ChemFlyer | CST

PTFE Lined Butterfly Valve

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

-60°C to 200°C

Face-to-face length

EN 558, Series 20

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