Contact Platform Support
Help Center
Home > Industrial Equipment & Components > Valve > Butterfly Valve > GB/T3036 Butterfly Valve With PTFE Seat for Corrosive Media, Full Lug Design
GB/T3036 Butterfly Valve With PTFE Seat for Corrosive Media, Full Lug Design
Product Spotlights
Designed for corrosive media handling, this butterfly valve features a full lug (double flanged) body for strong pipeline connections and a PTFE seat offering exceptional chemical resistance. It complies with GB/T3036 standards, provides reliable sealing, reduces maintenance, and is available in various sizes and operation types (manual, gearbox, actuator) for versatile industrial applications.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Application:
Other, Corrosive Media Handling
Standard:
GB/T3036
Material:
Cast Steel/Cast Iron Body, PTFE Seat
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
Related Products
-
Ductile Iron Wafer Butterfly Valve Compliant With GB/T3036, EPDM Seat, Lever or Gear OperationNegotiableMOQ: 1 Unit -
GB/T3036 Ductile Iron Butterfly Valve for HVAC and Building Service Piping SystemsNegotiableMOQ: 1 Unit
-
Industrial Water Treatment Plant Butterfly Valve, GB/T3036 Standard, Wafer TypeNegotiableMOQ: 1 Unit
-
GB/T3036 Pneumatic Butterfly Valve With Stainless Steel Disc, DN50-DN600, PN16 RatedNegotiableMOQ: 1 Unit
-
GB/T3036 Pneumatic Butterfly Valve for Powder Conveying in Food Processing LinesNegotiableMOQ: 1 Unit
Application
Other, Corrosive Media Handling
Standard
GB/T3036
Material
Cast Steel/Cast Iron Body, PTFE Seat
Size Range
DN50 to DN600 (2“ to 24“)
Design
Full Lug (Double Flanged) Design
Seat Material
PTFE (Polytetrafluoroethylene)
Connection
Flanged Ends
Operation
Manual, Gearbox, or Actuator Operated
Pressure Rating
PN10, PN16, PN25
Temperature Range
-20°C to +120°C
As a professional valve manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in producing high-performance industrial valves for demanding applications worldwide. Our GB/T3036 Butterfly Valve with PTFE Seat for Corrosive Media, Full Lug Design is engineered to provide reliable, long-lasting service in environments where aggressive fluids are present. This valve combines the robust construction of a full lug body with the exceptional chemical resistance of a PTFE seat, offering a solution that balances durability, sealing performance, and ease of operation.
With an annual export value reflecting our global reach across markets from North America to Southeast Asia, we understand the critical need for valves that withstand corrosion without compromising on functionality. This butterfly valve is a cornerstone product for industries dealing with acids, alkalis, salts, and other corrosive media, ensuring system integrity and reducing maintenance costs.
Core Product Features & Technical Specifications:
- Full Lug (Double Flanged) Design: This design features flanges on both sides of the valve body, providing superior structural strength. It allows for easy installation between two pipeline flanges without requiring additional support and is ideal for systems where the valve may need to be isolated or removed for maintenance.
- PTFE (Polytetrafluoroethylene) Seat: The seat is made from PTFE, a polymer renowned for its near-universal chemical inertness. It offers excellent resistance to a vast range of corrosive chemicals, including strong acids, bases, and solvents, ensuring a tight seal and preventing media leakage even after prolonged exposure.
- Robust Body Construction: The valve body is typically manufactured from cast steel or cast iron, providing the necessary mechanical strength to handle pipeline pressures and external stresses. The materials are selected based on the specific application requirements and corrosion environment.
- GB/T3036 Standard Compliance: Manufactured according to the Chinese national standard GB/T3036 for butterfly valves, ensuring dimensional accuracy, performance reliability, and interchangeability within standardized piping systems.
- Versatile Operation Options: Available with a manual hand lever, a gearbox for easier operation of larger sizes, or can be equipped with pneumatic or electric actuators for automated control, facilitating integration into modern process control systems.
- Excellent Flow Characteristics: The disc design minimizes flow obstruction when fully open, reducing pressure drop across the valve and improving system efficiency for pumping corrosive fluids.
Key Advantages & Customer Benefits:
- Long Service Life in Corrosive Environments: The combination of a corrosion-resistant PTFE seat and a sturdy body material significantly extends valve lifespan compared to valves with standard elastomer seats, reducing replacement frequency and total cost of ownership.
- Enhanced Safety and System Integrity: The reliable sealing performance prevents leakage of hazardous corrosive media, protecting personnel, equipment, and the environment. The full lug design adds mechanical security to the piping connection.
- Low Maintenance Requirement: PTFE's stability means the seat does not degrade easily, leading to fewer maintenance interventions. The simple design of butterfly valves also allows for quick inspection and seat replacement if necessary.
- Cost-Effective Flow Control: Butterfly valves generally offer a more economical solution for large diameter lines compared to other valve types. This model maintains that advantage while adding specialized corrosion resistance.
- Broad Application Compatibility: Suitable for a wide spectrum of industries including chemical processing, pharmaceutical manufacturing, water treatment (for aggressive chemicals), metallurgy, pulp and paper, and marine applications.
Detailed Technical Parameters Table:
| Parameter | Details / Range |
| Size (Nominal Diameter) | DN50, DN80, DN100, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500, DN600 |
| Pressure Rating (PN) | PN10, PN16, PN25 (Standard); Higher ratings customizable |
| Body Material | Cast Steel WCB, Cast Iron, Ductile Iron, Stainless Steel (optional) |
| Seat Material | PTFE (Standard); Other specialized polymers available upon request |
| Disc Material | Stainless Steel (304/316), Carbon Steel, Coated options |
| Operating Temperature | -20°C to +120°C with PTFE seat; Extended range with alternative seats |
| Connection Type | Flanged (Full Lug), ANSI, DIN, JIS standards customizable |
| Operation Type | Manual Lever, Worm Gearbox, Pneumatic Actuator, Electric Actuator |
| Face-to-Face Dimension | Complies with GB/T3036; Specific dimensions per size available |
Frequently Asked Questions (FAQ):
-
Q: What is the main advantage of the Full Lug design compared to a Wafer type butterfly valve?
A: The Full Lug design has flanges on both ends, allowing it to be bolted directly between two pipeline flanges. This provides a stronger connection, can support the pipeline weight in some configurations, and makes valve removal for maintenance easier without dismantling the entire line. Wafer valves rely on compression between flanges and may require additional support. -
Q: How does the PTFE seat perform against specific chemicals like sulfuric acid or sodium hydroxide?
A: PTFE is highly inert and offers excellent resistance to both strong acids (like sulfuric, hydrochloric) and strong bases (like sodium hydroxide). It is one of the most chemically resistant polymers available, making it suitable for a wide array of corrosive media. For extremely aggressive or hot chemicals, specific compatibility data can be provided. -
Q: Can this valve be used with abrasive slurries or media containing solids?
A: While PTFE is chemically resistant, abrasive particles can cause wear on the seat and disc over time. For applications with significant abrasion, we can offer valves with hardened disc coatings or discuss alternative seat materials with better wear characteristics, though chemical resistance may be adjusted. -
Q: Is the valve suitable for high-temperature applications beyond 120°C?
A: The standard PTFE seat has a recommended operating range up to 120°C. For higher temperature services, alternative high-temperature seat materials such as PEEK or specialized elastomers can be explored. The body and disc materials can also be upgraded for high-temperature strength. -
Q: What certifications does this product have?
A> Our manufacturing process is certified under ISO9001, ensuring consistent quality control. The valve itself is produced to meet the GB/T3036 standard. Other specific product certifications (like CE for pressure equipment) are available upon request and depend on the final configuration and destination market requirements. -
Q: What is the typical delivery time for standard sizes?
A> For standard sizes and materials within our common range (e.g., DN100 to DN300, cast steel body), we maintain inventory and can typically arrange shipment within a few weeks. Larger sizes, special materials, or actuator-equipped valves may require a longer production lead time, which we can confirm upon order inquiry. -
Q: Can the valve be fitted with an actuator for remote control?
A> Yes, absolutely. The valve design accommodates the mounting of pneumatic (air) or electric actuators. We can supply the valve as a complete package with an actuator, brackets, and positioners if required, tailored to your control signal and power specifications. -
Q: Do you provide support for installation and maintenance?
A> We provide detailed installation manuals and maintenance guidelines with each valve. For complex projects or first-time use, our technical team can offer advisory support. Spare parts, such as seat rings, are also available for purchase.
Shanghai Zhibang Valve Manufacture Co., Ltd. operates with a commitment to quality underscored by our ISO9001 certification. Our annual export value of US$1 Million to US$1.5 Million and presence in diverse markets from Eastern Europe to Oceania testify to the reliability and performance of our products. This GB/T3036 Butterfly Valve embodies our focus on delivering specialized solutions for challenging industrial applications.
By choosing this valve, you gain a component designed for longevity in corrosive systems, backed by a manufacturer with proven export experience and a systematic quality management approach. It represents a prudent investment in protecting your process infrastructure and ensuring operational continuity.
We encourage you to contact us with your specific application details, including media type, concentration, temperature, pressure, and pipeline size. Our team can then confirm the most suitable configuration of this versatile butterfly valve for your needs and provide a competitive quotation. Let us help you secure a robust and reliable solution for your corrosive media handling requirements.
Send Inquiry to This Supplier
* Email
Want the best price?
Post an RFQ now!
1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
You May Also Like
-
GB/T3036 Pneumatic Butterfly Valve With Mill Test Report and 2-Year WarrantyNegotiableMOQ: 1 Unit
-
GB/T3036 Pneumatic Butterfly Valve, Wafer Type, Carbon Steel Construction, DN150-DN300NegotiableMOQ: 1 Unit
-
Pneumatic Butterfly Valve GB/T3036 With Aluminum Body and PTFE Seat, DN80-DN400NegotiableMOQ: 1 Unit
-
GB/T3036 Pneumatic Butterfly Valve for Dust Removal Systems in Cement PlantsNegotiableMOQ: 1 Unit
-
Cast Iron Pneumatic Butterfly Valve GB/T3036 Standard Compliant, DN100-DN500, PN10NegotiableMOQ: 1 Unit
-
GB/T3036 Pneumatic Butterfly Valve With On-site Technical Support and Lifetime MaintenanceNegotiableMOQ: 1 Unit
-
GB/T3036 Pneumatic Butterfly Valve, Double Acting Actuator, 0.6-1.6MPa Operating PressureNegotiableMOQ: 1 Unit
-
GB/T3036 Pneumatic Butterfly Valve for Industrial Water Treatment ApplicationsNegotiableMOQ: 1 Unit
-
Electric Actuated Butterfly Valve With Position Feedback, 4-20mA Signal, DN80-DN400NegotiableMOQ: 1 Unit
-
Industrial Electric Butterfly Valve With Manual Override and Mill Test ReportNegotiableMOQ: 1 Unit
