Butterfly Valve Viton Seat Specifications
| Item | Specification |
|---|---|
| Product Type | Butterfly Valve Seat |
| Material | Viton / FKM |
| Hardness | Customized Shore A |
| Valve Size | Customized |
| Seat Profile | Customized |
| Working Temperature | Application-dependent |
| Customization | Drawing / Sample Based |
- Applicable Valve Type: Wafer butterfly valve, lug butterfly valve, concentric soft‑seal butterfly valve
- Applicable Pressure: PN10, PN16 industrial pipeline standard
- Material: 100% Pure Viton (FKM) Fluoroelastomer
- Size Range: DN40 ~ DN600 (support full‑size non‑standard customization)
- Working Medium: Oil, high‑temperature water, steam, organic solvent, chemical medium, industrial wastewater
- Application Industries: Petroleum, chemical industry, power plant, HVAC, pharmaceutical, food processing, mechanical equipment, municipal engineering
Butterfly Valve Viton Seat Material Performance
Featuring an integral molded resilient sealing structure with ultra‑precise dimensional tolerance and perfect valve body fitting, our Viton butterfly valve seat consists of three functional layers to achieve bubble‑tight zero leakage and long‑term durable sealing:
- Outer Fixed Mounting Layer: High‑hardness Viton rubber base, tight fit with valve body groove, anti‑loosening, anti‑deformation, stable installation, suitable for long‑term pipeline vibration working environment.
- Middle Elastic Sealing Layer: Optimized elastic arc structure, closely fits the valve disc surface, forms bubble‑tight sealing effect, effectively compensates assembly errors and equipment wear, maintains zero leakage for a long time.
- Inner Wear‑Resistant Working Layer: Low‑friction and anti‑aging formula, reduces friction loss during valve opening and closing, resists medium erosion, greatly extends the service life of the valve seat.
Structural Advantages: One‑piece integrated molding with no splicing gaps, ensuring stable sealing performance. Support quick on‑site replacement without full valve disassembly, greatly reducing maintenance downtime. Fully compatible with PN10/PN16 standard butterfly valves and most mainstream European and American valve brands.
Custom Butterfly Valve Seat Manufacturing
Existing Valve Matching
Customers can provide the valve model, existing liner, or valve assembly information so the seat can be developed around the actual component rather than a generic valve specification.
Tooling Development
Dedicated molding tooling can be developed for a customer's seat geometry, with the tooling configuration determined by the final rubber profile and production requirements.
First-Article Verification
Initial molded samples can be inspected and assembled with the corresponding valve components before the production specification is confirmed.
Repeat Production Control
Once the sample and specification are approved, subsequent batches can be produced against the same manufacturing reference to maintain consistency across repeat orders.
Butterfly Valve Viton Seat Inspection
- Dimensional Inspection
Finished seats can be checked against approved dimensions, including critical diameters, thickness, shaft openings, and profile sections.
- Hardness Testing
Shore A hardness is checked against the specified production requirement to maintain consistency between supplied batches.
- Molded Surface Inspection
The finished seat is inspected for visible molding defects such as cracks, cuts, excessive flash, incomplete filling, and surface irregularities.
- Specification Control
Material specification, hardness, drawing revision, and other confirmed production requirements can be recorded for repeat manufacturing.
Butterfly Valve Viton Seat Compatibility
Disc Matching
The seat profile is produced according to the actual disc configuration to maintain the required contact relationship during valve operation.
Valve Body Matching
The external seat geometry corresponds to the internal valve body structure, allowing the seat to be positioned correctly during assembly.
Shaft Configuration
Shaft openings and related seat areas can be manufactured according to the valve stem arrangement rather than relying on a universal opening.
Series-Based Replacement
For replacement orders, the valve model, existing seat, drawing, or sample can be used to establish the correct seat specification before production.
Butterfly Valve Viton Seat Manufacturer
Chaoyue focuses on molded rubber components for industrial sealing and valve applications, with production capabilities covering Butterfly Valve Seats and other customized rubber parts.
- Rubber Molding Production - Supports different molding requirements for valve seats, liners, caps, gaskets, and other formed rubber components.
- Engineering Support - Product development can involve structure review, mold development, trial production, and sample confirmation before regular manufacturing.
- Production Capacity - Suitable for both development projects and ongoing production programs where consistent specifications are required across multiple orders.
- Customer-Specific Supply - Product identification, packaging, documentation, and order handling can be arranged according to the purchasing requirements of valve manufacturers and industrial distributors.
From initial product development to repeat supply, Chaoyue provides a manufacturing process centered on custom rubber component production and long-term B2B supply.
FAQ
What is the difference between Viton seat and EPDM/NBR butterfly valve seat?
EPDM seats excel in water and low‑temperature environments, while NBR seats are suitable for common oil mediums. As a high‑performance fluororubber material, Viton (FKM) seats feature far better high‑temperature resistance (-20°C~220°C) and chemical corrosion resistance. They are the optimal choice for harsh scenarios such as petrochemical, high‑temperature oil, and organic solvent environments, with more stable performance and longer service life.
Is the Viton butterfly valve seat easy to install and replace?
Our one‑piece molded Viton seats support plug‑and‑play quick replacement. No full valve disassembly is required for on‑site installation and replacement, effectively saving labor costs and maintenance downtime, perfect for engineering after‑sales maintenance and batch equipment replacement projects.
What working conditions are not suitable for Viton valve seat?
Viton seats are not suitable for long‑term service in strong alkali, strong oxidizing acid, and ultra‑low temperature pure water environments. We will recommend cost‑effective alternative materials such as EPDM and PTFE according to your actual working conditions to match your project needs.
