Product Description
HangZhou CZPT Valve Pipe Fittings Co., Ltd (Since 2006)
Product Description
It Is Widely Used In Beverage, Brewing, Oil Refinery, Cosmetic, Chemical Industries.
˙ Free of maintenances
˙ Compact and portable
˙ Small operating torque
˙ Gasket complies with PTFE FDA 177.2600
˙ Hand lever can be installed on the side of the valve body, no matter of the flow direction.
˙ Connection ends: thread, clamp, weld,flange, DIN, SMS, RJT, FIL.
˙ It can match with pneumatic and electricactuators.
˙ Material for the part contacted with media is AISI 304/316L. Other part is AISI 304
˙ Type of valves: One way ball valve, three-piece ball valve. Three-way ball valve
˙ Type of cores: T type, L type, direct type.
˙ Material quality:AISI 304,316L
Product Parameters
| Material | AISI304 AISI316L |
| Specification | DN25-100 & 1″-4″ |
| Standard | ISO, DIN, 3A,SMS etc |
| Connection | Welded, Clamped, Threaded, Flanged |
| Working Principal | manual operation or driving device operation |
| Flow pattern | straight |
| Seat material | PTFE, PCTFE, PEEK or upon your request |
| Orifice size | 2mm to 4.8mm |
| Body construction | 3-piece precision cast body |
| Temperature | -20degree celsius~135degree celsius |
Detailed Photos
High Quality DIN SMS Clamped Type Sanitary Ball Valve
Application:
Ball valve is well used in food, beverage, chemical and cosmetic industries to control medium flow.; The full port design with zero restriction makes it an optimum choice for viscous and particulate liquids.
Working Principle:
Manual ball valve can be operated through actuator(90 degree rotary handle), actuator with the hand is to revolve the axial movement unto 90 degree, so the valve can open or close.
Pneumatic actuator is to covert the axial movement of piston to be 90 degree rotation of valve shaft, so that the valve can be open or close to achieve the requirement of control and open /close for the pipeline system.
Standard Design:
Various standards of ball valves can be provide can be provided to clients: DIN, 3A, SMS, ISO/IDF, BS/RJ, ASME/BPE etc.
Main Details:
| Body Material | SS304/ SS316L |
| Seal Material | PTFE+EPDM(Double Layer)/EPDM/Silicon/FPM/FKM |
| Standard | DIN/SMS/IDF/3A/BPE/ ISO |
| Size | 1/2″ to 4″ (DN15-DN100) |
| Working Pressure | 1.6~6.4Mpa |
| Working Temperature | -10 to 121 degree C |
| Connection End | Threaded/Welded/Clamped End/Union |
| Available Structure | Straight way type/ Three ways type |
| Surface Polish | Internal(Ra<0.6um), External(Ra<1.6um) |
| OEM | Available |
| Shipment Way | By Sea (HangZhou/ZheJiang Port), By Air, By Express |
| Term of Payment | 100% T/T, 30% advance and balance 70% before delivery. |
| Packaging Details: | Bubble pack for each within carton box; Plywood case is also available for sea transportation. |
Certifications
Packaging & Shipping
Company Profile
| Sanitary Valves | Sanitary Butterfly Valves |
| Sanitary Check Valves | |
| Sanitary Ball Valves | |
| Sanitary Divert Valves | |
| Sanitary Diaphragm Valves | |
| Sanitary Sample Valves | |
| Sanitary Mixproof Valves | |
| Sanitary Pipe Fittings | Sanitary Elbow |
| Sanitary Tee | |
| Sanitary Reducer | |
| Sanitary Cross | |
| Sanitary Triclamp Ferrule | |
| Sanitary Cap | |
| Sanitary Pipe Hanger | |
| Sanitary Tank Cleaning Ball | |
| Sanitary Hose Joint | |
| Sanitary Unions | |
| Sanitary Sight Glass | |
| Sanitary Strainer | |
| Sanitary Manways | Sanitary Round Manway without Pressure |
| Sanitary Round Manway with Pressure | |
| Sanitary Square Manway | |
| Sanitary Oval Manway | |
| Sanitary Pumps | Sanitary Centrifugal Pump |
| Sanitary Lobe Pump | |
| Sanitary Self Priming Pump | |
| Sanitary Tanks | Storage Tank |
| Fermentation Tank | |
| Mixing Tank | |
| Warm-keeping Tank | |
| Sanitary Tube | Seamless Tube |
| Weldless Tube | |
| Sanitary Gasket | Silicone/EPDM Gasket for Triclamp |
| Silicone/EPDM Gasket for Union | |
| Silicone/EPDM Gasket for Butterfly Valve | |
| Silicone/EPDM Gasket for Manhole Cover |
FAQ
Q1. Are you a trading company or factory?
We are a manufacturing factory.
Q2. Do you have FDA certificate for the materials?
FDA is very important for the food processing machines.
Q3. May I have free sample before ordering?
Yes,our company is very pleased to send to you free sample for quality test as long as freight cost being paid by buyers themselves.
Q4. What’s the payment terms?
For small testing orders,we accept Paypal,Western Union,T/T and credit Card.
For mass orders,we accept T/T and L/C.
Q5.How do you control the quality?
Quality control is very important to avoid material mixing and poor quality.We control the quality from beginning to the end.We only have 304 and 316L 2 different materials.100% inspection on raw material.During production,different materials in different place.After materials are finished,we choose 10% for inspection.If there is 0.1% problem in 10%,then no excuse to go ahead for inspecting 100% of the materials.
Q6.If there is any quality problem,how do you solve it?
We are proud that we never let 1 customer leave us.We are not 100% perfect,there is some quality problem.We try our best to provide the correct materials in the beginning,so we need less time for quality problem.If there is any quality problem,we take the responsibility.We believe what we are doing together,it will get back tomorrow.If we leave our responsibility,customer will leave us.If we always take our responsibility,we keep our customers with us.
Q7.How long is your delivery time?
For normal production in 7-10days.For bulk order in 15-25days.
Q8.Warranty
One year warranty for all of our stainless steel products.Gaskets are not included due to the different application for customers.
Q9.More questions are appreciated.
Screw Sizes and Their Uses
Screws have different sizes and features. This article will discuss screw sizes and their uses. There are 2 main types: right-handed and left-handed screw shafts. Each screw features a point that drills into the object. Flat tipped screws, on the other hand, need a pre-drilled hole. These screw sizes are determined by the major and minor diameters. To determine which size of screw you need, measure the diameter of the hole and the screw bolt’s thread depth.
The major diameter of a screw shaft
The major diameter of a screw shaft is the distance from the outer edge of the thread on 1 side to the tip of the other. The minor diameter is the inner smooth part of the screw shaft. The major diameter of a screw is typically between 2 and 16 inches. A screw with a pointy tip has a smaller major diameter than 1 without. In addition, a screw with a larger major diameter will have a wider head and drive.
The thread of a screw is usually characterized by its pitch and angle of engagement. The pitch is the angle formed by the helix of a thread, while the crest forms the surface of the thread corresponding to the major diameter of the screw. The pitch angle is the angle between the gear axis and the pitch surface. Screws without self-locking threads have multiple starts, or helical threads.
The pitch is a crucial component of a screw’s threading system. Pitch is the distance from a given thread point to the corresponding point of the next thread on the same shaft. The pitch line is 1 element of pitch diameter. The pitch line, or lead, is a crucial dimension for the thread of a screw, as it controls the amount of thread that will advance during a single turn.
The pitch diameter of a screw shaft
When choosing the appropriate screw, it is important to know its pitch diameter and pitch line. The pitch line designates the distance between adjacent thread sides. The pitch diameter is also known as the mean area of the screw shaft. Both of these dimensions are important when choosing the correct screw. A screw with a pitch of 1/8 will have a mechanical advantage of 6.3. For more information, consult an application engineer at Roton.
The pitch diameter of a screw shaft is measured as the distance between the crest and the root of the thread. Threads that are too long or too short will not fit together in an assembly. To measure pitch, use a measuring tool with a metric scale. If the pitch is too small, it will cause the screw to loosen or get stuck. Increasing the pitch will prevent this problem. As a result, screw diameter is critical.
The pitch diameter of a screw shaft is measured from the crest of 1 thread to the corresponding point on the next thread. Measurement is made from 1 thread to another, which is then measured using the pitch. Alternatively, the pitch diameter can be approximated by averaging the major and minor diameters. In most cases, the pitch diameter of a screw shaft is equal to the difference between the two.
The thread depth of a screw shaft
Often referred to as the major diameter, the thread depth is the outermost diameter of the screw. To measure the thread depth of a screw, use a steel rule, micrometer, or caliper. In general, the first number in the thread designation indicates the major diameter of the thread. If a section of the screw is worn, the thread depth will be smaller, and vice versa. Therefore, it is good practice to measure the section of the screw that receives the least amount of use.
In screw manufacturing, the thread depth is measured from the crest of the screw to the root. The pitch diameter is halfway between the major and minor diameters. The lead diameter represents the amount of linear distance traveled in 1 revolution. As the lead increases, the load capacity decreases. This measurement is primarily used in the construction of screws. However, it should not be used for precision machines. The thread depth of a screw shaft is essential for achieving accurate screw installation.
To measure the thread depth of a screw shaft, the manufacturer must first determine how much material the thread is exposed to. If the thread is exposed to side loads, it can cause the nut to wedge. Because the nut will be side loaded, its thread flanks will contact the nut. The less clearance between the nut and the screw, the lower the clearance between the nut and the screw. However, if the thread is centralized, there is no risk of the nut wedgeing.
The lead of a screw shaft
Pitch and lead are 2 measurements of a screw’s linear distance per turn. They’re often used interchangeably, but their definitions are not the same. The difference between them lies in the axial distance between adjacent threads. For single-start screws, the pitch is equal to the lead, while the lead of a multi-start screw is greater than the pitch. This difference is often referred to as backlash.
There are 2 ways to calculate the pitch and lead of a screw. For single-start screws, the lead and pitch are equal. Multiple-start screws, on the other hand, have multiple starts. The pitch of a multiple-start screw is the same as its lead, but with 2 or more threads running the length of the screw shaft. A square-thread screw is a better choice in applications requiring high load-bearing capacity and minimal friction losses.
The PV curve defines the safe operating limits of lead screw assemblies. It describes the inverse relationship between contact surface pressure and sliding velocity. As the load increases, the lead screw assembly must slow down in order to prevent irreversible damage from frictional heat. Furthermore, a lead screw assembly with a polymer nut must reduce rpm as the load increases. The more speed, the lower the load capacity. But, the PV factor must be below the maximum allowed value of the material used to make the screw shaft.
The thread angle of a screw shaft
The angle between the axes of a thread and the helix of a thread is called the thread angle. A unified thread has a 60-degree angle in all directions. Screws can have either a tapped hole or a captive screw. The screw pitch is measured in millimeters (mm) and is usually equal to the screw major diameter. In most cases, the thread angle will be equal to 60-degrees.
Screws with different angles have various degrees of thread. Originally, this was a problem because of the inconsistency in the threading. However, Sellers’s thread was easier to manufacture and was soon adopted as a standard throughout the United States. The United States government began to adopt this thread standard in the mid-1800s, and several influential corporations in the railroad industry endorsed it. The resulting standard is called the United States Standard thread, and it became part of the ASA’s Vol. 1 publication.
There are 2 types of screw threads: coarse and fine. The latter is easier to tighten and achieves tension at lower torques. On the other hand, the coarse thread is deeper than the fine one, making it easier to apply torque to the screw. The thread angle of a screw shaft will vary from bolt to bolt, but they will both fit in the same screw. This makes it easier to select the correct screw.
The tapped hole (or nut) into which the screw fits
A screw can be re-threaded without having to replace it altogether. The process is different than that of a standard bolt, because it requires threading and tapping. The size of a screw is typically specified by its major and minor diameters, which is the inside distance between threads. The thread pitch, which is the distance between each thread, is also specified. Thread pitch is often expressed in threads per inch.
Screws and bolts have different thread pitches. A coarse thread has fewer threads per inch and a longer distance between threads. It is therefore larger in diameter and longer than the material it is screwed into. A coarse thread is often designated with an “A” or “B” letter. The latter is generally used in smaller-scale metalworking applications. The class of threading is called a “threaded hole” and is designated by a letter.
A tapped hole is often a complication. There is a wide range of variations between the sizes of threaded holes and nut threads, so the tapped hole is a critical dimension in many applications. However, even if you choose a threaded screw that meets the requisite tolerance, there may be a mismatch in the thread pitch. This can prevent the screw from freely rotating.
