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Grooved Butterfly Valve China Suppliers Industrial Valve Factory

Premium Grooved Butterfly Valves from a leading China factory. Designed to comply with MSS SP-67 and AWWA C606 Table 4, available in 2 to 12 inch sizes with manual or gear operators. Contact the top China suppliers for durable, leak-proof flow control solutions.



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The Groove Butterfly Valve is a high-performance flow control solution engineered for seamless integration into modern piping systems. Designed for versatility and reliability, these valves utilize a specialized grooved end connection that significantly reduces installation time and labor costs while ensuring a leak-proof seal under rigorous operational conditions.

Constructed from premium-grade materials including ASTM A126 Cast Iron and Ductile Iron, our butterfly valves are optimized for durability and corrosion resistance. Whether utilized in HVAC, water treatment, or industrial processing, the precision-engineered disc and resilient rubber seating (EPDM/NBR) guarantee tight shut-off and minimal pressure drop across a wide range of sizes from 2" to 12".

Detailed Parameters

Body MaterialCast Iron (ASTM A126 CL.B, GG25) / Ductile Iron (ASTM A536, GGG40) Stem MaterialZinc Plated Steel / Stainless Steel (ASTM A276 Type 316, 410, 420)
Disc MaterialDuctile Iron with Rubber Lining (EPDM or NBR) Seal TypeO-Ring (NBR, EPDM) & PTFE Bushing
Size Range2 inch to 12 inch Connection TypeGrooved End Connection
HardwareCarbon Steel Thrust Washer, Circlip, Stopper, and Key Standard ComplianceEN 1561, GB12226, EN-GJL-200, GB12227
ApplicationGeneral Industrial Equipment & Fluid Control Design FeatureLow Torque, High-Sealing Butterfly Design

Key Advantages

Premium Durability

Utilizing ASTM A536 Ductile Iron and A276 Stainless Steel for maximum resistance against wear and corrosion.

Rapid Installation

The grooved design allows for quick assembly and disassembly, drastically cutting down maintenance downtime.

Superior Sealing

High-grade EPDM and NBR rubber linings provide a bubble-tight seal, preventing leakage in critical systems.

Versatile Sizing

Available in a comprehensive range from 2" to 12" to fit various industrial pipeline requirements.

Low Torque Operation

PTFE bushings reduce friction, ensuring smooth operation and extending the lifecycle of the actuator.

Global Standards

Fully compliant with DIN, EN, and GB standards for seamless global deployment and interchangeability.

Product Gallery

Management Platforms

Inventory Precision

Real-time tracking of all valve series including F101 and F401 for optimized supply chain flow.

Quality Control

Strict adherence to ASTM and DIN standards through rigorous pressure and leak testing protocols.

Maintenance Alerts

Scheduled inspection reminders to ensure seal integrity and stem lubrication over time.

Order Synchronization

Automated processing for various butterfly valve types from Wafer to Lug types.

Logistics Tracking

End-to-end visibility of shipments for large-scale industrial valve installations.

Custom Engineering

Tailored material selection (e.g., SS316 vs Carbon Steel) based on specific fluid chemistry.

Investment Return Comparison

FeatureStandard Flanged ValveGroove Butterfly Valve
Installation SpeedSlow (Bolting required)Rapid (Coupling system)
Labor CostHigh (Man-hour intensive)Low (Simplified assembly)
Weight/SpaceHeavy and BulkyCompact and Lightweight
MaintenanceTime-consuming removalQuick-release mechanism
Long-term ROIStandard ReturnHigh (Reduced OpEx)

Frequently Asked Questions

Q: What are the primary benefits of using a Groove Butterfly Valve over a flanged one?

Groove Butterfly Valves offer significantly faster installation and lower labor costs due to the coupling system, eliminating the need for numerous bolts and gaskets.

Q: Which materials are best for corrosive environments in valve manufacturing?

For corrosive applications, we recommend ASTM A276 Type 316 Stainless Steel for stems and EPDM or NBR for seals, depending on the chemical composition of the medium.

Q: Can these valves be used for high-temperature applications?

The temperature limit depends on the seat material. EPDM is suitable for hot water and steam, while NBR is preferred for oil-based fluids. Please consult our technical specs for exact limits.

Q: What is the difference between Lug type and Wafer type butterfly valves?

Wafer types are sandwiched between flanges, whereas Lug types have threaded inserts that allow them to be bolted directly to one flange, enabling dead-end service.

Q: How do I ensure a leak-proof seal with grooved connections?

Ensure that the pipe grooves are cut to standard specifications and that the rubber gasket is properly seated before tightening the coupling housing.

Q: Do you provide valves that meet DIN and ASTM standards?

Yes, our manufacturing process strictly follows international standards including ASTM A126, ASTM A536, DIN 1691, and EN 1561 to ensure global compatibility.

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