BUTTERFLY VALVES – NON-HAZARDOUS CONTENTS
A butterfly valve that complies with the requirements of the abrasive content requirements like Cement Slurry, Crude oil, Hot water etc.
Flange connection that conforms to EN / ISO standard.
A one-piece disc / shaft with centric bearing is safe against expulsion. Disc Material – CF8 / ASTM 351 (Austenitic stainless steel for general corrosion resistance).
Sealing surface between disc and body is EPDM/NBR liner, matched machined pair to ensure long trouble-free operation and no leaks. Attention given to the sealing area – Specify at least double sealing.
Stem – SS 410 – Hard enable, Superior wear resistance with excellent corrosion resistance.
Sealing surface is ensured with the thickness on the seat as at least 3mm and the wide chambered sealing serves as a double-sided sealing of the flanges.
The liner and the body are profile matched to prevent the liner being moved during operation.