ChemFlyer | CST

The ChemFlyer | CST is the world leading, customisable PTFE lined butterfly valve, highly engineered in Switzerland to provide secure transmission of aggressive media.

Design Features

Secure & Leakage Free

Safer handling of corrosive media thanks to unique sealing system

Long Lasting & Economical

Sophisticated design principle for maximum lifespan

Unique

Modular construction and traceable parts

 

Specifications

Nominal Diameter

DN 25 - 1200; 1” - 48”

Flange Connections

EN 1092-1, PN 10-16

ASME B16.5, Class 150

JIS 10K

Max working pressure

DN 25 - 450: 10 bar
DN 500 - 600: 6 bar
DN 650 - 1200: 3 bar

Operating Temperatures

-20°C to 200°C

Face-to-face length

EN 558, Series 1

Disc Materials

PFA

PFAc, Conductive PFA

Stainless Steel, 1.4404

Duplex, 1.4462, 1.4469

Titanium Grade 2, 3.7035

Hastelloy C, 2.4602, 2.4819

Liner Materials

PTFE

Modified PTFE

Modified & Conductive PTFE

UHMPE

Backup Materials

Silicone

EPDM

FKM

Body Materials

Ductile Iron, 5.3103

Stainless Steel, 1.4404

Carbon Steel, S355J2

Plastic, VE-CF

Regulatory Standards

PED 2014/68/EU

ATEX 2014/34/EU

Food (EC) Nr. 1935/2004, FDA

TA-Luft, ISO 15848-1

Pressure Test

EN 12266-1