As a China Micro Resistance Slow Closing Check Valve supplier, we provide valves designed to CJ/T 154 standards with a durable QT450 ductile iron body for long-term reliability. This DN800 valve, rated for PN10 pressure, features RF flanged ends to ensure secure and leak-proof pipeline connections. Its micro resistance and slow closing function effectively reduce water hammer and support stable flow in municipal and industrial water systems. Each unit is rigorously tested and inspected in accordance with GB/T 13927 standards, guaranteeing dependable performance and high-quality manufacturing backed by trusted expertise.
Valve Description:
Micro Resistance Slow Closing Check Valve, QT450, DN800, PN10, RF.
Design: CJ/T 154
Body: QT450
Nominal Size: DN800
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(150 LB - 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. |