Paddle Spacer Blind Sets - Any Rating, Thickness or Material
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Paddle Spacer Blind Sets

Prevent Issues Caused by Flange Spreading with a Paddle Spacer Blind Set

80 inch Blind and Spacer Set Hydrorated Thickness Spacer Blind Stainless Steel Spacer

Product Features

Prevent issues during maintenance due to pipe spreading
Line sizes up to 96" are available
Any thickness, rating or alloy available upon request
All paddle spacers and blinds are manufactured to your specs

Product Description

USA Industries' paddle spacer blind sets allow you to easily swap between closing off and opening a section of the pipe for maintenance. Single blinds or blanks are positive shut-off devices that prevent flow through a pipeline. Paddle spacer blinds or ring spacers are used to fill the space of single blinds when they are removed from the piping system.

With space, weight, and other pipeline requirements permitting, it may be more convenient and cost-effective in specific situations to use a spectacle blind. These blinds are a combination of the two that can be rotated to function as a single blind or a ring spacer depending on your current need.

Because we manufacture our own paddle spacer and blind sets, we can make them to your exact customized needs. Blinds are available from 0.5" to 96", from 150# to 2500# ASME rating and in any material or with any finish. All blinds are stamped with line size and flange rating, and ground to provide smooth edges. We offer serrated (125 / 250 RMS typical) or mill finishes by default, as well as the option between flat face, raised face, octagonal, or RTJ flanges, and material options include Carbon Steel, 304 and 316 Stainless steel and more. All in-stock orders ship within 24 hours.

Need something custom? USA Industries can customize our all of our blinds to your exact specs. All blinds are manufactured under our strict quality-assurance program.

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Product Specs

Select flange rating to
see blind dimensions.

Line sizes up to 96" are available. Standard isolation thickness is 5/16" (+/- 1/16). Any thickness, rating or alloy is available upon request.

Sizes and thicknesses meet the following specifications:

ASME 16.48, ASME 16.5, ASME B16.47

Blank thicknesses over 24 NPS were calculated using the equation for blanks in ASME B31.3 as follows:

T=dāˆš ((3P)/(16SE))

d = I.D. of ring gasket (inches), T = Blank Thickness (inches), S = 23,300 psi, E = 1.00, P = Design Gauge Pressure psi.

S (Basic Allowable Stress) and E (Quality Factor) values were determined from tables A1 and A1-A from B31.3 for 516-Gr 70 material with the temperature range of -20 to 100 degrees Fahrenheit. This calculation does not take into consideration any required corrosion allowance if needed.

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