Introducing the stainless steel "KM200 type" and the cast iron "C201R type" butterfly valves!

日本ダイヤバルブ本社　業務・開発部

We would like to introduce our "2 products" of butterfly valves! The stainless steel high-performance butterfly valve "KM200" is designed to accommodate a wide range of fluids with its reinforced PTFE seat. The drive shaft of the disc is double-eccentric, ensuring that the disc and seat remain non-contact until just before fully closed, resulting in minimal wear on the seat and a long lifespan. The cast iron butterfly valve "C201R" features a concentric contact surface on the seat, creating a self-sealing mechanism that generates contact pressure on the sealing surface of the disc due to fluid pressure, allowing for effective sealing from vacuum to high pressure. For more details, please refer to the related products and catalog, or feel free to contact us. 【Product Lineup】 ■ KM200: Stainless steel high-performance butterfly valve ■ C201R: Cast iron butterfly valve *For more details, please refer to the related products and catalog, or feel free to contact us.

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Stainless Steel High-Performance Butterfly Valve "KM200 Type"
Long lifespan with a double off-center mechanism! Usable even in reverse pressure load lines due to the absence of flow direction.

【Valve Specifications (Partial)】 ■ Applicable flange standards: JIS 5K, JIS 10K ■ Face-to-face dimensions: ISO 5752 Short (Basic Series No. 20) ■ Nominal diameter (DN): 50 to 600 ■ Operating pressure range: 0 to 1.0 MPa ■ Operating temperature range: -29℃ to 232℃ ■ Operation methods: Lever-operated, gear-operated, air-operated ON-OFF valve, air-operated control valve, electric-operated valve *For more details, please refer to the catalog (P5 to P10) or feel free to contact us. (The English and Chinese versions of the catalog can be downloaded from the catalog page of the special website below.)
Cast Iron Butterfly Valve "C201R Type"
High sealing performance achieved with a heart-shaped self-seal! Introducing a long-lasting cast iron butterfly valve.

【Specifications (Excerpt)】 <Main Component Materials> ■Body: FC200 ■Disk: FCD450 + Nickel Plating ■Sheet ・Synthetic Rubber Sheet: AB (NBR) ・Fluororesin Sheet: TF (PTFE + EPDM), CF (Carbon Fiber Reinforced PTFE + EPDM), CM (Carbon Fiber Reinforced PTFE + SUS304) ■Gland Packing: NBR, EPDM, FKM ■Stem: SUS420J2 *For more details, please refer to the catalog (P11-P17) or feel free to contact us. (The English and Chinese versions of the catalog can be downloaded from the catalog page of the special website mentioned above.)

Related catalog

NDV "Butterfly Valve" General Catalog

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