DHH44X/H Micro Resistance Slowly-Closing Silencing Check Valve
| Categories | Check Valve |
|---|---|
| Brand | GARLOS |
| Model | DHH44X/H |
| Nominal Pressure | 0.6-2.5MPa |
| Slow Closing Time | 3-90 s |
| Suitable Medium | Water |
| Test Standard | GB/T13927-1992 |
| Update Time | Apr 20,2024 |
Brief Introduction
DHH44X / H Micro Resistance Slowly-Closing Silencing Check Valve is mainly used for industrial, urban water supply and drainage pipes and high-rise residential, hotels, pressurized water pump outlet. In the design to fully consider the needs of the use of the environment, the use of inclined plate structure, to no vibration, no noise, smooth operation. To ensure that hotels, residential environment quiet, and energy-saving effect. So as to reduce the water pressure impact of stopping pump back-flow and eliminate the generation of the peak value of water hammer. The sealing of closure is made of NBR, the sealing performance is good and shock absorption is reduced. Wear-resistant, long service life, easy maintenance.
Parameters
Nominal Pressure | 0.6-2.5MPa |
Nominal Diameter | 200-2000mm |
Slow Closing Time | 3-90 s |
Suitable Medium | Water |
Suitable Temperature | 0-80℃/ 0-400℃ |
Test Standard | GB/T13927-1992 |
Main Material
Name | Material |
Body | Gray cast iron HT200, Ductile iron QT400-18, WCB |
Disc | Gray cast iron HT200, Ductile iron QT400-18, WCB, Carbon steel Q235-A |
Stem, Buffer cylinder | Fine carbon steel 45, stainless steel |
Seal Ring | NBR. Stainless steel |
Installation
Dimension
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