Item # 12" Butterfly Valve, Series 31 Lug Body Valves Under Cut On Jamieson Equipment Co., Inc.

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All Products > Valves > Butterfly Valves > Series 30/31 Resilient Seated Butterfly Valves > Item # 12" Butterfly Valve


	Item # 12" Butterfly Valve, Series 31 Lug Body Valves Under Cut

The Series 30/31 is built to meet the stringent requirements for many of today’s applications. Availiable in wafer or lug style body with unique features that results in longer service life, easy parts replacement, and interchangability of components. The unique Double-D Disc/Stem connection eliminates exposure of the stem and stem retention componets to the line media. The unique tougue-in-groove seat design provides for easy replacement and are self-sealing between flanges.

Specifications:
• Size Range: 2" - 20" (50mm - 500mm)
• Body Style: Wafer, Lug
• Temperature Range: -20°F to 400°F (-29°C to 204°C)
• Pressure Ratings: Bidirectional Bubble-tight Shut-Off: to 175 psi (12 Bar)
• Body (CWP): 250 psi (17.2 Bar)
• Body Materials: Cast Iron, Ductile Iron, Carbon Steel, Aluminum
• Disc Materials: Nylon 11 Coated Ductile Iron, Aluminum Bronze, Stainless Steel, Hastelloy®*, Halar®* Coated Ductile Iron
• Stem Materials: Stainless Steel, Monel K500
• Seat Materials: BUNA-N, EPDM, FKM*, Polyurethane
• Applications: Potable Water, Wastewater, Seawater, HVAC

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Specifications · Bolting Data

Specifications

Valve Size		12 in 300 mm

Dimension A		14.88

Dimension B		3.00

Dimension C		11.75

Dimension D		13.47

Dimension E		12.25

Dimension F		5.91

Dimension G		10.18

Dimension H		0.87

Dimension J		2.00

Dimension K		11.47

Weight		88 lb

JEC Part #		31106UC120RS

Manufacturer		Bray Controls

Bolting Data

Dimension BC		17.00

No. of Holes		12

Threads UNC-2B		7/8-9

DOWNLOADS


		Series 30/31 Butterfly Valve Reference Sheet (PDF, 448KB)

		Bray Butterfly Valves Catalog (PDF, 4317KB)

		Series 30 & 31 Recommended Specifications (PDF, 78KB)

		Resilient Seated Butterfly Valves Technical Manual (PDF, 2357KB)

		Bray Full Line Overview (PDF, 2496KB)

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Item # 12" Butterfly Valve, Series 31 Lug Body Valves Under Cut

Valve Size

Dimension A

Dimension B

Dimension C

Dimension D

Dimension E

Dimension F

Dimension G

Dimension H

Dimension J

Dimension K

Weight

JEC Part #

Manufacturer

Dimension BC

No. of Holes

Threads UNC-2B