China wholesaler Drive Electric Wafer Cast Iron Ductile Iron Electric Lug Butterfly Valve near me factory

Product Description

DN A B C L PN10 PN16 CLASS125/150 JIS 5K JIS 10K ∅G ∅J 4-∅f H Top flange 
∅K n-M ∅K n-M ∅K n-M ∅K n-M ∅K n-M
40 120 80 33 33 110 4-M16 110 4-M16 98.4 4-1/2″-12 95 4-M12 105 4-M16 90 70 10 9 F07
50 124 80 33 43 125 4-M16 125 4-M16 120.7 4-5/8″-11 105 4-M12 120 4-M16 90 70 10 9 F07
65 134 89 33 46 145 8-M16 145 8-M16 139.7 4-5/8″-11 130 4-M12 140 4-M16 90 70 10 9 F07
80 141 95 33 46 160 8-M16 160 8-M16 152.4 4-5/8″-11 145 4-M12 150 8-M16 90 70 10 9 F07
100 156 114 33 52 180 8-M16 180 8-M16 190.5 8-5/8″-11 165 8-M16 175 8-M16 90 70 10 11 F07
125 168 127 33 56 210 8-M16 210 8-M16 215.9 8-3/4″-10 200 8-M16 210 8-M20 90 70 10 14 F07
150 184 140 33 56 240 8-M16 240 8-M20 241.3 8-3/4″-10 230 8-M16 240 8-M20 90 70 10 14 F07
200 213 175 37 60 295 8-M16 295 12-M20 298.5 8-3/4″-10 280 8-M16 290 12-M20 125 102 12 17 F10
250 244 220 37 68 350 12-M20 355 12-M24 362 12-7/8″-9 350 12-M20 355 12-M22 125 102 12 22 F10
300 283 255 37 78 400 12-M20 410 12-M24 431.8 12-7/8″-9 390 12-M20 400 16-M22 150 125 14 22 F12

Performance Specification                                             

   Nominal Diameter (DN) 25(1″)~600(24″) 25(1″)~600(24″) DN (inch)
Nominal Pressure (PN) 10 16 BAR
 Test Pressure Body 15 24
 Sealing 11 17.6
Working temperatureºC -15ºC~+150ºC
Applicable Mediums Fresh water, sewage, sea water, air, steam, food, drug, various oil, acid, alkali, salt, etc.

Note: Applicable temperature and mediums are depending on the materials of different valve seats, bodies, stems and discs, see table 1 and table 2:     

table 1

Body Disc Stem
Name Code Name Code Name Code
Cast Iron GG25  Electric-plated
GGG40+Ni Stainless Steel 416/316
 Ductile   Iron(DI) GGG40 AL-Bronze C954/C958     431/17-4
AL-Bronze C954/C958 Stainless Steel CF8/CF8M    
Stainless Steel CF8/CF8M Coating DI  GGG40+Nylon    
Carbon Steel WCB        

table 2

Seat Applicable TemperatureºC  Applicable Medium
HYPALON -15ºC~+120ºC Water, some kind of oil and moderate chemicals, ozone, fat, animal fat, several of solvents, high and low pressure steam are forbidden.
EPR -15ºC~+121ºC Ozone, strong and chemical oxidation, several of solvents, alcohol, acid and alkali, low pressure steam, air, water, heavy water, sewage, hot and cold water.
CR -15ºC~+99ºC Air, water, heavy water, oil, moderate chemicals, acids, ozone, fat, animal fat, several of solvents.
NBR -15ºC~+82ºC Water, sea water, air, gases, chemicals, alcohol, the non aromatic agent, kerosene, animal and plant oil, light grinding medium, shall not apply to phosphate series oil and extreme pressure additive oil.
DRC -10ºC~+50ºC Mainly suitable for semiliquid and solid powder medium, such as mud, coal slurry, cement powder, coal powder and other powder materials.
VITON -15ºC~+135ºC Water, sea water, sewage, alcohol, paraffin wax, oxygen, air, etc. High Chemical resistance, especially suitable for aliphatic fragrances in high temperature environment, and animal & plant oil with halogenated hydrocarbon acid. High and low pressure steam is forbidden.
EPDM X9 -15ºC~+150ºC Mainly applicable to the low pressure steam with high temperature, hot & cold water and heat pipes for disposable water treatment.
PTFE   -18ºC~+200ºC Mainly applicable to strong acid, strong alkali and other corrosive medium.

Part Material Code
Body Cast Iron
Ductile Iron
Cast Steel
Stem Stainless Steel SS416/SS431
Disc Ductile Iron
Stainless Steel
Aluminium Bronze
Seat Copolymer EPDM
NItrile Bubber
Fluorine Rubber



Industrial Use

The butterfly valves are widely used in piping of chemical, food, medicine, paper making, water and electricity, shipbuilding, water supply and drainage, metallurgy and energy systems, and is available for regulating and closure devices in a variety of corrosive, non – corrosive gas, liquid, semi-liquid and solid powder pipelines and containers.CZPT Ninjing Yahua Industries Co., Ltd is located in HangZhou City ZheJiang Province. Founded in 2571, CZPT is 1 of the leading companies specializing in R&D, design and manufacturing of a full range of industrial valves made from premium materials. These include butterfly valves, check valves, Y strainers, rubber joints, gate valves and ball valves, as well as aluminum die casting and a wide range of related accessories for pipe fittings.

Presently CZPT hold all required certification such as ABS, CE, DNV-GL, ISO9001, LR for export needs. The products have been exported to Europe, Middle East, America, Africa and Asia Pacific areas. Many large projects have been successfully installed, with complete customer satisfaction, in different sectors of industries.

Afcon is fully equipped with an “in-house” sand casting line and powder coating line catering not only to ensure direct QA and efficiency in the production process, but with the added reduction in our cost base. Presently our facilities cover an area of 50, 000 square meters with opportunity to expand our growth in export markets.

With over 8 years of growth development and experience with our successful product research, manufacturing expertise and sales performance we have proven that “Quality IS our Business”.

Welcome friends from all over the world to our company for visiting and cooperation.

Our company is well equipped with all the advanced manufacturing equipments, including machining centers, CNC lathes, CNC milling machine, CNC drilling machine, automatic welding equipment and professional spray lines.

AFCON also has independently established an advanced chemical laboratory. With the establishment of an advanced pressure test centers, it is full-equipped with universal material testing machine, pendulum impact testing machine, ultrasonic hardness tester, ultrasonic thickness gauge, magnetic detectors, ultrasonic nondestructive testing equipment, low temperature testing machine, cold stamping testing machine, the establishment of an advance pressure test center.

AFCON today is 1 of the leading companies specializing in the R&D, design & manufacturing of a full range of INDUSTRIAL valves made from premium materials. These include butterfly valves, fully welded ball valves, dual plate check valves, Y strainers, as well as aluminum die casting and a wide range of related accessories for pipe fittings.

The modern CZPT office, engineering & manufacturing facilities, located in a small industrial town called HangZhou City, ZheJiang Province, which is 40 minutes away from the ZheJiang transportation Hub, and only 1 hour ZheJiang by high speed train.

AFCON has continuously committed to the Research and Development of Industrial valves in our engineering and manufacturing. We will be making every necessary effort to offer “environment friendly” and “customer oriented” products to the high quality expectations of our present and future clients.

AFCON’s Export Sales Team looks forward to meeting with new ‘friends’ in our industry in order to fulfill our joint desire for mutual business growth.

“Quality IS our Business”

With over 10 years of growth development and experience with our successful product research, manufacturing expertise and sales performance we have proven that “Quality IS our Business”.

Quality sets the guidelines and targets that we need to meet our Customers’ demands therefore ensuring we continually endeavor to strive for improvement with our Research and Development, products and standards so they always meet with and satisfy the ever increasing needs and demands of our customers.

We also have a specific focus to develop products that enhance ‘Safety’ and the workplace. We plan to release some innovative valves, especially in fire safe industries with API approval for this in the very near future. “

Our TEAM looks forward to meeting you in the near future.

Q: What is your payment term?
A: T/T 30% down payment, balance to be paid before shipment. Or L/C.

Q: How long is your delivery time?
A: Depends on QTY.

Q: Are you a manufacturer or trading company? How to reach your company from ZheJiang ?
A: We are a well-experienced manufacturer. And it is about 1.5 hours by high speed train from
ZheJiang Nan Station.

Q: Do you provide samples? Is it free or charged?
A: Yes, we can offer sample free but shipping charges covered by customer.

Q: If products have some quality problem, how would you deal with?
A: We will responsible for all the quality problems if it is not human causes.


Different parts of the drive shaft

The driveshaft is the flexible rod that transmits torque between the transmission and the differential. The term drive shaft may also refer to a cardan shaft, a transmission shaft or a propeller shaft. Parts of the drive shaft are varied and include:
The driveshaft is a flexible rod that transmits torque from the transmission to the differential

When the driveshaft in your car starts to fail, you should seek professional help as soon as possible to fix the problem. A damaged driveshaft can often be heard. This noise sounds like “tak tak” and is usually more pronounced during sharp turns. However, if you can’t hear the noise while driving, you can check the condition of the car yourself.
The drive shaft is an important part of the automobile transmission system. It transfers torque from the transmission to the differential, which then transfers it to the wheels. The system is complex, but still critical to the proper functioning of the car. It is the flexible rod that connects all other parts of the drivetrain. The driveshaft is the most important part of the drivetrain, and understanding its function will make it easier for you to properly maintain your car.
Driveshafts are used in different vehicles, including front-wheel drive, four-wheel drive, and front-engine rear-wheel drive. Drive shafts are also used in motorcycles, locomotives and ships. Common front-engine, rear-wheel drive vehicle configurations are shown below. The type of tube used depends on the size, speed and strength of the drive shaft.
The output shaft is also supported by the output link, which has 2 identical supports. The upper part of the drive module supports a large tapered roller bearing, while the opposite flange end is supported by a parallel roller bearing. This ensures that the torque transfer between the differentials is efficient. If you want to learn more about car differentials, read this article.

It is also known as cardan shaft, propeller shaft or drive shaft

A propshaft or propshaft is a mechanical component that transmits rotation or torque from an engine or transmission to the front or rear wheels of a vehicle. Because the axes are not directly connected to each other, it must allow relative motion. Because of its role in propelling the vehicle, it is important to understand the components of the driveshaft. Here are some common types.
Isokinetic Joint: This type of joint guarantees that the output speed is the same as the input speed. To achieve this, it must be mounted back-to-back on a plane that bisects the drive angle. Then mount the 2 gimbal joints back-to-back and adjust their relative positions so that the velocity changes at 1 joint are offset by the other joint.
Driveshaft: The driveshaft is the transverse shaft that transmits power to the front wheels. Driveshaft: The driveshaft connects the rear differential to the transmission. The shaft is part of a drive shaft assembly that includes a drive shaft, a slip joint, and a universal joint. This shaft provides rotational torque to the drive shaft.
Dual Cardan Joints: This type of driveshaft uses 2 cardan joints mounted back-to-back. The center yoke replaces the intermediate shaft. For the duplex universal joint to work properly, the angle between the input shaft and the output shaft must be equal. Once aligned, the 2 axes will operate as CV joints. An improved version of the dual gimbal is the Thompson coupling, which offers slightly more efficiency at the cost of added complexity.

It transmits torque at different angles between driveline components

A vehicle’s driveline consists of various components that transmit power from the engine to the wheels. This includes axles, propshafts, CV joints and differentials. Together, these components transmit torque at different angles between driveline components. A car’s powertrain can only function properly if all its components work in harmony. Without these components, power from the engine would stop at the transmission, which is not the case with a car.
The CV driveshaft design provides smoother operation at higher operating angles and extends differential and transfer case life. The assembly’s central pivot point intersects the joint angle and transmits smooth rotational power and surface speed through the drivetrain. In some cases, the C.V. “U” connector. Drive shafts are not the best choice because the joint angles of the “U” joints are often substantially unequal and can cause torsional vibration.
Driveshafts also have different names, including driveshafts. A car’s driveshaft transfers torque from the transmission to the differential, which is then distributed to other driveline components. A power take-off (PTO) shaft is similar to a prop shaft. They transmit mechanical power to connected components. They are critical to the performance of any car. If any of these components are damaged, the entire drivetrain will not function properly.
A car’s powertrain can be complex and difficult to maintain. Adding vibration to the drivetrain can cause premature wear and shorten overall life. This driveshaft tip focuses on driveshaft assembly, operation, and maintenance, and how to troubleshoot any problems that may arise. Adding proper solutions to pain points can extend the life of the driveshaft. If you’re in the market for a new or used car, be sure to read this article.

it consists of several parts

“It consists of several parts” is 1 of 7 small prints. This word consists of 10 letters and is 1 of the hardest words to say. However, it can be explained simply by comparing it to a cow’s kidney. The cocoa bean has several parts, and the inside of the cocoa bean before bursting has distinct lines. This article will discuss the different parts of the cocoa bean and provide a fun way to learn more about the word.

Replacement is expensive

Replacing a car’s driveshaft can be an expensive affair, and it’s not the only part that needs servicing. A damaged drive shaft can also cause other problems. This is why getting estimates from different repair shops is essential. Often, a simple repair is cheaper than replacing the entire unit. Listed below are some tips for saving money when replacing a driveshaft. Listed below are some of the costs associated with repairs:
First, learn how to determine if your vehicle needs a driveshaft replacement. Damaged driveshaft components can cause intermittent or lack of power. Additionally, improperly installed or assembled driveshaft components can cause problems with the daily operation of the car. Whenever you suspect that your car needs a driveshaft repair, seek professional advice. A professional mechanic will have the knowledge and experience needed to properly solve the problem.
Second, know which parts need servicing. Check the u-joint bushing. They should be free of crumbs and not cracked. Also, check the center support bearing. If this part is damaged, the entire drive shaft needs to be replaced. Finally, know which parts to replace. The maintenance cost of the drive shaft is significantly lower than the maintenance cost. Finally, determine if the repaired driveshaft is suitable for your vehicle.
If you suspect your driveshaft needs service, make an appointment with a repair shop as soon as possible. If you are experiencing vibration and rough riding, driveshaft repairs may be the best way to prevent costly repairs in the future. Also, if your car is experiencing unusual noise and vibration, a driveshaft repair may be a quick and easy solution. If you don’t know how to diagnose a problem with your car, you can take it to a mechanic for an appointment and a quote.

China wholesaler Drive Electric Wafer Cast Iron Ductile Iron Electric Lug Butterfly Valve   near me factory China wholesaler Drive Electric Wafer Cast Iron Ductile Iron Electric Lug Butterfly Valve   near me factory