In the world of industrial processes and fluid control, the ball valve stands as a pivotal component, offering a reliable and efficient solution for regulating the flow of various fluids.
Contact us to discuss your requirements of Ball Valve Cast Iron. Our experienced sales team can help you identify the options that best suit your needs.
Whether you are an engineer, a business owner, or someone curious about the intricacies of fluid dynamics, understanding ball valves is essential. In this comprehensive guide, we will delve into the depths of ball valves, exploring their design, functionality, applications, and the factors to consider when choosing the ideal ball valve for your specific requirements.
At its core, a ball valve is a mechanical device used to control the flow of fluids, primarily liquids and gases, through a pipeline or system. It derives its name from the ball-shaped obturator that rotates within the valve body, serving as the main flow control element. By turning the valve handle or actuator, the ball can be aligned in different positions, allowing or obstructing the fluid’s path. Ball valves are renowned for their quick on/off operation, durability, and ability to endure high-pressure environments.
The valve body, typically made from materials like stainless steel, brass, or cast iron, serves as the primary framework that holds all the components together. It contains ports for fluid entry and exit and encases the ball and other internal parts securely.
The heart of the ball valve is the spherical ball, usually made from materials like chrome-plated brass, stainless steel, or PVC. The ball features a hole (bore) through its center, which allows or obstructs fluid flow when aligned or rotated perpendicular to the pipeline.
The valve stem connects the ball to the external actuator or handle. It acts as a pivotal link, facilitating the movement of the ball within the valve body.
To ensure a tight seal and prevent leakage, ball valves employ seats and seals around the ball’s surface. The materials used for these components depend on the fluid being handled and the temperature and pressure conditions.
The actuator serves as the external control mechanism for the ball valve. It can be in the form of a lever, handwheel, pneumatic actuator, or electric motor, allowing easy manipulation of the ball’s position.
Ball valves come with various end connections to suit different applications. Common types include threaded, flanged, or welded ends.
Utilizing a ball valve in conjunction with your water tank and pump can offer efficient control over the water flow and contribute to the smooth operation of your system.
One of the primary uses of a ball valve in this setup is to regulate the flow of water into and out of the water tank. When you need to fill the tank with water from an external source, simply open the ball valve by turning the handle or actuator. This allows water to enter the tank, and you can monitor the filling process as needed.
Conversely, when it’s time to empty the tank, perhaps for maintenance or to supply water to various outlets, you can close the ball valve to stop the inflow and open it again to release the water. The quick on/off operation of the ball valve ensures efficient control without any delay.
In some instances, you might want to control the water pressure from the tank to match the requirements of your specific application. A ball valve placed downstream of the pump can be adjusted to regulate the flow rate, which, in turn, affects the water pressure.
By partially closing the ball valve, you reduce the flow, and consequently, the pressure increases. Conversely, opening the valve wider allows more water to pass through, resulting in reduced pressure. This simple adjustment can be crucial for applications where maintaining a consistent water pressure is essential.
A ball valve is also useful for isolating the water tank and rainwater pump from the rest of the system. For instance, if you need to conduct maintenance on the pump or replace the tank, closing the ball valve will halt the water flow, preventing any water from entering or leaving the system during the maintenance process.
This isolation feature is especially valuable as it eliminates the need to shut off the entire water supply, enabling you to work on the specific components without disrupting the overall water distribution.
In the event of an emergency, such as a sudden leak or a malfunctioning pump, having a ball valve in place allows for a swift shut-off of water flow. The quick and reliable on/off operation ensures immediate response to mitigate potential damage or hazards.
In regions where freezing temperatures are a concern, winterizing the water tank and pump becomes crucial. By closing the ball valve and draining the water from the system, you can prevent water from freezing and causing damage to pipes and components.
Remember that selecting the appropriate ball valve size, material, and pressure rating is vital to ensure it can handle the specific demands of your water tank and pump system. Regular maintenance and periodic inspections of the valve and its associated components will also help maintain its functionality and extend its service life.
The full bore ball valve, also known as a full port ball valve, features a large ball with a bore diameter equal to the pipeline’s inner diameter. This design minimizes flow restrictions, resulting in reduced pressure drops across the valve.
The reduced bore ball valve, or reduced port ball valve, has a smaller ball bore diameter compared to the pipeline’s inner diameter. While it offers slightly higher resistance to flow, it is more compact and cost-effective.
In a floating ball valve, the ball is not fixed to the valve stem. Instead, it is allowed to float slightly, relying on the pressure of the fluid to create a seal against the seats.
The trunnion-mounted ball valve utilizes additional mechanical support through a trunnion, which reduces the ball’s load on the seats. This design is preferred for larger and high-pressure valves.
The V-port ball valve features a V-shaped ball, which enables greater flow control accuracy. It finds applications in precise flow regulation processes.
A multi-port ball valve comes with multiple ports and ball configurations, allowing versatile flow patterns and diverting fluid in various directions.
Ball valves offer numerous advantages, making them a popular choice across various industries. Some key benefits include:
The versatility and reliability of ball valves enable their use across numerous industries and applications:
Ball valves are prevalent in the oil and gas sector for their ability to control the flow of crude oil, natural gas, and various other hydrocarbons.
In chemical processing plants, ball valves play a crucial role in managing aggressive and corrosive fluids with precision.
Ball valves are widely used in water distribution networks, treatment plants, and wastewater management systems due to their efficiency and resilience.
Ball valves regulate the flow of water and refrigerants in heating, ventilation, and air conditioning systems, aiding in temperature control.
In industries with stringent hygiene requirements, such as pharmaceuticals and food processing, ball valves offer smooth operation and ease of cleaning.
Ball valves are essential components in shipbuilding and marine applications, providing reliable fluid control on vessels.
Choosing the appropriate ball valve for your specific needs requires consideration of several factors:
Select a valve size compatible with your pipeline, and ensure the end connections match your existing system.
Evaluate the compatibility of valve materials with the fluid being handled and the environmental conditions.
Ensure that the selected ball valve can withstand the pressure and temperature requirements of your application.
Determine the degree of flow control precision needed and choose the appropriate ball valve type (full bore, V-port, etc.).
Consider the ease of operation and the required actuation mechanism (manual, electric, or pneumatic).
Ball valves, with their efficient design and robust functionality, have revolutionized fluid control in countless industries. Understanding their construction, working mechanisms, types, and applications is crucial for making informed decisions when selecting the right ball valve for your needs. Whether in oil and gas, chemical processing, water treatment, or various other sectors, the right ball valve can optimize operations, enhance efficiency, and ensure the smooth flow of fluids in your systems.
Find Out More
• Low-Cost • Easy to Use • Selection of Meters • Selection of Valves
- How Many Gallons Do You Want?
See all accessories for water meters
What is Pulse Output?
Compare all Meters that Display Flow Rate
Overview of all Acccessories
• Vents actuator to failsafe • Closes air supply line • Easy to test and reset • No contact with process media
Adds Thermal Shutdown to ANY spring return pneumatic actuator!
Note: ALL Actuated Ball, Plug, and Butterfly valves are also available with manual operator levers. See any series for more info.
INFO
BUY
VA Series
Materials
Body: Nickle Plated Brass
Seals: Viton, EPDM, or Buna
Connections
NPT: 3/8" to 2"
INFO
BUY
VIP Series
Materials
Body: Nickle Plated Brass
Seals: Viton, EPDM, or Buna
Connections
G (BSPP): 3/8" to 2"
INFO
BUY
VIP-EVO Series
Materials
Body: Aluminum (non-wetted)
End Conn: Ni plated Brass (wetted)
Piston: Chem. Ni plated Brass (wetted)
Seat: PTFE 15% Glass Fiber
Seals: Viton, EPDM, or Buna
Connections
NPT: 3/8" to 2"
G (BSPP): 3/8" to 2"
INFO
BUY
Angle Valves
Materials
Body: SS or Bronze
Seals: PTFE
Connections
NPT: 3/8" to 2"
Tri-Clamp: 1/2" to 2"
INFO
BUY
SV Series
Materials
Body: Stainless Steel
Seals: Viton or EPDM
Connections
NPT: 1/4" to 2"
INFO
BUY
RSG Series
Materials
Body: SS or Brass
Seals: FKM
Seats: PTFE
Connections
NPT: 3/8" to 1 1/4"
INFO
BUY
SM Series
Materials
Body: Brass or Lead Free Brass
Seals: PTFE
Seats: PTFE
Connections
NPT: 1/2" to 2"
INFO
BUY
P2 Series
Materials
Body: PVC
Seals: EPDM or Viton
Seats: PTFE
Connections
NPT: 1/2" to 4"
Glue Socket: 1/2" to 4"
INFO
BUY
101 Series
Materials
Body: Nickel Plated Brass
Seals: PTFE
Seats: PTFE
Connections
NPT: 3/8" to 3"
INFO
BUY
26 Series
Materials
Body: Stainless steel
Seals: PTFE & Viton
Seats: RPTFE
Connections
NPT: 1/4" to 3"
INFO
BUY
38 Series
Materials
Body: Stainless steel
Seals: PTFE
Seats: RPTFE
Connections
NPT: 1/4" to 3"
Socket Weld: 1/4" to 3"
Tri-clamp: 1/2" to 4"
Ext. Tube Butt Weld: 1/2" to 4"
INFO
BUY
36 Series
Materials
Body: Stainless steel
Seals: PTFE
Seats: RPTFE
Connections
NPT: 1/4" to 3"
Socket Weld: 1/4" to 3"
Tri-clamp: 1/2" to 4"
INFO
BUY
150F/300F Series
Materials
Body: Carbon or stainless steel
Seals: TFM or Graphite
Seats: TFM or 50/50
Connections
150#: 1/2" to 8"
300#: 1/2" to 8"
INFO
BUY
150F/300F Series
Materials
Body: Carbon or stainless steel
Seals: TFM or Graphite
Seats: TFM or 50/50
Connections
150#: 1/2" to 8"
300#: 1/2" to 8"
INFO
BUY
HPF Series
Materials
Body: Carbon or stainless steel
Seals: TFM or Graphite
Seats: TFM or 50/50
Connections
NPT: 1/2" to 4"
Socket Weld: 1/2" to 4"
INFO
BUY
HPF Series
Materials
Body: Carbon or stainless steel
Seals: TFM or Graphite
Seats: TFM or 50/50
Connections
NPT: 1/2" to 4"
Socket Weld: 1/2" to 4"
INFO
BUY
XP3 Series
Materials
Body: Carbon or stainless steel
Seals: TFM or Graphite
Seats: TFM or 50/50
Connections
NPT: 1/2" to 4"
Socket Weld: 1/2" to 4"
INFO
BUY
DSI-WG Series
Materials
Body: Carbon Steel (A216 WCB)
Trim: API Trim 8 (others available)
Connections
150#: 2" to 30"
300#, 600#, 900#, 1500#: Call
INFO
BUY
XLB Series
Materials
Body: PFA lined Ductile Iron
Seals: PTFE
Seats: PTFE
Connections
150#: 1/2" to 6"
INFO
BUY
V Series
Materials
Body: Carbon or Stainless Steel
Seats: PTFE, TFM, or 50/50
Seats: PTFE, TFM, or 50/50
Connections
NPT: 1/2" to 4"
150#/300#: 1/2" to 8"
Tri-Clamp: 1/2" to 4"
INFO
BUY
SM Series
Materials
Body: Brass or Lead Free Brass
Seals: PTFE
Seats: PTFE
Connections
NPT: 1/2" to 2"
INFO
BUY
30D Series
Materials
Body: Stainless Steel
Seats: PTFE
Seals: PTFE
Connections
Tri-Clamp: 1/2" to 4"
INFO
BUY
31D Series
Materials
Body: Stainless Steel
Seats: PTFE
Seals: PTFE/Viton or RPTFE
Connections
NPT: 1/4" to 3"
INFO
BUY
33D Series
Materials
Body: Brass
Seats: RPTFE
Seals: RPTFE/Viton
Connections
NPT: 1/4" to 2"
INFO
BUY
MPF Series
Materials
Body: Carbon or Stainless Steel
Seats: TFM
Seals: TFM
Connections
150#: 3/4" to 6"
300#: 1 1/2" to 6"
INFO
BUY
PTP Series
Materials
Body: PVC
Seats: PTFE
Seats: EPDM or Viton
Connections
NPT: 1/2" to 2"
Glue Socket: 1/2" to 2"
INFO
BUY
BFY Series
Materials
Body: 316L SS
Seats: EPDM, SIlicon, or Viton
Connections
Tri-Clamp: 1/2" to 6"
Butt Weld: 1/2" to 6"
INFO
BUY
FE Series
Materials
Body: PVC
Seats: EPDM
Connections
Wafer: 1 1/2" to 12"
INFO
BUY
FK Series
Materials
Body: GRPP
Seats: Polypropylene
Connections
Wafer: 1 1/2" to 12"
Lugged: 2 1/2" to 12"
INFO
BUY
HP Series
Materials
Body: Carbon or Stainless Steel
Seats: RPTFE
Connections
Wafer: 2" to 12"
Lugged: 2" to 12"
INFO
BUY
HPX Series
Materials
Body: Carbon or Stainless Steel
Seats: Graphite
Connections
Wafer: 3" to 48"
Lugged: 3" to 48"
ANSI class 150, 300, 600
INFO
BUY
HPX Series
Materials
Body: Carbon or Stainless Steel
Seats: Graphite
Connections
Wafer: 3" to 48"
Lugged: 3" to 48"
ANSI class 150, 300, 600
INFO
BUY
ST Series
Materials
Body: Epoxy Coated Ductile Iron
Seats: BUNA or EPDM
Connections
Wafer: 2" to 12"
Lugged: 2" to 24"
INFO
BUY
XLD Series
Materials
Body: PFA Lined Ductile Iron
Seats: Viton
Connections
Wafer: 2" to 24"
Lugged: 2" to 24"
INFO
BUY
061 Series
Materials
Body: PFA Lined Ductile Iron
Plug: PFA Lined Ductile Iron
Connections
150#: 1/2" to 4"
INFO
BUY
067 Series
Materials
Body: Stainless Steel
Seals: PTFE
Connections
150#: 1/2" to 4"
INFO
BUY
XP3 Series
Materials
Body: Stainless Steel or Carbon Steel
Seals: PTFE, RPTFE, PFA, or Special
Connections
150#: 1/2" to 12"
300#: 1/2" to 12"
INFO
BUY
GVI Series
Materials
Body: Carbon or Stainless Steel
Trim: SS, TFE, or PEEK
Connections
150#: 1/2" to 4"
300#: 1/2" to 4"
NPT: 1/2" to 2"
SW: 1/2" to 2"
INFO
BUY
GV Series
Materials
Body: Bronze or Stainless Steel
Trim: Bronze, SS, or PEEK
Connections
NPT: 1/2" to 2"
Butt Weld: 1/2" to 2"
INFO
BUY
GH Series
Materials
Body: Cast Iron
Trim: Bronze or SS
Connections
150# Flange: 2 1/2" to 8"
300# Flange: 2 1/2" to 8"
INFO
BUY
EWG Series
Materials
Body: Carbon Steel (A216 WCB)
Trim: API Trim 8 (others available)
Connections
150#: 2" to 30"
300#, 600#, 900#, 1500#: Call
INFO
BUY
DSI-WG Series
Materials
Body: Carbon Steel (A216 WCB)
Trim: API Trim 8 (others available)
Connections
150#: 2" to 30"
300#, 600#, 900#, 1500#: Call
INFO
BUY
21 Series
Materials
Body: Stainless Steel
Seats: PTFE
Seals: PTFE
Connections
NPT: 1/4" to 2"
INFO
BUY
282 Series
Materials
The company is the world’s best Butterfly Valve Made In China supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.
Body: Brass
Seats: PTFE
Seals: PTFE
Connections
NPT: 1/4" to 4"
NPT (male x female): 1/4" to 1"
Solder: 1/2" to 4"
INFO
BUY
282LF Series
Materials
Body: Lead Free Brass
Seats: PTFE
Seals: PTFE
Connections
NPT: 1/2" to 2"
INFO
BUY
Manual Valves
2-way Ball Valves
NPT: 1/4" to 3"
Socket Weld: 1/4" to 3"
Tri-Clamp: 1/2" to 3"
3-way Ball Valves
NPT: 1/4" to 2"
Butterfly Valves
Lugged: 2" to 8"
INFO
BUY
112LF Series
Materials
Body: Stainless Steel
Seats: PTFE
Seals: PTFE
Connections
NPT: 1/2" to 2"
INFO
BUY
282LF Series
Materials
Body: Brass
Seats: PTFE
Seals: PTFE
Connections
NPT: 1/4" to 4"
NPT (male c female): 1/4" to 1"
Solder: 1/2" to 4"
INFO
BUY
250LF Series
Materials
Body: Lead Free Brass
Seats: PTFE
Seals: PTFE
Connections
NPT: 1/2" to 2"
INFO
BUY
Manual Valves
2-way Ball Valves
NPT: 1/4" to 3"
Socket Weld: 1/4" to 3"
Tri-Clamp: 1/2" to 3"
3-way Ball Valves
NPT: 1/4" to 2"
Butterfly Valves
Lugged: 2" to 8"
INFO
BUY
TSV Series
Materials
Valve: Ball or Butterfly
Body: Carbon or Stainless Steel
Seals: Delrin®
Connections
NPT: 1/4"
SW: 1/4"
150#: 1/4"
300#: 1/4"
Lugged: 1/4"
Wafer: 1/4"
INFO
BUY
FireChek® Series
Materials
Body: Stainless Steel
Seals: Delrin®
Connections
NPT: 1/4"
ISO: 1/4"
INFO
BUY
FM Fire-Safe Valves
Materials
Body: Carbon or Stainless Steel
Seals: Graphoil
Seats: Xtreme RPTFE
Connections
NPT: 1/2" to 2"
150#/300#: 1/2" to 4"
Lug/Wafer: 3" & 4"
INFO
BUY
ESD Series
Materials
Body: Carbon or Stainless Steel
Seals: TFM or Graphite
Seats: TFM or 50/50
Connections
150#: 1/2" to 8"
300#: 1/2" to 8"
NPT: 1/2" to 4"
Socket Weld: 1/2" to 4"
INFO
BUY
ESOV Series
Materials
Body: Carbon or Stainless Steel
Seat: API Trim 8 or 12
Cover Seal: Graphite
Connections
150#: 2" to 16"
300#: 2" to 16"
INFO
BUY
150F/300F Series
Materials
Body: Carbon or Stainless Steel
Seals: TFM or Graphite
Seats: TFM or 50/50
Connections
150#: 1/2" to 8"
300#: 1/2" to 8"
INFO
BUY
FM Fire-Safe Valves
Materials
Body: Carbon or Stainless Steel
Seals: Graphoil
Seats: Xtreme RPTFE
Connections
NPT: 1/2" to 2"
150#/300#: 1/2" to 4"
Lug/Wafer: 3" & 4"
INFO
BUY
HPF Series
Materials
Body: Carbon or Stainless Steel
Seals: TFM or Graphite
Seats: TFM or 50/50
Connections
NPT: 1/2" to 4"
Socket Weld: 1/2" to 4"
INFO
BUY
HP Series
Materials
Body: Carbon or Stainless Steel
Seals: TFM or Graphite
Seats: TFM or 50/50
Connections
Wafer: 2" to 12"
Lugged: 2" to 12"
INFO
BUY
ESD Series
Materials
Body: Carbon or Stainless Steel
Seals: TFM or Graphite
Seats: TFM or 50/50
Connections
150#: 1/2" to 8"
300#: 1/2" to 8"
NPT: 1/2" to 4"
Socket Weld: 1/2" to 4"
INFO
BUY
C Series
Materials
Housing: Extruded aluminum alloy
End Caps: Powder coated die-cast aluminum
Torque
Spring Return: up to 56,500 in/lbs.
Double Acting: up to 59,000 in/lbs.
INFO
BUY
F Series
Materials
Housing: Polyurethane coated aluminum
Torque
Spring Return: up to 13,211 in/lbs.
Double Acting: up to 21,430 in/lbs.
INFO
BUY
O Series
Materials
Housing: Aluminum with corrosion resistant coating
Torque
Spring Return: up to 25,600 in/lbs.
Double Acting: up to 25,600 in/lbs.
INFO
BUY
P Series
Materials
Housing: Aluminum with corrosion resistant coating
Torque
Spring Return: up to 25,600 in/lbs.
Double Acting: up to 25,600 in/lbs.
INFO
BUY
CE Series
Materials
Housing: Ploycarbonate plastic (ABSPC)
Torque
100 in/lbs.
INFO
BUY
V4 Series
Materials
Housing: Epoxy coated aluminum
Torque
125 or 300 in/lbs.
INFO
BUY
R4 Series
Materials
Housing: Polycarbonate
Torque
300 or 600 in/lbs.
INFO
BUY
S4 Series
Materials
Housing: Anti-corrosive polyamide
Torque
up to 2,600 in/lbs.
INFO
BUY
O Series
Materials
Housing: Diecast aluminum alloy
Torque
up to 8,680 in/lbs.
INFO
BUY
B7 Series
Materials
Housing: Epoxy powder coated aluminum
Torque
up to 20,000 in/lbs.
INFO
BUY
Limit Switches
INFO
BUY
Solenoid Valves
INFO
BUY
FEX Series
Easily Retro-fits on
HPF, 150F, and 300F Ball ValvesHPF, 150F, and 300F Ball Valves
INFO
BUY
Valve Positioners
INFO
BUY
Eliminizer Series
Air Flow
20 to 150 SCFM
Connections
NPT (female): 1/4" to 1"
Filtration
Solids: 1 micron
Water: 100% removal
INFO
BUY
Eliminizer Combo Series
Air Flow
20 to 150 SCFM
Connections
NPT (female): 1/4" to 1"
Filtration
Solids: .01 micron
Water: 100% removal
INFO
BUY
CB Series
INFO
BUY
Valve Lockout Devices
INFO
BUY
01N Series
Materials
Body: Nylon
Connections
NPT: 1"
INFO
BUY
01A Series
Materials
Body: Aluminum
Connections
NPT: 1"
INFO
BUY
DM-P Series
Materials
Body: Plastic
Connections
NPT (male): 1/4" to 1"
INFO
BUY
A1 Series
Materials
Body: Aluminum or Nylon
Connections
NPT: 1" or 2"
INFO
BUY
MAG Series
Materials
Body: Stainless Steel
Connections
NPT: 1/4" to 2"
BSPP: 1/4" to 2"
T-clamp: 1/2" to 2"
INFO
BUY
G2 Series
Materials
Body: SS, Aluminum, or Brass
Connections
NPT: 1/2" to 2"
T-clamp: 3/4" to 2 1/2"
Flange: 1" to 2"
INFO
BUY
TM Series
Materials
Body: PVC schedule 80
Connections
NPT: 1" to 4"
Glue Socket (female): 1" to 4"
Flange: 3" to 4"
INFO
BUY
WM-PT Series
Materials
Body: PVC sched. 60 or 80
Connections
Glue Socket (male): 1/2" to 4"
Insertion: 1 1/2" to 8"
INFO
BUY
WWM Series
Materials
Body: PVC sched. 60 or 80
Connections
Glue Socket (male): 1/2" to 4"
Insertion: 1 1/2" to 8"
INFO
BUY
LM Series
Materials
Body: Aluminum
Connections
NPT: 1/2"
INFO
BUY
WM Series
Materials
Body: Epoxy Coated Bronze
Connections
NPT: 1/2" to 2"
INFO
BUY
WM-NLC Series
Materials
Body: Lead Free Brass
Connections
NPT: 1/2" to 2"
INFO
BUY
WM-NLCH Series
Materials
Body: Lead Free Brass
Connections
NPT: 1/2" to 2"
INFO
BUY
D10 Series
Materials
Body: Lead Free Brass
Connections
NPT: 1/2" to 1"
Flange: 1 1/2" to 2"
INFO
BUY
WM-PC Series
Materials
Body: Fiber Reinforced Polymer
Connections
NPT: 1/2" to 1 1/2"
INFO
BUY
WM-PD Series
Materials
Body: Glass Reinforced Polyamide
Connections
NPT: 1/2" to 3/4"
COMPARE
Pulse Output
for Water Meters
Learn what Pulse Output is and compare the water meters available with this feature.
COMPARE
Accessories
for Water Meters
See all of the accessories offered for our water meters.
For more information, please visit Cast Steel Butterfly Valve.