Resilient Seated
High Performance
Triple Offset
Lined
PTFE Lined Butterfly Valve Series 22/23
Engineered to Resist Aggressive Chemicals with Reliable Performance and A Variety of Material Options
PTFE Lined Butterfly Valve for Corrosion Resistance and Long Service Life
Bray's Series 22/23 lined butterfly valve features a state-of-the-art design that provides excellent shutoff protection (bubble-tight shutoff) and high Cv values with exceptionally long service life. The Series 22/23 resilient seated butterfly valve is available in a variety of materials including PTFE, PFA, Stainless Steel, UHMWPE and special alloys to fit a wide range of customer requirements.
Resilient Seated 3-Cx
Engineered with a Vulcanized Seat for Optimized Performance and Efficient Automation
Wafer and Lug Style Butterfly Valve with Bubble Tight Sealing and Long Cycle Life
Reliable Valve Solution for Chemical and Water Applications
The Series 3W Cx wafer and Series 3L Cx lug style resilient seated butterfly valve feature a vulcanized seat, a profiled disc sealing edge, and stem bearings. These features provide optimized performance and efficient automation solutions for a long cycle life without compromising bubble tight sealing.
Resilient Seated Butterfly Valve Series 20/21
Resilient Seated Valves for High Cv and Low Pressure Drop
Enhance Flow Efficiency with Bray’s Resilient Seated Valves
Reliable, Certified Valves for Food, Beverage, and Chemical Systems
The Series 20/21 resilient seated butterfly valve surpasses the high standards required in food and beverage valve applications. Bray's Series 20 valve features a wafer body design with flange locating holes, and the Series 21 is lug version provides dead-end service capability.
- Food and Beverage & Chemical applications
- One-piece disc/stem
- High Cv, low pressure drop
Resilient Seated Butterfly Valve Series 30/31
Size Range
NPS 2 to 20 / DN 50 to 500
NPS 14 to 20 / DN 350 to 500
Body Materials
Cast Iron, Ductile Iron, Carbon Steel, Aluminum
Temperature Range
-20°F to 400°F (-29°C to 204°C)
Maximum Allowable Operating Pressure
175 psi (12 Bar)
150 psi (10 Bar)
Stem Materials
Stainless Steel, Monel K500
Shutoff Rating
Bidirectional Bubble-tight
Design Standard
MSS SP-67, API 609, Category A
Flange Drilling
ASME B16.1 Class 125, ASME B16.5 Class 150, EN 1092 PN 10, 16
Testing Standard
MSS SP-61, API 598, EN 12266-1
Certifications
ABS, ATEX, Bureau Veritas, CRN, DNV, FDA 21 CFR 177.1550, NSF 61/372, PED, PE(S)R
Face to Face
MSS SP-67, API 609, Category A, EN 558
Body Style
Wafer, Lug
Seat Materials
BUNA-N, EPDM, FKM, Polyurethane
Disc Materials
Nylon 11 Coated Ductile Iron, Aluminum Bronze, Stainless Steel, Hastelloy®, Halar® Coated Ductile Iron
applications
Potable Water, Wastewater, Seawater, HVAC
Resilient Seated Butterfly Valve Series 31H
Size Range
NPS 2 to 20 / DN 50 to 500
Body Materials
Cast Iron, Ductile Iron
Temperature Range
-20°F to 250°F (-29°C to 121°C)
Stem Materials
416 Stainless Steel
Maximum Allowable Operating Pressure
250 psi (17.2 Bar)
Seat Materials
Bonded EPDM, Bonded BUNA-N
Shutoff Rating
Bidirectional Bubble-tight
Disc Materials
Nylon 11 Coated Ductile Iron, Aluminum Bronze, Stainless Steel
Body Style
Lug
Testing Standard
MSS SP-61, API 598, EN 12266-1, ISO 5208
Certifications
ABS, ATEX, CRN, DNV, NSF 61/372, PED, PE(S)R, SIL, TR CU
Face to Face
MSS SP-67, API 609 Category A, EN 558 Series 20
Flange Drilling
ASME B16.1 Class 125, ASME B16.5 Class 150, EN 1092 PN16
applications
High Pressure, HVAC, Dead-End service
Resilient Seated Butterfly Valve Series 31U
Fire-Certified Butterfly Valve for Industrial Fire Protection and Pressure Control
Valve with High Strength Stem Design and Bubble-Tight Shutoff
Reliable Bubble-Tight Shutoff for High-Pressure Environments in Industrial Use
Bray's Series 31U resilient seated butterfly valve is specifically designed for onshore and offshore fire protection where the applicable certification is D.O.T. 54 (UK Department of Trade). The series 31U is designed to withstand high line velocities and pressure.
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
Resilient Seated Butterfly Valve Series 35F
NSF/ANSI 61/372 Certified Valves for Potable Water and Industrial Applications
Potable Water NSF Certified Butterfly Valves
Superior Flow Control with Double Flanged Resilient Seated Butterfly Valves
Bray Series 35F large diameter resilient seated butterfly valves are designed specifically for high chloride services. Bray has carefully selected valve materials and designed features that optimize performance without sacrificing system efficiency. Series 35F valves offer rugged reliability in a light weight design.
Resilient Seated Butterfly Valve Series 36H
High-Pressure Resilient Seated Butterfly Valves for Optimal Performance
Bray Controls is proud to offer a line of superior quality, high pressure manual butterfly valves that meet many of today's requirements in the process industry. Series 36H large diameter, double flanged resilient seated butterfly valves are rated for dead end service, as well as drilled and tapped to meet ASME Class 125/150 and PN16 flanges.
Resilient Seated Butterfly Valve Series 3A/3AH
Industrial Butterfly Valve with Non-Corrosive Bushing and Enhanced Seal Technology
High-Pressure Shut-Off Up to 250 psi
Reliable Shut-Off Valve for Automation and Critical Pressure Control
Bray's Series 3A/3AH resilient seated butterfly valve features a double flanged design that is well-suited for dead-end service. International compatibility is a major design advantage of Bray's modular valve product lines.
The same valve is compatible with most world flange standards – ASME Class 125/150, BS 10 Tables D and E, BS 4504 NP 10/16, AS 2129 and JIS10. Additionally, Series 3A and 3AH valves are designed to comply with ISO 5752-Table 2 (EN558 Table 13) face-to-face and ISO 5211 actuator mounting flanges resulting in one valve design that can be used in a variety of world markets.
Resilient Seated Butterfly Valve-Series 3W/3L
Body Materials
Cast Iron, Ductile Iron
Temperature Range
-20°F to 250°F (-29°C to 121°C)
Stem Materials
Stainless Steel
Maximum Allowable Operating Pressure
Maximum 250 psi (17.2 Bar)
Seat Materials
EPDM, BUNA-N
Shutoff Rating
Bidirectional Bubble-tight
Design Standard
API 609, Category A, EN 593, MSS SP-67
Flange Drilling
API 609, Category A, ASME B16.1 Class 125, ASME B16.5 Class 150, AS 2129 Table D & E, EN 1092 PN6, PN10, PN16, JIS 10K
Testing Standard
API 598, ISO 5208, EN 12266-1, MSS SP-61
Certifications
ABS Type Approval, CE/PED, CRN, FDA, ANSI/NSF 372, ANSI/NSF-61
Face to Face
API 609 Category A, EN 558 Series 20
Body Style
Wafer 3W, Lug 3L
Disc Materials
Nylon 11 Coated Ductile Iron, Stainless Steel
applications
Potable Water, Wastewater, Seawater, HVAC, Data Centers, Sugar &