As a Micro Resistance Slow Closing Check Valve factory from China, we manufacture valves to CJ/T 154 standards with a strong QT450-10 ductile iron body for outstanding strength and durability. This DN500 valve, rated PN10, comes with RF flanged ends for reliable and easy installation. Its design ensures minimal flow resistance and incorporates a slow-closing function to effectively reduce water hammer, making it well-suited for water supply and distribution systems. Each valve is thoroughly tested and inspected in accordance with GB/T 1392 standards to guarantee dependable performance and long-lasting operation.
Valve Description:
Micro Resistance Slow Closing Check Valve, QT450-10, DN500, PN10, RF.
Design: CJ/T 154
Body: QT450-10
Nominal Size: DN500
Nominal Class: PN10
End Connection: GB/T 17241.6,GB/T 9124.1
Face to Face: MFG'S
Test and Inspection: GB/T 13927
Product Range:
Body Material: Nodular Cast Iron
Normal Diameter: DN50-DN1000 (2 - 40 inches)
End Connection: RF
Pressure Range: PN10-PN63(150LB-600LB)
Working Temperature: ≤ 80°C
Technical Parameters And Characteristics:
Product Item |
Slow Closing Check Valve |
Nominal Diameter |
DN50-DN1000 |
Design Temp |
≤ 80°C |
Design Pressure |
PN10-PN63 |
Valve Body |
Nodular Cast Iron |
Design Standard |
CJ/T 154 |
Face to Face |
MFG'S |
Connection End |
Flange |
Test Standard |
GB/T 13927 |
Package |
Plywood |
Application |
water, oil, etc. |