Soft Seated Butterfly Valve KS9
Description
Technical data
Wafer type butterfly valve or lug type butterfly valve for installation between flanges EN 1092 PN 10/16 or ASME class 150. Secure shut-off of solids without friction in the seat. Due to the pneumatic pressurisationof the seat ring in position CLOSED, the valve switches without friction and without preload between seat and valve disc. Signs of wear are avoided in this way.
Sizes DN 50 – DN 150
Face-to-face dimension DIN EN 558 line 20 API 609 table 1
Mounting flange DIN EN ISO 5211
Test DIN EN 12266 P10 P11 P12 leakage rate A
Certifications CE-Marking, TA Luft, FDA approval, food certification 1935/2004, ATEX
Available materials
| Body | Valve disc |
Seat ring |
| Grey cast iron (GG25) | Stainless steel 1.4517 (polished) | EPDM |
| Ductile iron (GGG40, GGG40.3) | Stainless steel 1.4529 | EPDM white |
| Cast steel (GS-C25) | Bronze | NBR |
| Stainless steel 1.4517 | PTFE-lined | MVQ (silicone) |
| E-CTFE-coated | FPM | |
| EPDM-rubber lined | PU (polyurethane) | |
| Alloy C22 | ||
| Titanium |
* If you have any other material requirements, please contact us!