Wafer-Type Stainless Steel Butterfly Valve "HAKUCHO" M-620 by Kurimoto

Luis Alberto Fing
Aug 15
2 min read

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Introducing the HAKUCHO M-620: Wafer-Type Stainless Steel Butterfly Valve for Large Bores

Nichiboku Ltd. is proud to introduce the Kurimoto Wafer-Type Stainless Steel Butterfly Valve "HAKUCHO" M-620"HAKUCHO" M-620, a precision-engineered wafer-type rubber-seated butterfly valve, specifically crafted for large-diameter piping systems. Designed entirely in stainless steel and available in 250mm and 300mm sizes, this valve meets the high standards of reliability and durability expected in industrial applications.

Metal butterfly valve with a handwheel on a gray background. Text: "KURIMOTO Wafer Type Rubber-Seated Butterfly Valves Model M-620." — Wafer-type stainless steel butterfly valve, Kurimoto HAKUCHO M-620, designed for large-diameter pipes, showcasing superior durability and rubber-seated construction.

Engineered for Industrial Efficiency

The HAKUCHO M-620 is an expansion of Kurimoto's proven M-611 series, incorporating full stainless steel construction to deliver unmatched corrosion resistance and a compact, lightweight form. Built for use in demanding environments, this valve is ideal for fluid systems in air conditioning, water treatment, sewage, and industrial applications.

Key Features of the HAKUCHO M-620 Butterfly Valve

Robust Stainless Steel Build▸ Body & Disc: SUS304 Stainless Steel▸ Stem: SUS403 Stainless Steel▸ Seat: EPDM Rubber (Ethylene Propylene Diene Monomer)
Wide Fluid Compatibility▸ Handles cold/hot water, air, sewage, and industrial water.
Pressure & Temperature Ratings▸ Max Pressure: Water 1.0 MPa / Air 0.2 MPa▸ Fluid Temperature: 0°C to 90°C
Compact and Standardized Design▸ Face-to-Face: Complies with JIS B 2032 Series 46▸ Flange Compatibility: JIS 5K and 10K

Actuation Options for Large-Diameter Control

The M-620 is typically equipped with:

Manual Gear Operator – Ensures user-friendly manual control.
Electric Actuator – Supports automated operations.
Pneumatic Actuator – Ideal for integration in compressed air systems.

Lightweight Yet Durable – A Smart Choice for Industrial Systems

The HAKUCHO M-620’s all-stainless steel construction offers significant advantages over traditional cast iron alternatives. It eliminates the need for rust-preventive coatings while providing a lighter structure that reduces installation complexity and long-term maintenance.

For engineering teams and industrial buyers looking for long-term value and Japanese manufacturing excellence, the Kurimoto HAKUCHO M-620 is a solution worth integrating.