Product Description
Stainless Steel ball valve
SPECIFICATION
Material: Stainless steel ,SS304/CF8, SS316/CF8M,WCB, and so on
British Standard : BS21.0
DIN Standard: DIN2999
American Standard:ASME B1.20.1
ISO Standard: ISO 228-1, ISO7/1
Size: 1/4”-4”
Certificate: ISO9001: 2000,CE
Pressure: 150LB, 1000WOG, PN64
Temperature Range: -20-250 degree C
Application:Applied to stainless steel pipeline system, water system, petrolum system etc
Connection Ends:Socket weld or Threaded: NPT, BSP, BSPT etc.
Suitable medium:Petroleum, chemical, power, gas, water, linepipe, heat exchanger, shipbuilding, construction, high&low pressure pipeline etc.
Features: 1.1000PSI/PN63
2.Full Port
3.Investment Casting
4.Blow out Proof Stem
5.Locking Device Handle(Option)
6.PED97/23/EC(CE0036) Approved
7.Casting Approved Ad2000-W0
8.Thread: ASME B1.20.1, BS21.0, DIN2999/259, ISO 228-1, JIS B5713, ISO 7/1
9.Inspection Testing: API598, EN 12266
Related Type:
| 1PC BALL VALVE | 2PC BALL VALVE | 2PC BALL VALVE LIGHT DUTY |
| 2PC BALL VALVE DIN3202 TYPE | 3PC BALL VALVE | 3PC BALL VALVE WITH DIRECT MOUNTING PAD |
| 3-WAY BALL VALVE ( L & T TYPE) |
2PC FLANGE BALL VALVE ( JIS, ANSI, DIN) | 3PC FLANGE VALL VALVE ( JIS & ANISI & DIN) |
| MINI BALL VALVE | BIBCOCK VALVE | GATE VALVE |
| GLOBE VALVE | SWING CHECK VALVE | 1PC SPRING VERTICAL CHECK VALVE |
| 2PC SPRING VERTICAL CHECK VALVE | 3PC SPRING VERTICAL CHECK VALVE | Y-STRAINER |
| If you need more ,please contact us. | ||
Customers’ drawings or designs are available.
| Sellable | Yes |
| Valve Type | Two-way, ON/OFF |
| Valve Style | Ball valve |
| Valve Size | 1/4”-4” |
| Valve Body Material | Stainless steel |
| Valve Temperature Range | -20°F to 400°F (-28.8°C to 204.4°C) |
| Valve Pressure Rating |
1,000 PSI C.W.P. (Cold Working Pressure), Saturated Steam 150 PSI |
| Application | Applied to stainless steel pipeline system, water system, petrolum system etc |
| Connection Ends | Socket weld or Threaded: NPT, BSP, BSPT etc. |
Company Information
HangZhou CZPT Pipeline Co.,Ltd is located in HangZhou city ZheJiang Province. Our main products are all kinds of stainless steel ball valve, globe valve, gate valve, strainer, quick coupling and fittings. The company introduces the advanced silicon sol lost wax precision casting process, well appointed casting equipments, high-precision CNC machines and machining center.
On the testing aspect,we have Swiss ARL spectrograph, Metallurgical Microscope, hardness tester, universal testing machine, three-dimensional and other test instrument. We have a complete production line from mold design to casting, machining, and surface treatment. On the technical aspect, we have strong technical R&D ability to meet customers’ special process demands, such as deep and complex cavity, accurate positioning etc.
Currently our major product material are 304, 304 L, 316, 316L, WCB, and our company produces a variety of precision casting and processing of finished parts by the standards of GB, ASTM, ANSI, BS, DIN, JIS, etc. The application is also ver broad, covering almost the entire machinery manufacturing and machining industry in this field.
Packing&Delivery
Packing
1.Polybag+Cartons+Pallet
2.Inner Carton Box, Outside Wooden Case/Pallet
3.Customized according to customer’s requirements.
Delivery Details
1.Normal delivery times is from 15 to 30 days after receiving the deposit
2. According to the quantities and specifications of each order
Shipping
1. Large Quantity Transport By Sea
2. Small Quantity or Sample Transport By Air
3. Inland Transport By Train
4. Shipping according to customers requirement
PORT: Xihu (West Lake) Dis.g Port ZheJiang , ZheJiang Port, ZheJiang Airport
ADVANTAGE
*We have been worked in this area for more than 15 years, and we know each market’s request, with a good replutation among our customers, we always persuit a high quality and best service and price .
*We also have a series of products such as: flanges, pipes, forged fittings, ball vavles and butterfly valves; And some hardware parts such: Post Anchors, Ground Screws, and some other wooden connectors.
OTHER PRODUCTS
FAQ
1. Q: How about trade terms ?
A: FOB, CFR, CIF will be accepted
2.What are your major products?
A:We mainly dealing with Pipe, Ball Valve, Post Spike etc.
3.Q:Can I get some samples?
A:We can offer the samples free but you need paid the freight cost by yourself.
4.Q: Can you supply the threaded treatment pipe Fittings end ?
A: Yes, We can supply threaded and coupled end treatment.
5.Q:What kind of payment is accepted?/ How about the payment terms?
A:T/T , L/C etc
6.Q:How about the delivery time?
A: New production:Need about 15-40 days after receiving your down payment or L/C.
Stock: After your down payment ,we will deliver within about 7days.
How to judge your valve is open or close?
One question that plagues both homeowners and professionals alike is: “Is my valve open or closed?” If you have a butterfly or ball valve, the direction of the handle indicates whether the valve is open or closed. If you have a stop or gate valve, it is harder to tell if your valve is open or closed because there are very little to no visual cues, meaning you have to rely on the amount of resistance to determine if your valve is truly closed. Below we’ll walk through 4 different types of valves, discussing the specifics of determining if the valve is closed or open.
What Exactly is a Valve?
A valve is a very simple mechanism. Valves can be found everywhere, in nature, life, and industry. Even your bathroom taps are valves. The dictionary definition provides a good starting point:
noun
any device for halting or controlling the flow of a liquid, gas, or other material through a passage, pipe, inlet, outlet, etc.
a hinged lid or other movable part that closes or modifies the passage in such a device.
Anatomy. a membranous fold or other structure that controls the flow of a fluid, as 1 that permits blood to flow in 1 direction only.
to provide with a means of controlling the flow of liquid, gas, etc, by inserting a valve.
verb (used with object), valved, valving.
Simply put, a valve is a way of controlling the flow of liquid or any media through obstructing its pathway.
Is My Ball Valve Open or Closed?
Ball valves are adeptly named because of the ball that sits inside the housing unit.
The ball has a hole through the center. This hole faces the flow of water when the valve is open. When the valve is closed, the solid side of the ball faces the flow, effectively blocking further forward movement of the liquid. Because of this design, ball valves are a type of shut-off valve, meaning they can only be used to stop and start flow; not regulatethe flow.
Ball valves are perhaps the easiest valve to see if they are open or closed. If the handle on top is parallel to the valve, it’s open. Likewise, if the handle is perpendicular to the top, the valve is closed.
Common places you might find a ball valve are in irrigation and in sites where you need to control water supply from 1 area to another.
How to Determine if Your Butterfly Valve is Open?
Butterfly valves differ from all the other valves in this post because not only can they be used as a shut-off valve, they can also be used as a regulatory valve. Inside the butterfly valve is a disc that rotates as you turn the handle. Butterfly valves can regulate flow by having the disc partway open.
Butterfly valves have a lever handle on the top that is similar to the ball valve. This handle both indicates if the flow is on or off,and can be used to turn the valve partway on by locking the disc in place. When the handle is parallel to the valve, it is closed, and when it is perpendicular to the valve, it is open.
Butterfly valves are suited for use in garden irrigation, and they are also commonly used in space-restrictive applications. They have a slender design that makes them ideal for tight-fitting spaces. Because of the disc inside, these valves are not the best to use in high-pressure applications as there will always be something in the way partially blocking the flow.
How to Know if Gate Valves are Open?
Gate valves are a type of isolation (or shut off) valve that are found on pipes that require the complete turn off or on of flow. Gate valves have a knob on top that when turned raises and lowers the gate inside, hence the name. To turn on the gate valve, you
turn the knob counter-clockwise, and you turn it clockwise to turn off the valve. There is no visual indicator to see if a gate valve is open or closed. It is, therefore, important to remember that when you are turning the knob you must stop when you hit resistance; to continue to try and turn the valve could potentially damage the gate, rendering your gate valve ineffective.The most common uses around the house for gate valves are for your main water shut off or, as you might see more frequently, the water spigot on the outside of your home.
Is My Stop Valve Closed?
The final valve on our list is a stop valve, which is another type of shut off valve. This valve looks similar to the gate valve, but it is more compact. It is also the valve that you might be the most familiar with. These valves are often used to connect appliances, like toilets and sinks, to the water supply line in your house. You twist the stop valve clockwise to turn the supply off and counter-clockwise to turn it on. Stop valves have a stem under their handle that rises and lowers as the valve is turned off and on. The stem is not visible when the stop valve is closed.
Final Tip: Know Your Type of Valve
At the end of the day, the most important part to knowing if a valve is open or closed is to know what type of valve you have. Ball and butterfly valves both have a lever handle on top that indicates if the valves are open or closed; whereas gate and stop valves bothrequire the turning of a knob and have no or harder to see visual cues on if they are openor closed.
Screw Shaft Types
A screw shaft is a cylindrical part that turns. Depending on its size, it is able to drive many different types of devices. The following information outlines the different types of screws, including their sizes, material, function, and applications. To help you select the right screw shaft, consider the following factors:
Size
A screw can come in a variety of shapes and sizes, ranging from a quarter to a quarter-inch in diameter. A screw is a cylindrical shaft with an inclined plane wrapped around it, and its main function is to fasten objects together by translating torque into a linear force. This article will discuss the dimensions of screws and how to determine the size of a screw. It is important to note that screw sizes can be large and small depending on the purpose.
The diameter of a screw is the diameter of its shaft, and it must match the inner diameter of its nuts and washers. Screws of a certain diameter are also called machine screws, and they can be larger or smaller. Screw diameters are measured on the shaft underneath the screw head. The American Society of Mechanical Engineers (ASME) standardized screw diameters in 3/50-inch to 16 (3/8-inch) inches, and more recently, sizes were added in U.S. fractions of an inch. While shaft and head diameters are standardized, screw length may vary from job to job.
In the case of the 2.3-mm screw group, the construct strength was not improved by the 1.2-mm group. The smaller screw size did not increase the strength of the construct. Further, ABS material did not improve the construct strength. Thus, the size of screw shaft is an important consideration in model design. And remember that the more complex your model is, the larger it will be. A screw of a given size will have a similar failure rate as a screw of a different diameter.
Although different screw sizes are widely used, the differences in screw size were not statistically significant. Although there are some limitations, screws of different sizes are generally sufficient for fixation of a metacarpal shaft fracture. However, further clinical studies are needed to compare screw sizes for fracture union rates. So, if you are unsure of what size of screw shaft you need for your case, make sure to check the metric chart and ensure you use the right one.
Material
The material of a screw shaft plays an important role in the overall performance of a screw. Axial and central forces act to apply torque to the screw, while external forces, such as friction, exert a bending moment. The torsional moments are reflected in the torque, and this causes the screw to rotate at a higher rate than necessary. To ensure the longevity of the screw, the material of the screw shaft should be able to handle the bending moment, while the diameter of the shaft should be small enough to avoid causing damage.
Screws are made from different metals, such as steel, brass, titanium, and bronze. Manufacturers often apply a top coating of chromium, brass, or zinc to improve corrosion resistance. Screws made of aluminum are not durable and are prone to rusting due to exposure to weather conditions. The majority of screw shafts are self-locking. They are suited for many applications, including threaded fasteners, C-clamps, and vises.
Screws that are fabricated with conical sections typically feature reduced open cross-sectional areas at the discharge point. This is a key design parameter of conical screw shafts. In fact, reductions of up to 72% are common across a variety of applications. If the screw is designed to have a hard-iron hanger bearing, it must be hardened. If the screw shaft is not hardened, it will require an additional lubricant.
Another consideration is the threads. Screw shafts are typically made of high-precision threads and ridges. These are manufactured on lathes and CNC machines. Different shapes require different materials. Materials for the screw shaft vary. There are many different sizes and shapes available, and each 1 has its own application. In addition to helical and conical screw shafts, different materials are also available. When choosing material, the best 1 depends on the application.
The life of the screw depends on its size, load, and design. In general, the material of the screw shaft, nut body, and balls and rollers determine its fatigue life. This affects the overall life of the screw. To determine whether a specific screw has a longer or shorter life, the manufacturer must consider these factors, as well as the application requirements. The material should be clean and free of imperfections. It should be smooth and free of cracks or flaking, which may result in premature failure.
Function
The function of a screw shaft is to facilitate the rotation of a screw. Screws have several thread forms, including single-start, double-start and multi-start. Each form has its own advantages and disadvantages. In this article we’ll explore each of them in detail. The function of a screw shaft can vary based on its design, but the following are common types. Here are some examples of screw shaft types and their purposes.
The screw’s torque enables it to lift objects. It can be used in conjunction with a bolt and nut to lift a load. Screws are also used to secure objects together. You can use them in screw presses, vises, and screw jacks. But their primary function is to hold objects together. Listed below are some of their main functions. When used to lift heavy loads, they can provide the required force to secure an object.
Screws can be classified into 2 types: square and round. Square threads are more efficient than round ones because they apply 0deg of angle to the nut. Square threads are also stronger than round threads and are often used in high-load applications. They’re generally cheaper to manufacture and are more difficult to break. And unlike square threads, which have a 0deg thread angle, these threads can’t be broken easily with a screwdriver.
A screw’s head is made of a series of spiral-like structures that extend from a cylindrical part to a tip. This portion of the screw is called the shank and is made of the smallest area. The shank is the portion that applies more force to the object. As the shaft extends from the head, it becomes thinner and narrow, forming a pointed tip. The head is the most important part of the screw, so it needs to be strong to perform its function.
The diameter of the screw shaft is measured in millimeters. The M8 screw has a thread pitch of 1.25 mm. Generally, the size of the screw shaft is indicated by the major and minor diameter. These dimensions are appended with a multiplication sign (M8x1).
Applications
The design of screws, including their size and shape, determines their critical rotating speeds. These speeds depend on the threaded part of the screw, the helix angle, and the geometry of the contact surfaces. When applied to a screw, these limits are referred to as “permissible speed limits.” These maximum speeds are meant for short periods of time and optimized running conditions. Continuous operation at these speeds can reduce the calculated life of a nut mechanism.
The main materials used to manufacture screws and screw shafts include steel, stainless steel, titanium, bronze, and brass. Screws may be coated for corrosion resistance, or they may be made of aluminium. Some materials can be threaded, including Teflon and nylon. Screw threads can even be molded into glass or porcelain. For the most part, steel and stainless steel are the most common materials for screw shafts. Depending on the purpose, a screw will be made of a material that is suitable for the application.
In addition to being used in fasteners, screw shafts are used in micrometers, drillers, conveyor belts, and helicopter blades. There are numerous applications of screw shafts, from weighing scales to measuring lengths. If you’re in the market for a screw, make sure to check out these applications. You’ll be happy you did! They can help you get the job done faster. So, don’t delay your next project.
If you’re interested in learning about screw sizing, then it’s important to know the axial and moment loads that your screws will experience. By following the laws of mechanics and knowing the load you can calculate the nominal life of your screw. You can also consider the effect of misalignment, uneven loading, and shocks on your screw. These will all affect the life of your screw. Then, you can select the right screw.
