China DN25 Butterfly Valve For Sale

Temperature Range: -29℃~450℃
Pressure Ratings: PN0.6~6.4MPa Class150~600
Size Range: DN5~DN2000
Connection standard: GB·ANSI·API

Product Description

The cast iron butterfly valve is a compact solution for small-scale applications. Made from high-quality materials, such as ductile iron for the body and EPDM for the seat, it provides a secure seal with minimal leakage risk.

 

How to Prevent Rust

To ensure longevity, consider surface treatments like galvanization or applying corrosion-resistant coatings. Regularly inspect the China butterfly valve and surrounding pipeline for moisture or contaminants.

Applications

Ideal for residential plumbing, small-scale HVAC systems, and low-pressure industrial setups, the DN25 butterfly valve provides reliable flow control in confined spaces.

Product Parameters

Fluid medium Water, oil, gas and various corrosive media
Temperature Range -29℃~450℃
Pressure Ratings PN0.6~6.4MPa Class150~600
Size Range DN5~DN2000
Connection standard GB·ANSI·API
Valve Life 50 years
Body Materials Carbon steel;Stainless stee;Aluminum bronze;Chrome-molybdenum steel;Alloy Steel
Valve plate material Carbon steel;Stainless steel;Aluminum bronze
Valve seat material Stelli Alloy;Tungsten carbide;Nickel alloy;Monel;Stainless steel
Connection Type Flanged;Double folder;Welding
Note All parts can be made of different materials according to actual working conditions.