8910 - Silent Check - Class 125 Cast Iron
Cast Iron Check Valves
The KITZ 8910 is a globe-style silent check valve engineered for quiet operation and dependable backflow prevention. Designed for use in commercial plumbing and HVAC systems, this valve features a rugged Class 125 cast iron body and stainless steel (304) internal trim for enhanced corrosion resistance and durability. Its silent operation minimizes water hammer and noise, making it ideal for noise-sensitive environments. Available in sizes ranging from 2 1/2" to 8", the 8910 is suitable for horizontal and vertical installations and meets industry standards for performance and reliability.
| Items |
 8910-212 8910 - Silent Check - Class 125 Cast Iron |
8910-300 8910 - Silent Check - Class 125 Cast Iron |
8910-400 8910 - Silent Check - Class 125 Cast Iron |
8910-500 8910 - Silent Check - Class 125 Cast Iron |
8910-600 8910 - Silent Check - Class 125 Cast Iron |
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| Type | Silent Check Valve | |||||||||
| Size | 2 1/2 | 3 | 4 | 5 | 6 | |||||
| Operating Temperature [Max] | 200 ºF | |||||||||
| Pressure [Max] | 200 psi | |||||||||
| Cracking Pressure | 1/2 psi | |||||||||
| Body Material | Cast Iron (A126 Class B) | |||||||||
| Disc Material | Stainless Steel (ASTM A351 CF8) | |||||||||
| Seat Ring Material | Stainless Steel (ASTM A351 CF8) | |||||||||
| O-ring Material | FKM | |||||||||
| Bush Material | Stainless Steel (Type 304) | |||||||||
| Coil Spring Material | Stainless Steel (Type 304) | |||||||||
| Cv Coefficient | 114 | 156 | 301 | 437 | 634 | |||||
| Length | 5.5 in | 6.0 in | 7.25 in | 8.5 in | 9.75 in | |||||
| d | 2.76 in | 3.23 in | 4.37 in | 5.35 in | 6.34 in | |||||
| t | 0.69 in | 0.75 in | 0.94 in | 0.94 in | 1.00 in | |||||
| End Type | Flanged | |||||||||
| End Size | 2 1/2 | 3 | 4 | 5 | 6 | |||||
| Weight | 20 lb | 23.5 lb | 38.5 lb | 53 lb | 70 lb | |||||
| Mounting Recommendation |
Valve should be mounted a minimum of six times the nominal pipe diameter from pumps, elbows or other transition devices in the piping system. These are not to be used as steam valves. Valves are not to be used near a reciprocating air compressor. |
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| Industry Standards/Certifications |
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