Good Quality Check Valve On Sale Made In China

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Product Description:


It has been widely used in the fileds of petro-them,pharma and power,etc,It is used by open and close on the pipes of steam,water,and oil,etc,under the pressure of 1.0Mpa.

Introduction & Specifications

Butterfly Valve are used to cut or connect the pipe media under nominal pressure between Class 150~2500,working temperature≤600℃.in oil industry, chemical industry, pharmaceuticals, fertilizer, and power industry.

Materials: Ductile iron, metal, stainless steel

Package: wooden boxes

Payment: T/T, LC

Design Feature of  Butterfly Valve

1.  Co-radix alloy welded sealing surface,anti-wearing,erosion-proof abrasion-proof and longer use life.

2.  Rational structure, reliable sealing, excellent performance, pretty appearance.

3.  The surface and the adjusting media of the valve shaft are nitrogenized so that it is erosion and abrasion resistant.

4.  Class≥1500,the middle cavity uses a self-tightening sealing structure to have the sealing performance reinforced along with the pressure rise so as to ensure the sealing performance.

5. There is no backward sealing structure in the valve,so the sealing is reliable.

6. The material of the filling and the flange size can be chosen and matched according to the applications and the requirements of the wier’s. That can satisfies all kinds of working requirements. 

Cast steel Gate valve features: 
1) Size: 2" - 24"
2) Ratings: 150 LB,300LB,600LB,800LB,900LB,1500LB
3) Material: A216-WCB, A217-WC6, A352-LCB....other materials upon customer's request
4) Ends: Flanged as per ANSI B16.5 

Advantages of gate valve:




1. Small fluid resistance


2. The torque for opening and closing is small, so it is easy to open and close.


3. The medium flowing direction is not restricted, and it doesn't disturb flowing and reduce   the pressure of pipeline.


4. Short length structure


5. Good sealing performance


6. Simple shape, good casting process, widely used

We can make all kinds of valves, gate valve, check valve, butterfly valve, ball valve and so on.

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Q:The bathroom hardware should be stainless steel or Aluminum Alloy it?
Try to buy buy pendant chrome copper material, although expensive, but durable, high grade, there are a lot of attention to the stainless steel copper as stainless steel and copper. Actually easy (I am a professional hardware accessories), copper chrome after polishing the surface is very smooth and very soft, and compared to soft stainless steel the more the surface of stainless steel is relatively rough, looks very stiff, and domestic stainless steel pendant 201 is basically made of antirust effect is not good, you can say to buy stainless steel is planned for 1 years after going to change, and at least 6 years with copper to copper (dirty can be wiped clean to buy a kind of stainless steel is bright, Sassafras away, only changed). Aluminum space (actually aluminum) material grade is very low, it is easy to deformation, the worst is zinc (easily rotten). So the best material is copper (the most widely used American Standard), the 304 is good (but never at home The product is 304, said his American Standard materialmdashmdash, 99.9%) he is a lie
Q:What are the commonly used hardware in the customized wardrobe?
Three in one: the main connecting parts of cabinet panels, commonly known as "three in one", can be applied to 18mm or 25mm boards.
Q:Please tell people where can to buy genuine hardware accessories?
To hardware mall, to the regular store. Distribution of various brands of shops.
Q:How do housekeeping refer to hardware accessories with good or bad?
The opening and closing of the imported hinge lighter, domestic general hard hinge, the hinge screws also adjust the import closely, first used a screwdriver to screw only, and many domestic hinge with the adjustment screw is not tight enough, can be rotated by hand.
Q:Native produce is a local specialty, but hardware is not
Native produce is a local specialty, but hardware is not
Q:What do you do at a hardware store?
Hardware industry refers to the gold, silver, copper, iron, tin five metal materials, hardware is the mother of the industry; the basis of national defense, hardware products are usually divided into two major categories of hardware and hardware. Big hardware includes steel plate, steel, flat iron, steel bar, universal channel iron, I-iron and various types of hardware, building hardware, tin, lock nails, wire, steel wire, steel wire cutting, home hardware, tools etc.. On the nature and use of hardware, it should be divided into iron and steel materials, non-ferrous metal materials, machinery parts, transmission equipment, auxiliary tools, working tools, construction hardware, household hardware and other eight categories
Q:Do their own cabinets, cabinets hardware where can I buy?
Cabinet hanging yards, preferably hidden style. Handle should be rich, general building materials city is not rich enough, hinge, better. Foot, the kind of adjustable, engineering plastics can. Materials such as fire boards
Q:What is suitcase hardware? Do you know?
Luggage hardware is simple, that is, bags and backpacks and other hardware used. Luggage hardware accessories are mostly not final consumer goods
Q:What do hardware mainly do?
Hardness test of stamping dieThe main material of the stamping die is die steel (including tool steel and high speed steel), and sometimes carbide is used.Stamping dies usually require high hardness and wear resistance, and heat treatment is essential.
Q:Is the hardware store profitable?
Each row from do profit ratio is about the same, about 10-30, 10 is 30, is relatively small, generally Maori words can say it, but there is little profit. Of course, refers to the rules of doing business, not to engage in the door. If you want to know what the experience at least know quality cost. This shop is the shopkeeper, but still need to go out to run a single, to the long-term stability of the single to make money. Store address requirements are not high. Some people take orders, the ability is very strong, then directly in the small courtyard to open a money.

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