Description

Technical Parameters

Introduction

The Concentric Butterfly Valve is a valve for pipeline flow control, available in bulk and customizable.

Parameter

Parameter	Specification / Options
Model	PCB100 or OEM
Size Range	2" ~ 80"
Pressure Range	PN6 / PN10 / PN16 / PN25, 125LB / 150LB
End Connection	Double Flange, Lug, Wafer
Bore	Full Bore
Operation	Manual, Actuated (Electric or Pneumatic)
Body Material	Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
Disc Material	Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
Seat Material	EPDM, NBR, PTFE, VITON, SILICON
Basic Design	API 609, EN 593
Face-to-Face Standard	ASME B16.10, EN 558
Flange End Standard	ASME B16.5 (≤24"), ASME B16.47 Series A/B (≥26"), EN1092
Test and Inspection	ASME B16.47 Series A/B
Fire-Safe Test	API 607
Manufacturing Standard	NACE latest version on request
Additional Notes	Additional sizes and pressure classes available upon request

Features of Concentric Butterfly Valve

Durable

The Concentric Butterfly Valve has a ductile iron or stainless steel body and a hardened disc, making it wear- and corrosion-resistant with a service life over 8 years.

Wide Temperature Range

The valve seat material can withstand temperatures from -20℃ to 200℃, meeting the needs of various operating conditions.

Multi-Media Adaptability

Suitable for water, gas, oil, and particulate media.

Precision Machining

The valve stem and disc are CNC machined with a tolerance of ±0.2 mm, ensuring a long-term tight seal.

Customization

Parameter	Options / Details
Valve Body Material	Cast iron, Stainless steel, Carbon steel (customizable upon request)
Valve Seat Material	EPDM, NBR, PTFE, VITON (customizable upon request)
Valve Disc Specifications	Disc thickness and size (customizable)
Operation Method	Manual, Gear, Electric, Pneumatic
Connection Method	Wafer, Flange, Threaded (customizable upon request)
Special Coating	Corrosion-resistant or wear-resistant coatings (available upon request)

FAQ

Q: How does a Concentric Butterfly Valve work?

A: A Concentric Butterfly Valve regulates flow in a pipeline by rotating a central valve disc, thus controlling fluid flow.

Q: Which industries are suitable for it?

A: Suitable for water treatment, chemical, energy, food, pharmaceutical, and shipbuilding industries.

Q: Is installation complicated?

A: No. The valve body is compact, occupies little space, and can be quickly installed in piping systems without additional support.

Q: How is a Concentric Butterfly Valve maintained?

A: The valve has a simple structure; the valve disc and seat are removable for cleaning, reducing maintenance time.

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