Ground Water Butterfly Valves
Description
Ground Water Butterfly Valves are designed to regulate the flow of groundwater through a pipeline. These valves feature a circular disc mounted on a spindle, which acts as the closure element. By rotating the disc, the valve can either allow or restrict the flow of water, providing efficient control over the fluid movement.
Working Principle
Butterfly valves operate by rotating a disc within the valve body to either permit or obstruct the flow of fluid. The disc is mounted on a central shaft, and when the valve is fully open, the disc is aligned parallel to the flow direction, allowing fluid to pass through with minimal resistance. When the valve is closed, the disc is rotated to a position perpendicular to the flow, effectively blocking the passage. This simple mechanism makes butterfly valves energy-efficient and suitable for high-flow applications, as they provide quick and reliable shut-off control.
Applications
Butterfly valves are commonly used in water treatment plants, including those handling groundwater, due to their ability to provide a reliable seal and withstand water pressure. They are particularly effective in large-diameter pipelines where cost-effectiveness is a priority. Specific applications include controlling the flow in municipal water systems, irrigation systems, and industrial water supply networks.
Advantages over other Butterfly Valves
Butterfly valves offer several advantages over other types of valves. They have a compact and lightweight design, making them suitable for installations with space constraints. Their ability to handle a wide range of fluids, including corrosive and non-corrosive media, makes them versatile for various applications. Additionally, butterfly valves have a low pressure drop and high-pressure recovery, which enhances their efficiency in fluid control systems.
Limitations
One limitation of butterfly valves is their difficulty in handling slurries, as the unguided disc movement can be affected by flow turbulence. They also have limited throttling capabilities at low differential pressures and may experience cavitation and choke under certain conditions. Cleaning butterfly valves can be challenging due to their design, which may not be suitable for applications requiring frequent maintenance.
Considerations
When selecting a butterfly valve for groundwater applications, consider the initial costs, which are generally lower compared to other valve types due to their simple design. Operating expenses are also reduced, as butterfly valves require minimal maintenance. However, durability and accuracy can vary based on the materials used in construction, so it is essential to choose a valve with corrosion-resistant materials for longevity. Replacement and maintenance costs should be factored into the overall lifecycle cost, as these can impact the long-term economic viability of the valve in specific applications.
from BI-TORQ® Valve Automation
AUTOMATED CAST IRON BUTTERFLY VALVES. BY-SERIES FEATURES. Wafer and lug style cast iron BFVs. 2" through 12" sizes standard. SS stem and disc as standard. EPDM, BUNA-N and Viton seats. Direct mount for low-profile, cost-efficient operation. Options for pneumatic, electric or gear operators. Designed... [See More]
- Media: Air; Compressed Air; Water; Hot Water; Cold Water ; Ground Water; Salt Water; Wastewater
- Maximum Pressure: 150.00 to 225.00
- Valve Size: 2.00 to 12.00
- Media Temperature: -30 to 275
from Mueller Steam Specialty
These soft-seated butterfly valves are designed for a variety of general applications in the control of water, steam, air, oil, and gases. They are equally effective for on-off, throttling, isolation, and dead end requirements. They are especially well suited for higher velocity service and vacuum... [See More]
- Media: Air; Compressed Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature)
- Maximum Pressure: ? to 250.00
- Valve Size: 2.00 to 12.00
- Media Temperature: ? to 100
from World-Valve B.V.
The centric butterfly valves are executed with an Ultralene coated liner for services in abbrasive, low adhesion and high corrosive applications like slurries, mining industry, flue gas desulpherisation, desalination plants. Standardized actuation flange. One piece blow-out proof shaft. Self... [See More]
- Media: Water; Ground Water; Wastewater; Highly Corrosive Applications, Slurries
- Maximum Pressure: 145.04
- Valve Size: 3.15 to 55.12
- Media Temperature: 32 to 176
from Hayward Flow Control
The BYV Series butterfly valves are available in PVC, CPVC and GFPP bodies and discs. Liners and seals available in VITON, EPDM or Nitrile materials. 316SS Stems are standard. The BYV Series features a revolutionary hand lever with 19 lockable stop positions and 360 degree interlocking splines. [See More]
- Media: Water; Ground Water; Potable Water; Wastewater
- Maximum Pressure: 150.00
- Valve Size: 2.00 to 12.00
- Media Temperature: 70
from BI-TORQ® Valve Automation
PY-SERIES FEATURES. PVC, CPVC and polypropylene butterfly valves. 2" through 12" standard sizes. EPDM, BUNA-N and Viton seats. Ideal for chemical or industrial applications, as well as pools and water parks. Pneumatic, electric or gear operated. Lightweight and low-profile design [See More]
- Media: Air; Compressed Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water; Wastewater
- Maximum Pressure: 150.00
- Valve Size: 1.50 to 8.00
- Connection Description: BoltFlange
from Mueller Steam Specialty
Consist of a ductile iron body, BUNA-N or EPDM encapsulated ductile iron disc and a 431 stainless steel two-piece stem. Pressure rated to 175psi CWP. Grooved end designed to ANSI/AWWA C-606 Rigid Grooved Specification. Available with lever handle or gear operator. [See More]
- Media: Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water
- Maximum Pressure: ? to 175.00
- Valve Size: 2.50 to 12.00
- Media Temperature: ? to 275
from Hayward Flow Control
BYCN Pure-Blu ™ Series Butterfly Valve sizes 2 in. to 8 in. PVC Body and PVC Disc only. All liners and seals are EPDM. Type 316 Stainless Steel Shaft. BYCN Pure-Blu ™ butterfly valves are offered with a lever handle or a gearbox. NSF/ANSI 61 Listed [See More]
- Media: Water; Ground Water; Potable Water; Wastewater
- Connection Description: Threaded; BoltFlange
- Valve Size: 2.00 to 8.00
- Actuation: Manual
from BI-TORQ® Valve Automation
Our unique tee-linkages utilize quality products and superior engineering to create an economic and effective 3-way assembly. Ideal for HVAC and diverting applications, our tee-linkage assembly is a big cost saver over expensive three-way ball valves. All of our assemblies come complete with... [See More]
- Media: Air; Compressed Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water; Wastewater; Hydrocarbons
- Connection Description: BoltFlange
- Valve Size: 2.00 to 12.00
- Actuation: Electric; Pneumatic
from Mueller Steam Specialty
These soft-seated butterfly valves are designed for a variety of general applications in the control of water, air, oil, gases, and corrosive media. They are equally effective for on-off, throttling, or isolation service requirements. Series 88 is designed for dead-end service to the full pressure... [See More]
- Media: Air; Compressed Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature)
- Maximum Pressure: 150.00 to 200.00
- Valve Size: 2.00 to 24.00
- Media Temperature: 150 to 200
from Mueller Steam Specialty
These soft-seated butterfly valves are designed for a variety of general applications in the control of water, air, oil, gases, and corrosive media. They are equally effective for on-off, throttling, or isolation service requirements. Series 87 is well suited for higher velocity service and vacuum... [See More]
- Media: Air; Compressed Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature)
- Maximum Pressure: 150.00 to 200.00
- Valve Size: 2.00 to 24.00
- Media Temperature: 150 to 200