Wafer Butterfly Valve – Replaceable EPDM Seat, OEM Manufacturer

Product Overview

A wafer butterfly valve is a compact, quarter-turn flow control device that fits between two pipe flanges and is secured by through-bolts. Its slim profile and light weight make it a practical choice for water supply, wastewater treatment, HVAC, and general industrial applications where space and cost matter.

This model features a ductile iron body, a CF8 stainless steel disc, and a replaceable EPDM rubber seat. The key advantage of this design is the field-replaceable seat: when the EPDM seat wears or loses its sealing properties, it can be removed and replaced without replacing the entire valve. This extends service life, reduces long-term maintenance costs, and simplifies spare parts management.

The valve is available with manual handle, gear operator, or actuator mounting (ISO 5211 top flange) to suit different operating requirements.

As a direct OEM/ODM manufacturer with over 19 years of export experience, Tianjin Worlds Valve Co., Ltd. customizes materials, sizes, pressure ratings, flange standards, coatings, and actuators to your exact specifications. Our products are exported to more than 50 countries and backed by ISO 9001:2015 certification (audited by LRQA), CE, UKCA, WRAS, and ACS certifications.

Introduce:

Wafer Butterfly Valve |Replaceable EPDM Seat | DI Body | CF8  Disc | OEM Manufacturer

Tianjin Worlds Valve Co., Ltd.–Your Reliable Source for Durable, Cost-Effective Flow Control

CBF02-TA04 - Detailed Product Info

Technical Specifications

This model is configured with the following parameters. Please note that every item listed below is customizable to your specific needs.

 

Key Features & Advantages

1. Replaceable EPDM Seat–Lower Maintenance Cost

• Field-Replaceable–When the seat wears, it can be replaced in the field without removing the valve body from the pipeline.

• Extended Valve Life–The body, disc, and stem remain in service while only the seat is replaced, reducing total cost of ownership.

• Simplified Spare Parts–One seat fits all valves of the same size and model, simplifying inventory.

 

2. Body Material–Ductile Iron (DI)

• Strength and Toughness–Ductile iron offers higher tensile strength and impact resistance than gray iron, suitable for general water and industrial service.

• Corrosion Protection–Epoxy coating resists external corrosion in humid or buried conditions.

 

3. Disc Material–CF8 Stainless Steel (AISI 304)

• Corrosion Resistance–CF8 provides good resistance to oxidation and corrosion in water, mild chemicals, and atmospheric exposure.

• Durable and Lightweight–Offers good mechanical strength while keeping the disc weight manageable.

 

4. EPDM Seat–Reliable Sealing for Water and Wastewater

• Water and Weather Resistance–EPDM is well-suited for water, steam, and outdoor applications.

• Chemical Compatibility–Resists dilute acids, alkalis, and common water treatment chemicals.

• Temperature Range–Typical EPDM service range is -20°C to +120°C, covering most municipal and industrial water applications.

 

5. ISO 5211 Top Flange–Ready for Automation

• Standardized Interface–Accepts manual handle, gear operator, electric, pneumatic, or hydraulic actuators.

• Easy Upgrade–Change actuation method without replacing the valve body.

 

Typical Applications

Wafer butterfly valves with replaceable EPDM seat & DI Body & CF8 Disc are trusted across a wide range of industries:

 

Quality Assurance & Certifications

Every wafer butterfly valve undergoes quality control at our LRQA-audited ISO 9001:2015 certified facility:

• Pressure testing (shell and seat) per applicable standards.

• Dimensional inspection against approved drawings.

• Material verification with traceable mill test certificates (MTC).

Certifications:

• ISO 9001:2015–Quality management system (certified by LRQA)

• CE–EU safety compliance

• UKCA–UK conformity assessment

• WRAS–UK drinking water approval (available on request)

• ACS–French health certification (available on request)

Why Choose Tianjin Worlds Valve?

• Quality you can trust. ISO 9001:2015 certified by LRQA. Every valve comes with material certificates and pressure test reports.

• Replaceable Seat Specialists. Our field-serviceable seat design reduces downtime and maintenance costs.

• Full Customization. Materials, sizes, pressure ratings, flange standards (ANSI, DIN, JIS, BS), coatings, actuators–all tailored to your specification.

• 19+ Years Export Experience. Serving 50+ countries across Europe, Americas, Middle East, and Asia-Pacific.

• 100% Traceability. Material certificates and pressure test reports with every order.

• Quick Turnaround. Dedicated project manager; typical lead time 15–40 days. Factory visits welcome in Tianjin.

 

Get in Touch – Customize Your Wafer Valve Today:

Whether you need this 10-inch configuration with EPDM seat, a different size, or a fully custom design–we’re ready to build to your specification.

Send us your requirements:

• Required size and pressure rating

• Media type and operating temperature

• Preferred material combination (body / disc / seat)

• Actuator type (manual, gear, electric, pneumatic, hydraulic)

• Flange standard and drilling (ANSI, DIN, JIS, BS)

• Coating color (any RAL)

• Target quantity and destination port

 

Our team will respond within 24 hours with a quotation and engineering proposal.

Factory visits welcome–come see how we manufacture your valves in Tianjin, China.

Contact Us Now and Let's Build Your Valve Together.