 |
| Place of Origin: | China |
| Brand Name: | BRANDO |
| Certification: | CE |
| Model Number: | EVRA 40 |
| Minimum Order Quantity: | 1 PC |
|---|---|
| Price: | negotiation |
| Packaging Details: | Sealed PVC bag, inner box, carton, pallet |
| Delivery Time: | 3 Working Days |
| Supply Ability: | 5000pcs Per Month |
| Refrigerants: | R717 (NH3) Ammonia And Fluorinated Refrigerants | Ambient Temperature: | -40 - 80 °C |
|---|---|---|---|
| Body Material: | Cast Iron | Coil: | BB-Clip On Or BE/BF-Clip On Or BG-Clip On |
| Connection Material: | Steel | Cv Value [gal/min: | 1 |
| Flow Direction Indicator: | Embossed 1-way Arrow | Function: | Normally Closed |
| Inlet Connection Type: | Butt Weld | Valve Operation: | SERVO-PISTON |
| High Light: | normally closed solenoid valve,liquid line solenoid valve |
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042H1142 EVRA 40 Ammonia Refrigerants Servo Operated Piston Refrigeration Solenoid Valve With Butt Weld Connections
EVRA40 solenoid valve is designed mainly for ammonia refrigerants, it is supplied complete or as separate components, i.e. valve body, coil and
flanges can be ordered separately.
Technical data:
Refrigerants:Applicable to HCFC, HFC and R717 (Ammonia).
Temperature of medium:
−40 → +105°C.
Max. 130°C during defrosting.
| Type | Opening differential pressure with standard coil ( ∆p bar) |
Temperature °C |
Max. working pressure |
kv-value 1) |
|||
| Min. | Max. (= MOPD) liquid 2) | ||||||
| 10 W a.c. | 12 W a.c. | 20 W d.c. | |||||
| EVRA 40 | 0.20 | 21 | 25 | 14 | –40 → 105 | 42 | 25 |
1) The kv value is the water flow in m3/h at a pressure drop across valve of 1 bar, ρ = 1000 kg/m3.
2) MOPD for media in gas form is approx. 1 bar greater.
EVRA 32 and EVRA 40 Design Function:
4. Coil
16. Armature
18. Valve plate / Pilot valve plate
20. Earth terminal
24. Connection for flexible steel
hose
28. Gasket
29. Pilot orifice
30. O-ring
31. Piston ring
36. DIN plug
40. Terminal box
43. Valve cover
44. O-ring
45. Valve cover gasket
48. Flange gasket
49. Valve body
51. Cover / Threaded plug
53. Manual operation spindle
59. Strainer
73. Equalization hole
74. Main channel
75. Pilot channel
76. Compression spring
80. Diaphragm/Servo piston
82. Support washer
83. Valve seat
84. Main valve plate
EVRA 25, 32 and 40 are servo operated piston valves. The valves are closed with currentless coil. The servo piston (80) with main valve plate (84) closes against the valve seat (83) by means of the differential pressure between inlet and outlet side of the valve, the force of the compression spring (76) and possibly the piston weight. When current to the coil is switched on, the pilot orifice (29) opens. This relieves the pressure on the piston spring side of the valve. The differential pressure will then open the valve. The minimum differential pressure needed for full opening of the valves is 0.2 bar.
Material specification of 042H1142 EVR40A Ammonia Refrigerants Servo Operated Piston Refrigeration Solenoid Valve:
| No. | Description | Solenoid Valves | Material | Analysis | ISO | EN |
| 1 | Valve body | EVRA 25/32/40 | Cast-iron | GJS-400-18-LT | 1563 | |
| 2 | Armature tube nut | EVRA 25/32/40 | Stainless Steel | X8CrNiS 18-9 | 10088 | |
| 3 | Armature tube | EVRA 25/32/40 | Stainless Steel | X2CrNi19-11 | 10088 | |
| 4 | Flange | EVRA 25 | Steel | S235JRG2 | 10025 | |
| EVRA 32/40 | Steel | P285QH | 10222-4 | |||
| 5 | Gasket | EVRA 25/32/40 | Aluminium | Al99.5 | 10210 | |
| 6 | Gasket | EVRA 25 | asbestos-free | |||
| EVRA 32/40 | Rubber | Cr | ||||
| 7 | Cover/thread plug | EVRA 25 | Free-cutting steel | 11SMnPb30 | 10277-3 | |
| EVRA 32/40 | Stainless Steel | X5CrNi17-10 | 1088 | |||
| 8 | Gasket | EVRA 25 | Rubber | Cr | ||
| 9 | Bolts | EVRA 25 | Stainless Steel | A2-70 | 3506 | |
| 10 | Cover | EVRA 25 | Cast-iron | GJS-400-18-LT | 1563 | |
| 11 | Bolts | EVRA 25/32/40 | Stainless Steel | A2-70 | 3506 | |
| 12 | Valve Seat | EVRA 25 | (PTFE) |
Dimensions of EVRA40 Ammonia Solenoid Valve:
You also could click below picture to watch EVRA40 solenoid valve vedio that we posted on Youtube:
We also manufacturer other types solenoid valve, welcome your any enquiry. Customized is also available, welcome your drawing or sample:
Contact Person: Brandon
Tel: +8613454729544
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