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Wafer Type Centerline Resilient Seated Butterfly Valve

Size Range: NPS 2″ – 48″ / DN50 – DN1200

Pressure Rating: Class 150 / 1.0 – 1.6 MPa

Temperature Range: -20°C – +120°C / -4°F – +248°F (depending on seat material)

Body Material Ductile Iron, Carbon Steel, Stainless Steel, Duplex Stainless Steel, …

Product Introduction

Product Introduction

The Wafer Type Centerline Resilient Seated Butterfly Valve is a versatile, cost-effective solution widely used in water supply and drainage, HVAC, irrigation, municipal, and industrial piping systems. Designed with a concentric structure and an elastomer-lined seat, it provides excellent sealing performance, low torque operation, and easy installation and maintenance. The compact wafer-type design allows the valve to be mounted between flanges with minimal space requirements, making it ideal for applications where space and weight are critical factors.

 

Product Features & Advantages

Excellent Sealing Performance: The concentric design combined with a resilient seat ensures reliable bi-directional sealing, even under low pressure.

Compact and Lightweight: Wafer structure reduces installation space and overall weight, ideal for space-constrained systems.

Low Operating Torque: The elastic seat design minimizes friction between disc and seat, enabling easy manual or automated actuation.

Corrosion and Wear Resistance: Optional coating and material combinations extend valve service life in various media conditions.

Easy Installation and Maintenance: Can be mounted between various flange standards, with simple disassembly and replacement of internal parts.

Versatile Actuation Options: Compatible with manual, pneumatic, or electric actuators.

 

Technical Parameters

Technical Parameters

Parameter Specification
Size Range NPS 2″ – 48″ / DN50 – DN1200
Pressure Rating Class 150 / 1.0 – 1.6 MPa
Temperature Range -20°C – +120°C / -4°F – +248°F (depending on seat material)
Body Material Ductile Iron, Carbon Steel, Stainless Steel, Duplex Stainless Steel, …
Disc Material Ductile Iron (Epoxy Coated), Stainless Steel, Aluminum Bronze, Duplex Stainless Steel, …
Seat Material EPDM, NBR, VITON, PTFE (customized available)
Stem Material Stainless Steel (AISI 410 / 420 / 431)
Connection Type Wafer type, suitable for ANSI, DIN, JIS, GB standards
Sealing Type Soft-seated, bi-directional sealing
Operation Lever, Gearbox, Pneumatic actuator, Electric actuator

 

Applications

Applications

Municipal water supply and drainage

HVAC and building services

Industrial water treatment systems

Irrigation and agricultural pipelines

Chemical and light industry processes

 

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