maintenance; It can be mounted wherever needed

2. Simple and compact construction, quick 90 degrees on-off operation.

3. Minimized operating torque, energy saving.

4. Bubbles-tight sealing with no leakage under the pressure test.

REASONS FOR CHOOSE US

1.We are direct proucer of butterfly valves, check/non-return valves, gate valves and so on.

2.We can offer you most professional technical support.

3.All valves are tested twice before and after hammer pin to ensure its perfect sealing property.

4.Valves' back seats are phenolic resin under DN350 while above DN400 are aluminium back seat to prolong its working life.

5.Concentric valves can ensure zero leakge.

Q: What kind of industry does valve belong to?: Valves are machinery and industry equipment；Valve belongs to general mechanical equipment

Q: What does valve J41H-16C mean?: J- stop valve4- flange type connection1- structure typeH- alloy steel seal16- nominal pressure 16 kgC- body carbon steel

Q: What is the valve before and after the pump?: Pump in front of the gate valve + one-way valve, after the pump connected valve, so that in the regulation can be clearly aware of the actual pump lift is large, without the impact of system pressure.Valve is the general name of pumps and valves.A valve that is not used in a pump or with a pump.Pump and valve are often associated with the use of the occasion. In other words, where there is a pump, there is usually a valve, where a valve is often required. They are all used for liquid delivery.

Q: 1/2, what does 1/4 valve mean? I don't understand. What does this number mean? Have a valve to introduce me, do not copy a pile of online introduction, I want to concise: Valve international universal caliber national nominal diameter1/4 inches, =2/8 inches, =2 minutes, =DN8 (mm)3/8 inches =3 points =DN10 (mm)1/2 inches, =4/8 inches, =4 minutes, =DN15 (mm)3/4 inches, =6/8 inches, =6 minutes, =DN20 (mm)1 inches =DN25 (mm)1 1/4 inch =DN32 (mm)1 1/2 inch =DN40 (mm)2 inches =DN50 (mm)

Q: Is the valve galvanized?: Butterfly valve gate, some hot-dip galvanized, and other valves are not.

Q: What does "DN15" mean? What does "PN 16" mean?: Valve DN15 refers to the nominal diameter of the valve 15mm, PN, 16 refers to the pressure of the valve is 1.6MPa.Nominal diameter (nominal, diameter), also known as the average diameter (mean, outside, diameter). DN is the nominal diameter (or nominal diameter), that is, all kinds of pipe and pipe accessories of the general caliber. The pipes with the same nominal diameter can be connected with each other, so they are interchangeable. It is not the actual diameter or diameter of the pipe, although its value is close to or equal to the diameter of the pipe.

Q: The valve has a clear opening and closing sign. What does this sentence mean?: Not only on the valve is enough to mark, here means that at the scene can see the installation of the pipe network on the valve open or shut?!

Q: How much is the 150LB of the valve?: 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: What is a hot melt valve?: The valve is hot melt and ppR/PE plastic pipe connecting with hot melt connection valves, general valves generally use the threaded connection or flange connection.Valve is a control component in the fluid delivery system. It has the functions of closing, adjusting, guiding, preventing reverse flow, stabilizing voltage, shunting or overflow and releasing pressure.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 can the material be checked by valve approach? What experiments do you need?: First of all, to check material certification, and secondly, the material appearance, shape and size of the initial test, again on the alloy material according to the standard spectrum analysis, the valve to do pressure test.

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