Two-way control valve Elephant 232 PSI gray cast iron GC20, flanged with electric actuator DAV 2500 - 110/220V
Two-way control valve Elephant 232 PSI gray cast iron GC20, flanged with electric actuator DAV 2500 - 110/220V - DN65 / 16 bar / 25 is backordered and will ship as soon as it is back in stock.
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Description
Description
Control valve Elephant with pressure-relieved stem single-seat bore with electric actuator DAV 2500 - 220V is used as an actuator to complete automatic control systems in heating, ventilation and hot water supply circuits, individual heating stations and other heat supply facilities. Control valves Elephant are designed for hermetic shut-off or change of flow rate of working medium flowing through the pipeline at pressure not more than 1.6 MPa (16 atm) and medium temperature from +5°C to +150°C.
The body of Elephant single-seat bore valve is made of gray cast iron.
The actuator is an electric actuator DAV 2500 - 220V.
The valve body has a nameplate with basic information about the product.
Connection to the pipeline is flanged.
The Elephant control valve with electric actuator is used for cold and hot water, ethylene glycol solution and other media not aggressive to body materials, temperature value of which does not exceed 150°C and nominal pressure up to 1.6 MPa.
The valve is controlled by electric actuator DAV 2500 - 220V. The force developed by the actuator is transferred through the stem to the plug, which, moving up or down, changes the area of the passage section in the gate and regulates the flow rate of the working medium.
Electric actuator of control valve DAV-2500 is a direct-acting electric actuator designed to control two-way and three-way valves. It is used to control the position of the gate, stem or other regulating body. It makes it possible to regulate the main indicators of the working medium.
Parameters of two-way control valve Elephant 232 PSI gray cast iron GC20, flanged with electric actuator DAV 2500 - 110/220V:
Parameter |
Value |
Type of design |
With pressure-relieved stem |
Type of valve |
Two-way regulating valve |
Throttling unit |
Plunger unit |
Actuator model |
DAV 2500 - 220V |
Type of electric actuator |
Direct drive |
Nominal diameter, mm |
65 / 80 |
Nominal pressure, bar |
16 |
Conditional flow capacity Kvs, m³/h |
25 - 160 |
Type of connection |
Flanged |
Body material |
Cast iron |
Working medium temperature, °C |
From +5°C to +150°C |
Ambient temperature, °C |
From -15°C to +50°C |
Relative humidity |
30% – 80% |
Average service life |
8 years |
Technical characteristics of two-way control valve Elephant 232 PSI gray cast iron GC20, flanged with electric actuator DAV 2500 - 110/220V:
DN, mm |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
Conditional flow capacity Kvs, m3/h |
0,2 |
1,6 |
1,6 |
6,3 |
10 |
10 |
16 |
40 |
63 |
Stroke of stem, mm, ± 5% |
10 |
10 |
20 |
20 |
20 |
25/15 |
32/25 |
32 |
40 |
Characterization of regulation |
Linear |
||||||||
Cavitation onset coefficient, Z |
0.6 |
0.55 |
0.5 |
0.45 |
0.4 |
Weight and installation parameters of two-way control valve Elephant 232 PSI gray cast iron GC20, flanged with electric actuator DAV 2500 - 110/220V:
Parameter |
DN, mm |
||
65 |
80 |
100 |
|
L, mm |
290 |
310 |
350 |
H, mm |
575 |
585 |
630 |
H1, mm |
480 |
485 |
515 |
Weight, kg |
26.3 |
30 |
45.2 |
Mounting holes
DN, mm |
65 |
80 |
100 |
Number of holes, pcs |
4 |
8 |
8 |
Diameter of holes d, mm |
16 |
16 |
16 |
Materials of two-way control valve Elephant 232 PSI gray cast iron GC20, flanged with electric actuator DAV 2500 - 110/220V:
№ |
Part name |
Material |
1 |
Body |
Gray cast iron |
2 |
Plunger |
Steel |
3 |
Sealing ring |
- |
4 |
Seat |
Steel |
5 |
Stem |
Stainless steel |
6 |
Unloading piston |
- |
7 |
Valve cover |
Gray cast iron |
8 |
Cover seal |
Metal-to-metal |
9 |
Stem seal |
Rubber-fluoroplastic |
10 |
Actuator body and parts |
Forged brass |
Actuator stem |
Stainless steel |
|
Actuator seals |
EPDM, V-ring seal, spring self-compensation |
|
14 |
Nut |
- |
15 |
Support ring |
- |
16 |
Piston seal |
- |
17 |
Support bushing |
- |
18 |
Unloading chamber |
- |
Technical data of the actuator DAV 2500 - 220V:
Parameter |
Value |
Actuator model |
DAV 2500 - 220V |
Supply voltage |
230 V |
Nominal pressure |
2 MPa |
Shut-off pressure |
0.4–1 MPa |
Power consumption |
16 VA |
Nominal force |
2500 N |
Actuator stem travel |
44 mm |
Operating speed |
0.24 mm/s |
Motor |
Synchronous AC motor |
Maximum stroke |
22 mm |
Feedback signal |
0–10 V, 4–20 mA |
Ambient temperature |
From -5°C to +55°C |
Operating humidity |
10%–90% |
Housing protection rating |
IP54 |
Actuator weight |
4.7 kg |
Weight and dimensional parameters of the actuator DAV 2500:
L, mm | 190 |
l, mm | 166 |
H, mm | 327 |
h, mm | 158 |
h1, mm | 150 |
c, mm | 44 |
Actuator weight, kg | 4.7 |
Materials of actuator DAV 2500 - 220V:
Part |
Material |
Body |
Forged brass |
Working parts |
Forged brass |
Bracket |
Cast aluminum |
Stem |
Stainless steel |
Gears |
Steel |
Seals |
EPDM, V-ring seal, spring self-compensation |
Specifications
Specifications
-
Body material
-
Maximum allowable temperature
-
Connection type
-
Control type
-
Operating environmentAir, Water, Steam, Ethylene Glycol Solution Up To 60%
-
ApplicationsVentilation And Stationary Air Conditioning, Water Supply, Heat Supply
-
Nominal pressure
-
Type of seal
-
Type of control valve
-
Regulator Type
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Documentation
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