Paddle Blind - Rentals & Sale - Isolation & Hydrotest Thickness
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PIPING PRODUCTS FOR ISOLATION & TESTING

Paddle Blind - Isolation & Hydrotest Thickness


More than 1 Million Pounds of Blinds Available for Rental or Sale

Product Features

• In-Stock Product ships within 24 hours
• Available in isolation, ASME Rated or custom
• Line sizes up to 96" are available
• Any thickness, rating or alloy available upon request
• Easily identifiable due to coloring, marking and handles

Product Description

When it comes to isolating or testing piping - "We're it!"

We have the largest inventory of isolation and hydrotest paddle blinds available for both rental and sale (also known as pancake blinds, spade blinds, skillet blinds, slip blinds, spec blinds, test blinds and blanks). Our inventory consists of more than 1 Million Pounds of blind flanges, isolation, and hydrotest paddle blinds ready to ship 24/7, including nights and weekends, by our staff of dedicated team members.

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In a hurry? With our team of engineers and factory staff on hand 24/7 to ship existing inventory or manufacture new parts, we lead the industry in time from order to delivery, helping meet your needs quicker than any of our competitors.

We're constantly reinventing the piping isolation blind game with innovative new solutions, enhanced product offerings and our commitment to continually increase the quality and durability of every blind we produce. We take pride in the quality of our the paddle blind, hydrotest blind, and isolation blind that we manufacture. Every paddle blind we ship, whether for rental or purchase, is ground to a smooth edge finish, stamped, freshly painted and color coded for easy identification. Blinds are available with raised face dimensions (per ASME specs), mill or serrated finish (125 / 250 RMS typical), as well as ring type joint (RTJ), oval or octagonal, and male or female configurations. Our huge inventory of blinds consists of 516 - Gr70 Spec Carbon Steel material made to ASME B16.47 & B16.48/ANSI B16.5 & B16.2 standards.

If you're not familiar with our Patented EZ Lock Blind Rack or our custom solution blinds (EZ Vent-Purge, EZ Vent, EZ Purge, and EZ Guillotine Blinds) visit our related products section below to see which solutions could be saving you time and money!

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Lunch and Learn


Lunch is on us! Let our industry reps come to your offices and highlight the latest advancements in piping isolation, tube plugs, heat exchanger tools and more. Save time while increasing your awareness of new products to the market!

Request Product Training


Our industry experts can come out to your plant or shop and show you how to use the tools USA Industries sells. Including: Heat Exchanger Tools, Specialty Piping Blinds, Snap It, Tube Plugs, and more...

EZ Lock Blind Rack Video


Blind Dimensions
& Thickness Chart

View Interactive Chart

Get Quick QuoteProduct Specs


Select Blind Type (isolation or rated) and Rating to see paddle blind dimensions.

Frequently Asked Questions


  • What is the difference between your blinds and the competition?
    We ARE the manufacturer, not a reseller, and we have been providing slip blinds to the industry since 1982. Our blinds are not just "cut and shipped metal", they are provided as a finished product... We send every blind we manufacture out with perfect symmetry, clean edges, fresh paint, marked or stamped (for easy identification with the line size and flange rating), and with color coded handles for quick identification of the flange rating from a distance.

    Additionally, though others might claim this, USA Industries has the largest stock available for immediate delivery along with immediate in-house production.
  • What's the most common thickness of blinds used only for isolation?
    Most requests are for 5/16" thickness, although 1/4" or 3/8" are also very common. We stock more 5/16" but we can fill your order in any required thickness.
  • What type of handles are available?
    Our standard handles include:
    'T-Handles', '7 Handles', and 'Straight Handles'. We can also make custom handles for you.
  • We require tag holes on our blinds, can you meet that requirement?
    Absolutely, we can customize your blind in almost any way you need, just let the sales representative know when you place your order.
  • What finish do you stock? What finishes do you offer?
    We stock our isolation and hydrotest blinds with a mill finish and offer a 125/250 RMS serrated finish as a standard option, but we can manufacture to your exact request/needs!
  • What is the difference between a paddle blind and a hydroblind?
    The term "paddle blind" is generic term and does not imply thickness or purpose of the blind (isolation or testing).

    A "hydroblind", also often referred to as a "spec blind" or "hydrotest blind", is designed to handle the maximum pressure a pipe would be subjected to for testing purposes per ASME specifications.

    Depending on the company, some use only hydroblinds for isolation Or testing as they consider this a safer way to operate. This way they know it will hold up if latent pressure builds up in the line. The hydroblind will not fail in this situation, where a thin isolation blind could if the pressure raises high enough.
  • What is the needed blind thickness for hydrotesting?
    This is dependent on the flange's AMSE rating. Sizes and thickness are manufactured to the ASME 16.48, API 590, ASME 16.5 specifications and will hold the pressure that the spec calls for.
  • What are the other names for a paddle blind?
    Some other names we've heard a paddle blind referred to are: skillet blind, pancake blind, slip blind, test blind, hydroblind, hydrotest blind, spec blind, isolation blind, blank, and stop blind.

    Did we miss one? Let us know and we'll add it to the list!
  • Are these available in anything other than carbon steel?
    Of course! We regularly manufacture blinds out of more than 20 different materials, and we can make them out of practically any material at your request.
  • What are the different colored handles for?
    We use the handle colors as a quick way of identifying the flange rating for our blinds from a distance.
    • 150#: Red
    • 900#: Green
    • 300#: Blue
    • 1500#: White
    • 600#: Yellow
    • 2500#: Orange

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