Wafer Butterfly Valve
Quick Advantages
Why Choose Wafer Butterfly Valves
Designed for compact installation space and efficient shut-off in low to medium pressure piping systems.
Compact Design
Short face-to-face structure saves installation space and helps reduce overall piping system weight.
Easy Installation
Installed between flanges for fast assembly and convenient maintenance in standard industrial pipelines.
Low Torque Operation
Lightweight disc design helps reduce operating torque and supports manual or actuated operation.
Cost-Effective Solution
An economical valve choice for water, HVAC, utility and general industrial applications.
Overview
What Is a Wafer Butterfly Valve?
A wafer butterfly valve is a compact quarter-turn valve designed to be installed between two flanges in a piping system. It is widely used for shut-off and flow regulation in water treatment, HVAC, fire protection and general industrial service.
Compared with heavier valve designs, wafer butterfly valves offer a lighter body, shorter face-to-face dimension and more economical installation. They are especially suitable for low to medium pressure applications where space-saving layout and reliable sealing are important.
Wafer butterfly valves can be supplied with different body materials, disc materials, seat options and actuation methods to match media conditions, temperature requirements and project standards.
Compact Structure
Designed for tight installation spaces and efficient piping layouts.
Reliable Shut-Off
Suitable for water, air and many general utility applications.
Flexible Options
Available with multiple materials, seat types and actuation choices.
Configurations
Available Wafer Butterfly Valve Configurations
We supply wafer butterfly valves in multiple seat materials, body types and actuation options to fit different service conditions.

Soft Seated Wafer Butterfly Valve
Suitable for water, air and mild industrial media with reliable bubble-tight sealing and economical installation.

Worm Gear Wafer Butterfly Valve
Recommended for medium and large sizes where smoother manual control and reduced operating effort are needed.

Pneumatic Wafer Butterfly Valve
Designed for automated shut-off and fast response in plant systems requiring reliable on-off valve control.

Electric Wafer Butterfly Valve
Ideal for remote operation, process control and applications that require stable motorized valve actuation.
Key Features
Designed for Reliable and Efficient Pipeline Service
Wafer butterfly valves combine compact structure, dependable sealing performance and flexible configuration options, making them a practical choice for water treatment, HVAC, fire protection and general industrial piping systems.
Compact Wafer Body
Slim body design reduces installation space requirements and helps simplify overall pipeline layout.
Lightweight Construction
Lower valve weight makes transportation, handling and installation easier for many piping projects.
Reliable Shut-Off Performance
Soft seat sealing provides dependable shut-off for water, air and many general utility media.
Flexible Material Options
Available in cast iron, ductile iron, carbon steel and stainless steel configurations.
Multiple Operation Choices
Lever, worm gear, pneumatic and electric actuation are available for different control needs.
Wide Application Range
Suitable for water treatment, HVAC, fire protection and general industrial pipeline service.
Technical Specifications
Technical Specifications
Standard ranges can be customized according to project requirements, media conditions and applicable standards.
Selection Overview
Wafer butterfly valves can be supplied in different materials, seat types and operation methods to match utility and industrial piping requirements.
- Standard Applications
Water treatment, HVAC, fire protection and general industrial service.
- Available Configurations
Manual lever, worm gear, pneumatic actuator and electric actuator.
- Custom Support
Materials, dimensions and actuation packages can be matched to project needs.
Item
Specification
Valve Type
Wafer Butterfly Valve
Size Range
DN50–DN1200
Pressure Rating
PN10 / PN16 / Class 150
Body Material
Cast Iron, Ductile Iron, Carbon Steel,Stainless Steel
Disc Material
Ductile Iron, Stainless Steel, Aluminum Bronze
Seat Material
EPDM, NBR, PTFE
Stem Material
Stainless Steel
Operation
Lever, Worm Gear, Pneumatic, Electric
End Connection
Wafer Type
Applicable Media
Water, Air, HVAC Fluids, Mild Chemicals
Temperature Range
According to seat material and application condition
Standards
API, ANSI, DIN, BS, JIS
Custom sizes, materials and actuation packages are available upon request. You can also replace the values above with your own factory’s actual specification range.
Materials & Seat Options
Material Choices for Different Service Conditions
Different material combinations help balance sealing reliability, corrosion resistance and operating life for various service conditions.
Seat Materials
Seat material is critical because it directly affects sealing performance, media suitability and allowable temperature range. Different seat options can be selected according to working conditions and project requirements.
EPDM Seat
Commonly used for water service, HVAC systems and general utility applications.
NBR Seat
Suitable for selected oil-related or utility media where compatible sealing is required.
PTFE Seat
Provides improved chemical resistance for applications involving selected corrosive media.
Customized Seat
Seat materials can be adjusted according to temperature, media and project specification needs.
Body Materials
Body materials are selected according to pressure level, installation environment and system standard. Different metal grades are available for general service and broader industrial applications.
Disc Materials
Disc material affects durability, corrosion resistance and long-term performance. Selections can be matched to media type, service condition and project requirements.
Applications
Typical Applications
Wafer butterfly valves are widely used in utility and industrial systems where compact design, reliable shut-off and efficient installation are required.
Water Treatment Systems
Wafer butterfly valves are commonly used in clean water, municipal systems and process water pipelines because they offer compact installation, dependable shut-off and cost-efficient system integration.
HVAC Systems
Suitable for chilled water, cooling water and building service piping where compact structure and low torque operation are important.
Fire Protection
Applied in fire line systems where quick shut-off, compact installation and straightforward maintenance are required.
General Industry
Used for plant utility lines, auxiliary systems and non-severe process service in a wide range of industrial facilities.
Chemical Service
With proper disc and seat material selection, wafer butterfly valves can also be used in selected mild chemical applications.
Application suitability depends on medium, pressure, temperature and material selection. Customized recommendations can be provided for project-based requirements.
Actuation Options
Operation and Actuation Options
Wafer butterfly valves can be supplied with manual or automated operation to match different control requirements, installation space and project specifications.
The right actuation method depends on valve size, operating frequency, pipeline location and whether local or remote control is needed.
- Manual or Automated
Available for basic shut-off, frequent operation or integrated control systems.
- Project-Based Selection
Actuators can be matched according to size, torque requirement and service condition.
- Flexible Supply Scope
Complete valve and actuator assemblies can be supplied for installation efficiency.
Lever Operated
Best for smaller sizes and simple on-off service where quick manual operation and compact structure are preferred.
Worm Gear Operated
Recommended for medium and larger sizes where smoother manual control and reduced operating effort are required.
Pneumatic Actuated
Suitable for fast automated opening and closing in industrial systems where responsive shut-off is important.
Electric Actuated
Ideal for remote operation, automated process control and installations that require stable motorized actuation.
Actuation options can be configured according to valve size, torque requirement, control method and project specification.
Why Choose Raymon Valve
Custom Configuration
Body material, seat type and actuation options can be matched to project needs.
Standards Support
Suitable for common international valve standards and project specification needs.
Documentation
Basic technical files, certificates and inspection documents can be supported on request.
Fast Response
Faster follow-up for RFQ, selection questions and product inquiry requirements.
Featured Products
Featured Wafer Butterfly Valve Products
Explore selected wafer butterfly valve models for different sizes, materials and operation requirements.

General Purpose Wafer Butterfly Valve
Reliable shut-off solution for water treatment, HVAC systems and general utility piping applications.

Worm Gear Wafer Butterfly Valve
Suitable for medium and large sizes that require smoother manual operation and reduced effort.

Pneumatic Wafer Butterfly Valve
Designed for fast automated opening and closing in industrial systems requiring reliable control.

Electric Wafer Butterfly Valve
Ideal for remote operation, process automation and applications that require motorized actuation.
FAQ
Frequently Asked Questions
Common questions about wafer butterfly valve selection, configuration and application.
What is the difference between wafer and Iug butterfly valves?
Wafer butterfly valves are installed between two flanges and are generally more compact and economical. Lug butterfly valves use threaded lugs on the body, which can offer easier disassembly and may be preferred in systems that need more flexible maintenance arrangements.
What industries commonly use wafer butterfly valves?
Wafer butterfly valves are widely used in water treatment, HVAC, fire protection, utility pipelines and general industrial service where compact design and reliable shut-off are important.
What seat materials are available for wafer butterfly valves?
Common seat materials include EPDM, NBR and PTFE. The right seat option depends on the medium, service temperature, sealing requirement and overall working condition.
Can wafer butterfly valves be supplied with actuators?
Yes. Wafer butterfly valves can be supplied with pneumatic or electric actuators, as well as manual lever or worm gear operation, depending on the project control requirement.
Are wafer butterfly valves suitable for chemical service?
They can be used in selected mild chemical applications when the body, disc and seat materials are chosen correctly for the media and temperature conditions.
How do I choose the right wafer butterfly valve?
Selection usually depends on valve size, pressure, temperature, medium, flange standard, sealing material and whether manual or automated operation is required.