Bray – Resilient Seated Butterfly Valve – Series 32/33
Butterfly Valves
Bray - Resilient Seated Butterfly Valve - Series 32/33

Efficient Sealing for Process Control Systems

The Bray Series 32/33 Resilient Seated Butterfly Valve has many of the design features and benefits of the smaller Bray valves, such as high Cv ratings, minimum parts exposed to the line media, greater reliability and a proven record of long service life.

Size RangeNPS 22 to 36 / DN 550 to 900
Body MaterialsCast Iron, Ductile Iron, Carbon Steel, Stainless Steel
Temperature Range-20°F to 250°F (-29°C to 121°C)
Stem MaterialsStainless Steel, Duplex Stainless Steel, Super Austenitic Stainless Steel, Monel
Maximum Allowable Operating PressureSeries 32: 75 psi (5 Bar)
Series 33: 150 psi (10 Bar)
Seat MaterialsEPDM, BUNA-N, FKM*
Shutoff RatingBidirectional Bubble-tight
Disc MaterialsNylon 11 Coated Ductile Iron, Aluminum Bronze, Stainless Steel,
Duplex Stainless Steel, Super Austenitic Stainless Steel, Hastelloy®, Monel
Body StyleWafer
Flange DrillingASME B16.1 Class 125, ASME B16.5 Class 150, ASME B16.47
Testing StandardMSS SP-61, API 598, EN 12266-1
CertificationsABS, ATEX, Bureau Veritas, DNV, NSF 61/372, PED, PE(S)R, SIL
Face to FaceAPI 609 Category A, EN 558 Series 20
ApplicationsWastewater, Seawater, Water, other liquids and gases