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Description
12 American Water Works Association C508 Swing Check Valve WithThe 12 American Water Works Association C508 Swing Check Valve with is a heavy duty, one way valve designed to prevent backflow in water and wastewater systems. It operates using a swinging disc mechanism, which allows fluid to flow in one direction and automatically closes when flow stops. This valve meets AWWA C508 standards, ensuring reliable performance in municipal, industrial, and fire protection applications. Designed for use with or without a
The 12 American Water Works Association C508 Swing Check Valve with is a heavy-duty, one-way valve designed to prevent backflow in water and wastewater systems. It operates using a swinging disc mechanism, which allows fluid to flow in one direction and automatically closes when flow stops. This valve meets AWWA C508 standards, ensuring reliable performance in municipal, industrial, and fire protection applications. Designed for use with or without a lever and weight. A spring kit is also available for alternative operation.
| Specification | Details |
|---|---|
| TYPE | Swing Check Valve |
| DESIGN |
Swing disc mechanism allows smooth, unrestricted forward flow and automatic closure to prevent backflow |
| MATERIAL | Iron for strength and impact resistance |
| WEIGHT (LBS) | 578.000 |
| 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 |
| CONNECTION TYPE | Flanged |
|
DISC MATERIAL |
Ductile Iron |
| 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 Municipal Water & Wastewater Systems, Pumping Stations, Fire Protection Systems, Industrial & Process Water Systems, HVAC & Cooling Systems |
| BRAND | Midland Industries |
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Exchange/Return Notes
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4.4 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
It works! Quality pillow.
Size: Standard (1 Count), Color: Original White (Cooling)
This does actually provide a cooling effect, and it's very comfortable! The accompanying literature is helpful too. I believe this to be a quality pillow for the price.
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Most comfortable pillow I’ve ever slept on
Size: Queen (1 Count), Color: Crescent White(cooling)
This is the most comfortable pillow I have ever slept on. It doesn't mash down like other pillows. Cradles my neck perfectly plus it’s cool. I broke my neck a couple of years ago and this pillow feels very good and comfortable. Definitely recommend to everyone. Ive used it since May and it’s retained its shape.
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Reviewed in the United States on June 6, 2026
★★★★★ 4
Smell
Size: Queen (2 Count), Color: Original White (Cooling)
The fact that there are not more comments on the smell of these pillows has me worried about some of yall. Listen, I LOVE the weight, and the firmness, it’s perfect for that. However, these pillows are RANK. They have a very strong mildew-ish smell that lingers. I took the outer cover off and washed it and let the pillow air out for a few days, the smell is still very strong when you press your face against it, which one does because it is in fact designed for that purpose. It smells so bad. It’s nauseating. I can smell it through two pillowcases and blanket that I threw on top of them hoping an extra layer would trap the smell. I’ll bake them in the Texas sun tomorrow and hope that helps, because otherwise these are the perfect pillows for someone who wants to feel like they are hugging a torso but can’t stand the sound/feel of someone else breathing. I don’t know…4 stars, if the smell goes away I’ll come back.
Update: many many days later. Either they don’t really smell anymore or I got use to it. They’ve held their firmness and shape well. I like them.
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Reviewed in the United States on March 9, 2026
★★★★★ 5
Actually Cooling Pillow
Size: Queen (1 Count), Color: Original White (Cooling)
This is a really nice pillow, I was worried it would be too soft or too firm but it's just right and it's actually cooling, it feels cool every time I touch it. I've noticed an improvement in sleep since using it. Would recommend!
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Repurchased in King Size – Still Love These Cooling Pillows
Size: King (2 Count), Color: Original White (Cooling), Size: King (2 Count), Color: Original White (Cooling)
After using the queen-size version of these pillows for over a year, we purchased the king-size set when we upgraded to a king mattress. Both my husband and I really like them.
The cooling feature works well, and we like that each side feels different—when I run cold, I use the softer bamboo side, while my husband prefers the cooler side since he tends to sleep hot. They fit well in our king-size pillowcases and feel supportive in all sleeping positions, whether I’m on my stomach, side, or back.
I also appreciate that you can remove some of the filling to adjust the firmness. The covers are washable, which makes them easy to maintain. Overall, we’re very happy with this repurchase and the long-lasting comfort.
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Reviewed in the United States on April 15, 2026