Butterfly Valves
Bray - Double offset - 4-Cx
High Performance Butterfly Valve for Critical Industrial Operations
Based on Bray’s patented, award-winning design, this double offset high performance butterfly valve is precision engineered to deliver quality, value, and reliability in high temperature, high pressure, high cycle, and critical service applications. This highly versatile valve features an adjustable live-loaded stem sealing with certified low emission packing.
Specification / Detail
| Size Range | DN 80 to 400 |
| Temperature Range | -29°C to 260°C |
| Maximum Allowable Operating Pressure | 40 bar |
| Body Style | Wafer | Lug |
| Tightness Test | EN 12266-1 Rate A |
| Valve Design | EN 12569 | EN 593 | NE 167 |
| Material Standard | EN 16668 | AD2000 W0 |
| Marking | EN 19 | DIN EN IEC 61406 | DIN 91406 |
| Top Flange | ISO 5211 |
| Flange Drilling | EN 1092-1 PN 10 | PN 16 | PN 25 | PN 40 |
| Face to Face | EN 558 Series 20, Series 25 |
| Declaration of Conformity | CE | UKCA |
| Pressure Equipment Directive | 2014/68/EU | PE(S)R |
| Machinery Directive | 2006/42/EC |
| Atmospheric Explosion | ATEX (2014/34/EU) |
| Fugitive Emissions | ISO 15848-1 | TA-Luft VDI 2440 |
| Safety Integrity Level | IEC 61508 Level 3 (SIL 3 capable) |
| Body Materials | Carbon Steel (EN 1.0619) | Stainless Steel (EN 1.4408) |
| Disc Materials | Stainless Steel (EN 1.4408) |
| Stem Materials | Stainless Steel (EN 1.4542) |
| Seat Materials | RPTFE with Resilient Energizer |
| Applications | Process, Sour Gas, Steam, Vacuum, Water and Wastewater |