• API Stainless Steel 316 Wafer Type Butterfly Valve System 1
  • API Stainless Steel 316 Wafer Type Butterfly Valve System 2
  • API Stainless Steel 316 Wafer Type Butterfly Valve System 3
  • API Stainless Steel 316 Wafer Type Butterfly Valve System 4
API Stainless Steel 316 Wafer Type Butterfly Valve

API Stainless Steel 316 Wafer Type Butterfly Valve

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
1 unit
Supply Capability:
2000 unit/month

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Wafer Type PTFE seat Butterfly Valve with Handle wheel/Lever operation

The Butterfly Valve Standard

Designed: API609, ASME B 16.34,AWWA C 504, BS EN593

Face to Face: API 609,AWWAC504, BS2080, and ISO5752

Flange End: ASME B 16.5, ASMEB 16.47, BS EN1092, ISO7005

Inspection Test: API 598, BSEN 12266, ISO 528

Materials Choose

Body Materials:WCB/WCC/LCB/QT450-10/QT500-7/CF8M/CF3M

Disc Materials:WCB/WCC/LCB/QT450-10/QT500-7/CF8M/CF3M

SeatMaterials:304/316/Graphite/Asbetos/PTFE

Specifications

Pressure:PN10/PN16/PN25/CL150/CL300

Size: DN40---DN3200

Drive Mode: Manual/Wormgear/Electric/Pneumatic

Field of Application: Electric/Hydraulic/Municipal Engineering etc; Water/Sea water/Gas etc.


Delivery: 

within 15-30days after receipt of at sight L/C or 30% as advance payment by T/T

 

Butterfly Valve Packing: Seaworthy packing:

1. Single Butterfly Valve is packed with foam plastic bag.

2. Put sponge in each floor

3. Electric or pneumatic actors will Individual packaging it with wood box.

4. Export Wooden Packing

5. We can pack according to specific customer requests.

6. Customers’ logos are available on package.

7. Design and manufacturing the wood box to save the sea cost if needed . 


What can we do for you?

 1. Save lots of your cost. As you know, more than 85% butterfly valves are made from Tianjin in China, our factory is located in this most advantage place too.

 2. Your OEM orders are welcomed. We have own foundry, serve OEM customers from more than 23 countries. 

3. Each valve is taken for two times pressure test before leave factory! Each butterfly valve has 24 months guarantee period. 

4. You’ll never be low on supply---with our monthly capacity of 32000 sets.

5. More than 40 salesmen are always working with you and listening to you.


Q: Why use special flanges for butterfly valves?
Mainly for clip type butterfly valve sealing ring on the valve body than the ordinary flange chip small diameter. Therefore, the ordinary flange can not guarantee the effective sealing effect. Therefore, you must use a dedicated butterfly flange sheet
Q: Transformer butterfly valve and pressure relief valve difference
I don't know. Let's have a Baidu! Baidu is powerful.
Q: How much is the Honeywell butterfly DN300?
Find the agent or find a reliable valve plant a lot of foreign brands are in Chinese OEM so find a reliable factory is relatively good service to keep up
Q: The flow ratio of area and maximum flow area of the valve is? If it refers to the opening of the valve rotation angle? Butterfly linear closure refers to the butterfly valve at constant angular velocity close? When the change trend of flow is what? These valves problem bothering me for a long time,
Butterfly valve headstock is a disc shaped disc, in the valve body around its own axis rotation, so as to achieve the opening or closing or adjustment; actuators have electric or pneumatic, and so on, through the transmission device to drive the stem, valve plate rotation;
Q: The water supply pipe is the gate valve And on the cross dry pipe are the gate valve? To answer the 30
Crown valve pressThere is no standard answer to this question. I can only give you my personal opinionRiser butterfly valve is generally place in these places (the pump outlet valve, drainage system, upper and lower floors) riser are basically installed butterfly valve, butterfly valve is not cheap, fast speed is fast closing butterfly valve can be quickly closed and open educationYou see the water pipe installed valve (with all the cross tube is the basic gate) explanation, because in contrast to the quality and stability, the valve will be better, the site does not need fast switching, it will choose good stability point gateSum upThe drains are all butterfly valves, and the stabilizing pipes are all valves! (do not rule out a full use butterfly valve for stealing work)
Q: What kinds of butterfly valves are available? What is the working principle of butterfly valves?
At work temperature:(1) high temperature. T>450 degrees C butterfly valve.(2) medium temperature butterfly valve. 120 C<t<450 DEG butterfly valve.(3) normal temperature butterfly valve. A 40C<t<120 degree C butterfly valve.(4) low temperature butterfly valve. One 100<t< one, 40 degrees C butterfly valve.(5) ultra low temperature butterfly valve. T< one 100 degrees C butterfly valve. Www bgfm /df/Divided by connection:1 pairs of clip butterfly valveThe butterfly plate of the clip butterfly valve is installed in the direction of the diameter of the pipe. The valve is fully open.The clip butterfly valve is simple in structure, small in size and light in weight. Butterfly valve has an elastic seal and metal seal two types of seals. Resilient sealing valve. The sealing ring can be mounted on the valve body or attached to the periphery of the disc.2, flange butterfly valveThe flange butterfly valve is a vertical plate structure, and the stem is a sealing ring of an integral metal hard sealing valveFor flexible graphite plate and stainless steel plate composite structure, mounted on the valve body, butterfly plate sealing surface of stainless steel surfacing. The sealing ring of the soft sealing valve is made of nitrile rubber and is mounted on the butterfly plate.3, lug butterfly valve4 、 welded butterfly valveWelding type butterfly valve is a non sealed butterfly valve, widely used in medium temperature less than building materials, metallurgy and mining, electric power production process at 300 nominal pressure 0.1Mpa pipe, used to open and close connected, or adjust the medium quality.
Q: What are the functions and uses of butterfly valves?
Industrial butterfly valve features, capable of high temperature, applicable pressure range is higher, the valve nominal diameter is large, the valve made of carbon steel, the valve plate sealing ring using metal rings instead of rubber rings. Large high temperature butterfly valve welded by steel plate, mainly used for high temperature smoke duct and gas pipe.Construction: mainly composed of valve body, valve stem, disc and sealing ring. The valve body is cylindrical and has short axial length and is internally provided with a plate.
Q: Butterfly valves are widely used in 2.0MPa below the pressure and temperature of not more than 200 degrees of various media, right?
3. kinds of butterfly valve:According to the connection mode: flange type, clip type.According to the material of sealing surface, soft seal and hard sealing.According to the structural form, butterfly valves can be divided into the following types:Plate typeInclined plate typeOffset plateLever type4. butterfly valve features:(1) the structure is simple and the shape is small. The utility model has the advantages of compact structure, short structural length, small size and light weight, and is suitable for large caliber valves.(2) the resistance of the fluid is small, and when the valve is fully opened, the valve seat passage has an effective circulation area, so the fluid resistance is smaller.(3) open and close, convenient and quick, good adjustment performance, butterfly plate rotation 90 degrees can be completed headstock. By changing the angle of rotation of the disc, the flow can be graded.(4) the opening and closing moment is smaller, because the butterfly plate on both sides of the rotating shaft is basically equal to the medium, and the opposite direction of the torque is generated, so that the opening and closing is more labor-saving.(5) low pressure sealing performance, sealing surface materials generally use rubber, plastic, sealing performance is good. Limited by the material of the sealing ring, the pressure and the temperature range of the butterfly valve are smaller. But the use of hard sealing butterfly valve pressure and temperature range has been greatly improved.
Q: Who was the first doctor to discover Pulmonary Valve Stenosis? Also, who was the first doctor to perform surgery for it? Please and thank you for your help.P.S. I have this condition.
1761 - Pulmonary valvar or valvular stenosis is one of the more common forms of congenital heart malformations and it has been extensively studied since the original description of pulmonary valve stenosis by John Baptist Morgagni in 1761. 1888 - Tetralogy of Fallot, first characterized by Dr.Etienne Fallot in 1888, is present in about 3000 children born each year in the United States. It is a combination of four heart abnormalities. Dodrill and his colleagues employed it with success for the open correction of a stenotic pulmonary valve in October 1952.
Q: Butterfly valve is generally used in what position?
It can also be used for switch control of low pressure pipeline medium.

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