Description
Resilient Seated Butterfly Valve Bray Series 30-31
Series 30/31
Size Range?NPS 2 to 20 / DN 50 to 500 NPS 14 to 20 / DN 350 to 500? ??Temperature Range??-20?F to 400?F (-29?C to 204?C)
Maximum Allowable Operating Pressure?175 psi (12 Bar)? 150 psi (10 Bar)
Specifications
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)? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?Stem Materials?Stainless Steel, Monel K500
Maximum Allowable Operating Pressure?175 psi (12 Bar) 150 psi (10 Bar)? ? ?Seat Materials?BUNA-N, EPDM, FKM, Polyurethane
Shutoff Rating?Bidirectional Bubble-tight
Disc Materials?Nylon 11 Coated Ductile Iron, Aluminum Bronze, Stainless Steel, Hastelloy?, Halar? Coated Ductile Iron
Body Style?Wafer, Lug??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? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?Applications??Potable Water, Wastewater, Seawater, HVAC
Features & Benefits
The Bray Series 30 Wafer and Series 31 Lug style resilient seated butterfly valves feature a one-piece body with a high-strength through stem design utilizing an internal disc to stem connection.
The Series 30/31?is engineered to provide bidirectional bubble-tight shutoff and isolation of the line media from the stem or valve body.
Available with a wide selection of high-quality resilient seat & disc materials for a variety of applications, our Series 30/31 butterfly valves are easily automated for on-off or modulating service.
The Series 30/31?is engineered to provide bidirectional bubble-tight shutoff and isolation of the line media from the stem or valve body.
Available with a wide selection of high-quality resilient seat & disc materials for a variety of applications, our Series 30/31 butterfly valves are easily automated for on-off or modulating service.
