SKU: 45537043318

12 Underwriters Laboratory/Factory Mutual Flanged Swing Check Valve

Sale price$486.04 Regular price$540.04
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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31

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Description

12 Underwriters Laboratory/Factory Mutual Flanged Swing Check ValveThe 12 Underwriters Laboratory Factory Mutual Flanged Swing Check Valve is a one way valve designed to prevent backflow in fire protection and water systems. It is UL Listed and FM Approved, ensuring compliance with fire safety standards. The swing type disc mechanism allows flow in one direction and automatically closes when flow stops, preventing reverse flow. Designed for use with or without a lever and weight. A spring kit is also available for

The 12 Underwriters Laboratory/Factory Mutual Flanged Swing Check Valve is a one-way valve designed to prevent backflow in fire protection and water systems. It is UL Listed and FM Approved, ensuring compliance with fire safety standards. The swing-type disc mechanism allows flow in one direction and automatically closes when flow stops, preventing reverse flow. Designed for use with or without a lever and weight. A spring kit is also available for alternative operation.

Specification Details
TYPE Flanged Swing Check Valve
DESIGN Optional lever & weight or spring assist, helps control closure speed and reduce water hammer
MATERIAL Iron for strength and impact resistance
WEIGHT (LBS) 509.000
ADDITIONAL INFORMATION 698 mm Length, 483 mm Dia, 32 mm Flange Width, 432 mm Flange Hole Distance, 12 Holes, 25.4 mm Hole Diameter
BODY MATERIAL Ductile Iron
DISC MATERIAL Ductile Iron
CONNECTION TYPE Flanged
INLET TO OUTLET LENGTH 698 mm
NOMINAL SIZE 12"
OPENING SIZE 300 mm
PACKING MATERIAL Stainless Steel
PRESSURE RATING 300 psi
SEAL MATERIAL Rubber
SEAT MATERIAL ASTM B62 C83600 Brass Copper Alloy
TOP TO INLET CENTER 358 mm
TRIM MATERIAL Stainless Steel
APPLICATIONS Ideal for Fire Protection Systems, Municipal Water & Wastewater Systems, Pumping Stations, Industrial & Process Water Systems, HVAC & Cooling Systems
BRAND Midland Industries

 

Link to Midland Industries Catalog

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 45537043318

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4.7 ★★★★★
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J
Job
Natrona Heights, US
★★★★★ 5
Great basic and timeless design
Size: 12 Little Kid, Color: Brown
These sandals are a great find! They’re super easy to get on and off thanks to the Velcro straps, which is a huge win for little ones learning to be more independent. The fit is adjustable and secure, so they stay in place well during all kinds of play. The cork-style footbed is comfortable and gives good support, and the overall design feels sturdy enough to handle everyday wear. They’re lightweight but still durable, and have held up really well so far. They also have a classic, versatile look that goes with just about everything, perfect for summer outfits. Overall, a reliable, comfortable sandal that’s great for active kids. Would definitely buy again!
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Reviewed in the United States on April 24, 2026
N
Nicole
Grantham, US
★★★★★ 5
Great option for boys or girls
Size: 13 Little Kid, Color: Black, Size: 13 Little Kid, Color: Black
This is really more of a unisex option for a sandal. I have sandals that look like this, and both of my children have worn this style. I ordered these for my daughter, with the plan to pass them down to my son if they're not too worn when she outgrows them. The style is very minimalistic, so it goes with lots of outfits. All the straps are easily adjustable, so you can get a good fit. I would say the length is true to size, but the width is maybe a bit wide. Nevertheless, the adjustable straps really help them fit well. They feel really sturdy and I appreciate that the sole has cushion to it. My daughter has worn these every day since I got them out of the closet and they're holding up well.
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Reviewed in the United States on February 19, 2026
K
Verified Purchase
Kylat
Los Angeles, US
★★★★★ 5
Fast shipping
Size: 5 Big Kid, Color: Black
Good sandals, the kid just didn't want them. Fast shipping and easy returns!
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Reviewed in the United States on June 11, 2026
R
Verified Purchase
Ryan
Massapequa, US
★★★★★ 5
Great shoes
Size: 6 Toddler, Color: Brown
Perfect for little ones
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Reviewed in the United States on May 28, 2026
M
Verified Purchase
Mimie Hull
Cuba, US
★★★★★ 5
Great kids sandals
Size: 9 Toddler, Color: Taupe
These are cute and my kids say they’re comfortable! We got a few colors. Definitely would purchase again. They’ve got good quality.
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Reviewed in the United States on March 18, 2026

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