Blue Hydraulic Check Valve No Clog Design With Hydraulic Cushion Device Rubber Coated Disc
Hydraulic Cushion slow Closing Check Valve No Clog Design
Description:
RDCS is a check valve with hydraulic cushion device that can make closing slow. The hydraulic cushion device in the bottom, when the pump stops, the rubber disc will close quickly, before full closure about 15% of the trip ,the rubber disc will close slowly through the special device without water hammer happened.
Features:
.Rubber disc with NBR/EPDM fully coated, that can provide better sealing and corrosion protection.
.Nylon lining into the disc to improve strength, that can avoid fracture.
.The disc is located on the upper part of the fluid after opening the valve and can reduce damage.
.All cast iron parts are coated with epoxy that can extend service life.
.Simple design, easy opening the upper bonnet to do clean, replace, and maintain.
.Meet BS EN1074-3,BS4504, and BS EN558 distance of faces.
| Size | DN50-DN600 |
| Working Temperature | - 10C- 80C |
| Pressure Rating | PN10,PN16,PN25 |
| Connecting Flange | PN10/PN16/ANSI 150LB |
| Flow Media | Water and Waste Water |
| Quality System | |
| IQC | Check call incoming parts |
| IPQC | Check the production process is qualified |
| FQC | All valves are pressure tested |
| OQC | Check the valve ourlook and packing |
General Applications:
For general water supply, fire fighting,HVAC/ cooling & sewage system.
Usually installed at the pump outlet.
Material:
| Item | Part Name | Material | Standard |
| 1 | Body | Cast iron | GJS500-7 |
| 2 | O-ring | Rubber | NBR |
| 3 | Bonnet | Cast iron | GJS500-7 |
| 4 | Bolts | Steel galvanized | Commercial |
| 5 | Slowly-closing steel | Stainless Steel | AISI304 |
| 5-1 | Spring | Stainless Steel | AISI304 |
| 5-2 | Slowly-closing tail plug | Stainless Steel | AISI304 |
| 5-3 | Fixed nut | Bronze | ZCuAL 10Fe3 |
| 5-4 | Plunger pipe | Stainless Steel | AISI304 |
| 5-5 | Plunger rod | Stainless Steel | AISI304 |
| 6 | Wedge | Steel+rubber+nylon | #45steel+NBR/EPDM+Nylon |
| 6-1 | Pin | Stainless Steel | AISI304 |
| 6-2 | Lining | rubber | NBR/EPD |
| 6-3 | Reinforced Fibre | nylon | Commercial |
| 6-4 | Wedge | CS/Cast Iron | #45steel/GJS500-7 |
| 7 | Stainless PIPE | Stainless Steel | AISI304 |
| 8 | Needle valve | Stainless Steel | AISI304 |
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