Hydraulic Cushion slow Closing Check Valve
Description:
The RDCS is a slow closing check valve with hydraulic cushion function. The bottom of the body is equipped with micro-resistance slow closing device, when the pump stops, the disc will fall quickly, before full closure about 15% of the trip ,the disc will close slowly through the special device without water hammer happened.
Features:
.Non-Clog Design
.Reinforced Disc
.One Moving Part
.Drop Tight Seating
.Non-slam Closure
.Fusion Bonded Epoxy
.Mechanical Disc & Position Indicator
.Backflow Actuator
General Applications:
For general water supply, fire fighting,HVAC/ cooling & sewage system.
Usually installed at the pump outlet.
Size | DN50-DN600 |
Working Temperature | - 10C- 80C |
Pressure Rating | PN10,PN16,PN25 |
Connecting Flange | PN10/PN16/ANSI 150LB |
Flow Media | Water and Waste Water |
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 | Steel steel | AISI304 |
6 | Spring | Steel steel | AISI304 |
7 | Slowly-closing tail plug | Steel steel | AISI304 |
8 | Fixed nut | Bronze | ZCuAL10Fe3 |
9 | Plunger Pipe | Steel steel | AISI304 |
10 | Plunger rod | Steel steel | AISI304 |
11 | Wedge | Steel+rubber+nylon | #45 steel+NBR/EPDM+Nylon |
12 | Pin | Steel steel | AISI304 |
13 | Lining | Rubber | NBR+EPDM |
14 | Reinforced fibre | Nylon | Commercial |
15 | Wedge | CS/ Cast iron | #45 steel/GJS500-7 |
16 | Stainless pipe | Steel steel | AISI304 |
17 | Needle valve | Steel steel | AISI304 |