Butterfly Valve
Plastic Butterfly Valves for Water, Chemical, and Automated Systems
Choose the body, disc, seat, flange standard, and operating method around the actual fluid and line duty. Butterfly valves work well for main isolation, filtration, pump rooms, scrubber circulation, wastewater, and equipment piping where installation space matters.
Water and general service CPVC
Warmer process lines PPH
Chemical and wastewater PVDF
Demanding chemical service
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PVC Lever Handle Butterfly ValveThe PVC lever handle butterfly valve adopts a PP-lined butterfly plate with a spherical sealing surface. The valve is easy to operate, has tight sealing performance, Sanking make the perfect balanceAdd to Inquiry -
PVC Worm Gear Butterfly ValveThe PVC worm geared butterfly valves has the characteristics of simple structure, small volume, light weight, low material consumption, small installation size, rapid switching, 90° reciprocatingAdd to Inquiry -
Electrical Actuated PVC Butterfly ValveSanking's electrical Actuated PVC butterfly valve is a good choice to the installation area in harsh working conditions, such as the area with leaks or corrosive gases in the air. Sanking teamAdd to Inquiry -
Pneumatic Actuated PVC Butterfly ValveSanking's Pneumatic Actuated PVC butterfly valve is distinguished from its competitors. The actuator shell and the valve body which the exposed surface are made by plastic, ensure prolong theAdd to Inquiry -
CPVC Lever Handle Butterfly ValveCPVC butterfly valves have a disc-like closing mechanism that can be used to isolate or regulate flow. The valve works much like a ball valve, when the level handle turn to a parallel position,Add to Inquiry -
Electrical Actuated CPVC Butterfly ValveElectrical actuated CPVC butterfly valve is ideal for flow control or throttling, this industrial grade valve offers a variety of options for application versatility and torque reduction.Add to Inquiry -
Pneumatic Actuated CPVC Butterfly ValvePneumatic Actuated CPVC butterfly valve is modular design. Pneumatic actuator and CPVC butterfly valves are the main parts. It control the flow by adjusting the compressed air.Add to Inquiry -
PPH Lever Handle Butterfly ValvePPH Lever butterfly valves is a quarter-turn valve. It is compact, flexible and reliable shut-off valves for wafer applications. It provide moderate flow control, so they can be used for on/off andAdd to Inquiry -
Electrical Actuated PPH Butterfly ValveThe electrical actuated pph butterfly valve has a simple structure, is composed of only a few parts, make it more secure and reliable. The valve is in small size, lightweight, friendly to the tightenAdd to Inquiry -
Pneumatic Actuated PPH Butterfly ValveThe pneumatic actuated PPH butterfly valve is composed of piston pneumatic actuator and PPH butterfly valve.Add to Inquiry -
PVDF Lever Handle Butterfly ValvePVDF Lever butterfly valves from Sanking is made of high grade material.Due to the excellent stability of the PVDF molecular structure, this material is one of the few materials that does not requireAdd to Inquiry -
Electrical Actuated PVDF Butterfly ValveThe Electrical Actuated PVDF Butterfly Valves are ideal for automatic on/off operation of flow in a fluid handling system, It has functions such as position indicator, field visual indication, manualAdd to Inquiry
- Tel: +86-592-7055777
- Fax: +86-592-7197120
- Email: Sandy@sanking.cn
- Add: No.169, Tong Hong Road, Tong'an District, Xiamen, China
Where Butterfly Valves Make Sense
Start with the line position. The same diameter may need a different material, seat, disc, or actuator in another part of the system.
Water Treatment and Backwash
Main isolation, filter inlet and outlet, backwash lines, pump rooms, RO support, cooling water, and plant water distribution.
Chemical Transfer and Scrubbers
Acid and alkali transfer, tank branches, scrubber circulation, neutralization, exhaust treatment, and chemical utility piping.
Industrial Wastewater
Corrosive discharge, treatment tanks, filtration sections, pump outlets, automated drainage, and cleaner wastewater lines.
OEM and Automated Equipment
Skid systems, containerized treatment equipment, process modules, remote isolation, and sequenced valve operation.
Lever and Worm Gear
Use a lever for accessible isolation points with moderate operating frequency. Choose worm gear when valve size or operating torque makes direct handle operation less practical.
Pneumatic Control
Fits frequent cycling, filtration sequences, wastewater automation, and equipment with a stable air supply. Confirm air pressure, fail position, accessories, and cycle frequency.
Electric and Modulating Control
Fits remote operation and sites without compressed air. Confirm voltage, ON/OFF or modulating signal, feedback, operating time, and enclosure requirements.
Choose the Material as a Complete Wetted System
PVC: general water treatment and compatible lower-temperature chemical lines.
CPVC: warmer water and chemical service where PVC has limited temperature margin.
PPH: acid, alkali, scrubber, plating, and corrosive wastewater applications.
PVDF: demanding corrosive or sensitive media where stronger material stability justifies the cost.
Do Not Stop at the Body Material
Confirm the disc, seat, shaft arrangement, seals, and every wetted component.
For PVDF quotations, identify whether the offer is full PVDF, uses selected PVDF wetted parts, or is a lined design.
Check disc clearance against the mating flange bore and pipe inside diameter before installation.
| Valve Type | Usually Fits Better | Recheck the Choice When |
|---|---|---|
| Butterfly Valve | Larger lines, main isolation, pump rooms, filters, scrubbers, and compact wafer installation. | The line needs precise low-flow control, very low dead space, or handles heavy solids. |
| Ball Valve | Smaller piping, compact shutoff, dosing branches, bypasses, and true-union maintenance. | Large diameter makes the valve heavier, larger, or less economical. |
| Diaphragm Valve | Sensitive chemical isolation, selected cleaner systems, and duties requiring closer cavity review. | The position only needs straightforward large-line isolation. |
Send These Details for Selection
Recheck Before Ordering
The fluid contains crystals, fibers, sludge, sediment, or deposits.
The actuator sits in corrosive vapor, humidity, heat, washdown, or outdoor weather.
The flange bore or pipe wall may block full disc rotation.
The process expects precise control but no target flow range or control signal has been defined.
Continue the Piping-System Review
Send the Valve List, Drawing, or Existing Valve Photo
Include the medium, temperature, pressure, flange standard, material combination, operating method, actuator signal, quantity, and required documents.
Request a Butterfly Valve ReviewPlastic Butterfly Valve FAQ
When should I use a butterfly valve instead of a ball valve?
Use a butterfly valve for larger lines, main isolation, filtration, pump rooms, or compact wafer installations. Ball valves usually fit smaller shutoff points and maintenance-heavy branches better.
Should I choose pneumatic or electric actuation?
Choose pneumatic control for frequent cycling where stable compressed air is available. Choose electric control for remote operation without an air supply.
Can a butterfly valve regulate flow?
It can handle moderate regulation when correctly sized. Precise low-flow control needs a defined flow range, operating angle, actuator signal, and control strategy.
Is a PVDF butterfly valve the same as a PVDF-lined valve?
No. Compare the body, disc, shaft, seat, liner, and every wetted component before treating two PVDF quotations as equivalent.
Xiamen Sanideng Plastics Industry Co., Ltd. is well-known as one of the leading butterfly valve manufacturers and suppliers in China. Please feel free to buy or wholesale high quality butterfly valve for sale here from our factory. For price consultation, contact us.
