Concentric Butterfly Valve

Built for efficient flow isolation and reliable control, the Concentric Butterfly Valve is designed to provide a simple, compact, and cost-effective solution for a wide range of industrial piping applications. Its concentric stem and disc arrangement provides a straightforward operating mechanism, while the resilient seat forms a reliable seal around the disc to ensure dependable shut-off performance. The quarter-turn design enables quick operation with low space requirements.

The Concentric Butterfly Valve is well suited for applications in water treatment, HVAC, chemical processing, petrochemical, oil & gas, power generation, and general industrial services. Its lightweight construction, low operating torque, and flexible material options make it an economical choice for systems requiring reliable isolation, easy installation, and efficient flow management.

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Technical Specifications

Product description:	Concentric Butterfly Valve
Model:	D341X-Concentric Butterfly Valve
Nominal diameter:	NPS 2”～40”
Operating temperature:	-15℃～150℃
Nominal pressure:	CLASS 150～300
Material:	Main material: A216 WCB、WCC;A351 CF8、CF8M、CF3、CF3M、CF8C、A352 LCB、LCC, etc.
Design standard:	API 609、ASME B16.34
Structural length:	ASME B16.10
Connecting end:	ASME B16.5、ASME B16.47、ASME B16.25
Test standard:	API 598、ISO 5208
Operation method:	Handle, worm, motor-drive unit, pneumatic drive unit
Application fields:	Fresh water, sewage, seawater, brine, steam, natural gas, food, drug, oils and various acids and alkali, and other pipelines

Features & Benefits

Compact and cost-effective solution for reliable isolation and flow control in industrial piping systems.

Concentric Design

The stem is positioned concentrically within the valve body and disc, providing a simple and reliable operating mechanism.

Reliable Tight Shut-Off

Resilient seat construction provides dependable sealing and effective isolation for a wide range of fluid services.

Compact & Lightweight Construction

Compact dimensions and low weight simplify transportation, handling, installation, and maintenance.

Low Operating Torque

Optimized disc and seat design helps reduce operating torque and actuator requirements.

Quick Quarter-Turn Operation

90-degree operation enables fast and efficient opening and closing for reliable flow isolation.

Cost-Effective Solution

Simple construction and reduced material requirements provide an economical alternative for general-purpose isolation applications.

Easy Installation & Maintenance

The compact design requires minimal installation space and allows convenient access for routine maintenance.

Flexible Material Options

Body, disc, stem, and seat materials can be selected according to different media, temperature, and corrosion requirements.

Suitable for Manual or Automated Operation

Compatible with hand levers, gear operators, pneumatic actuators, and electric actuators for different operating requirements.

Wide Range of Applications

Suitable for water treatment, HVAC, chemical processing, petrochemical, oil & gas, power generation, and general industrial piping systems.

Application Scenario

Chemical Industry

Ball valves, butterfly valves, gate valves, globe valves, check valves, and control valves ensure safe fluid isolation, precise process control, and reliable operation in demanding chemical processing applications.

Oil Industry

Engineered for reliable isolation, flow regulation, and backflow prevention, our valve solutions support upstream, midstream, and downstream oil production and refining operations.

Natural Gas

Providing leak-tight sealing, dependable flow control, and safe pipeline operation for natural gas transmission, storage, LNG, and distribution systems.

Metallurgy

Built to withstand high temperatures, abrasive media, and harsh operating conditions in steelmaking, smelting, and metallurgical processing.

Power Generation

Ensuring reliable isolation, accurate flow control, and long-term performance in steam, boiler, turbine, and power plant systems.

Pharmaceutical

Delivering hygienic, precise, and contamination-free flow control for pharmaceutical manufacturing and clean process applications.

Steel Industry

Designed for high-temperature, high-pressure, and severe-service conditions in iron making, steelmaking, rolling mills, and auxiliary process systems.

New Energy

Supporting hydrogen, LNG, carbon capture, battery materials, and renewable energy projects with advanced valve solutions for safe and efficient process control.