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Kurimoto BT-D Butterfly Valve | High-Precision Japanese Flow Control

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Introduction

The Kurimoto BT-D Butterfly Valve is a high-performance flow control solution engineered in Japan for large-diameter pipeline systems. Recognized for its durability, stable sealing, and operational reliability, this valve is widely used in water treatment plants, wastewater systems, and industrial infrastructure. Nichiboku Ltd. proudly presents this proven Kurimoto solution to engineers, industrial buyers, and project decision-makers worldwide.



A black butterfly valve on a blue gradient background. Text reads "BT-D Series Butterfly Valve" and "Kurimoto" with logos.
Innovative BT-D series butterfly valve designed for high-performance use in large-scale water systems and industrial infrastructure.

Kurimoto BT-D Butterfly Valve for Large-Diameter Pipelines

Designed to operate under demanding conditions, the Kurimoto BT-D Butterfly Valve combines robust construction with precise flow control. Its design ensures reliable sealing and stable performance even in large-scale applications and harsh operating environments.

Technical Specifications (Table)

Parameter

Specification

Nominal size

400 mm – 3000 mm

Applicable fluids

Water and related fluids

Pressure classes

0.45 MPa (Class 1)0.75 MPa (Class 2)1.0 MPa (Class 3)

Body / Disc

Cast iron or ductile iron

Stem

Stainless steel

Seat

Rubber (high sealing performance)

The disc contact surfaces are chrome-plated to enhance wear resistance and extend service life.

Flexible Actuation Options

The BT-D Series is available with multiple actuation options to meet diverse operational requirements:

  • Manual operation

  • Electric actuation

  • Cylinder-operated actuation (pneumatic or hydraulic)

This flexibility allows seamless integration into both automated systems and manually operated installations.

Typical Applications

  • Water treatment and distribution plants

  • Wastewater and drainage systems

  • Industrial utility pipelines

  • Large-scale infrastructure projects

Field Application Example

Workers in safety vests and helmets inspect a rusted pipeline on an industrial dock by the sea under a cloudy sky. Text: "Kurimoto."
Engineers inspect the Kurimoto BT-D Series Butterfly Valve, designed for large-diameter pipelines, ensuring efficient flow control in industrial and water applications.

In large-scale hydraulic systems, the Kurimoto BT-D Butterfly Valve plays a critical role as a control and isolation component within main transmission pipelines. Its function is to ensure safe and stable flow management, supporting both continuous system operation and planned technical interventions without compromising network integrity.

Such applications require components capable of long-term reliability, tolerance to demanding operating conditions, and ease of maintenance. In this context, the BT-D Series provides a balanced solution combining structural robustness, sealing efficiency, and operational adaptability, contributing to service stability and optimized maintenance cycles in critical water and industrial infrastructure.

Overview of Catalog Specifications

BT-B Butterfly Valve catalog page showing valve diagram, specs, and materials. Features water/seawater use and 1.0 MPa pressure.
Kurimoto BT-D Butterfly Valve: Technical specifications and design illustrations highlight its versatile applications, featuring sizes from 400mm to 3000mm, with working pressures up to 1.0MPa. Constructed with durable materials like cast iron and stainless steel, it offers reliable water-tight sealing for various industrial uses.

The Kurimoto BT-D Butterfly Valve Series is characterized by a standardized configuration that simplifies selection, specification, and adoption in infrastructure and industrial projects. Its wide size range, multiple pressure classes, and material options allow it to accommodate diverse design requirements and technical standards.

This standardized approach, combined with Japanese manufacturing precision, supports efficient integration into new or existing systems, reducing engineering time and ensuring compatibility with internationally recognized standards commonly applied in water and industrial installations. Official Catalog

Nichiboku Worldwide Supply Support

Nichiboku Ltd. provides global supply support for Japanese industrial products, ensuring reliable distribution and after-sales assistance worldwide.

➡️ Get global supply support ➡️ Inquire about international shipping and product availability ➡️ Partner with Nichiboku for worldwide industrial solutions



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