Resilient Seated Butterfly Valve Series 35/36

Size Range
NPS 22 to 36 / DN 550 to 900
Body Materials
Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
Temperature Range
-20°F to 250°F (-29°C to 121°C)
Stem Materials
Stainless Steel, Duplex Stainless Steel, Super Austenitic Stainless Steel, Monel
Maximum Allowable Operating Pressure
Series 32: 75 psi (5 Bar)
Series 33: 150 psi (10 Bar)
Seat Materials
EPDM, BUNA-N, FKM*
Shutoff Rating
Bidirectional Bubble-tight
Disc Materials
Nylon 11 Coated Ductile Iron, Aluminum Bronze, Stainless Steel,
Duplex Stainless Steel, Super Austenitic Stainless Steel, Hastelloy®, Monel
Body Style
Wafer
Flange Drilling
ASME B16.1 Class 125, ASME B16.5 Class 150, ASME B16.47
Testing Standard
MSS SP-61, API 598, EN 12266-1
Certifications
ABS, ATEX, Bureau Veritas, DNV, NSF 61/372, PED, PE(S)R, SIL
Face to Face
API 609 Category A, EN 558 Series 20
applications
Wastewater, Seawater, Water, other liquids and gases

 

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Description

Adjustable Packing and Flexible Design for Enhanced Performance

Certified and Tested for Superior Performance

The Series 35/36 resilient seated butterfly valve provides the same robust features of the Series 32/33 valves with the addition of adjustable packing, increasing the maximum valve size offered to 120” (3000mm), and utilizing the flexible design of a fully flanged body. These valves hold to the Bray traditions of reliable performance and providing a long service life.
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