2-WAY NORMALLY OPEN Valve
A UL and CSA listed, low watt, miniature hazardous location valve with minimal space and energy requirements in volatile environments. Air and other fluids are compatible with standard Buna seals. Hot water, steam, gasoline, oils, some hydraulic fluids, and many other media require special seal materials.
- Smallest hazardous location solenoid valve.
- Best ambient and high temperature ratings on the market.
- NEMA 4 rating is standard with encapsulated coil.
- High quality engineering.
| MAX. OPER. PRESS. DIFF. | ORIFICE SIZE | CV FACTOR | VALVE NUMBER | |||
|---|---|---|---|---|---|---|
| GAS | LIQUID | |||||
| AC | DC | AC | DC | N.O. | N.O. | |
| 300 | 200 | 300 | 200 | 1/32 | .020 | ELW51G8XCCP |
| 270 | 120 | 120 | 65 | 3/64 | .048 | ELW51H8XCCP |
| 135 | 50 | 40 | 30 | 1/16 | .075 | ELW51J8XCCP |
| 70 | 35 | 30 | 20 | 5/64 | .134 | ELW51V8XCCP |
| 55 | 30 | 25 | 15 | 3/32 | .150 | ELW51K8XCCP |
Operating Conditions
- Media
- Air and other fluids compatible with standard Buna seals. Hot water, steam, gasoline, oils, some hydraulic fluids, and many media require special seal materials. (Series 50 pressure ratings may change due to the viscosity of the liquid.)*
- Valve Temperature Range
- Standard Valves – 0°F (-18°C) to 140°F (60°C) ambient; 0°F (-18°C) to 150°F (65°C) media. Optional Valves – can tolerate much higher or much lower ambient and media temperatures.*
- Maximum Operating Pressure Differentials
- See table above.
- Burst Pressure
- 5,000 PSI
- Leakage
- Bubble tight for standard valves.
- Vacuum
- To 5 Microns*
Electrical Characteristics
- Coil Voltage
- 12/DC, 24/DC, 48/DC, 125/DC, 120/60-110/50, 240/60, and 24/60.
- Nominal Power
- AC — 1.8 Watts DC — 1.8 Watts
- Coil Construction
- Encapsulated Class F Coil with third wire ground
- Typical Response Time on Air
- 4 - 16 Milliseconds
- Operating Speed
- Up to 600 CPM
- Duty Cycle
- Continuous
Mechanical Characteristics
- Internal Components
- Stainless Steel. Copper – AC Only.
- Elastomers
- Nitrile (Buna) (Std.). Many other elastomers available.*
- Orifice Diameter
- See table above.
- Porting
- 1/8" NPT (Std.)
- Housing
- Encapsulated with 1/2" NPT conduit
- Listings
- Valves are UL listed for Hazardous Locations — Class I, Div 1, Groups A, B, C, and D - Class II, Div 1, Groups E, F, and G; Div 2, Groups A, B, C, D, E, F, and G. "T" Rating as low as T5.
- Life Expectancy
- Millions of cycles, depending on application, lubrication, etc.
- Valve Weight
- 0.60 lbs
- Repair Packs
- See table above.
- Options
- Alternate Port Locations, Metering, Alternate Elastomers and All Stainless Steel Construction*
Series 50 ELW Encapsulated Low Watt Valves
MODEL ELW51
2WNO
EXPLOSION PROOF
MODEL ELW51 BODY OPTION "O"
2WNO
EXPLOSION PROOF
PeterPaul has created this page for you so you can calculate the flow or Cv (flow coefficient) to make the relationship visible between the pressure drop (the difference in pressure between two points of a liquid/gas carrying network) and the flow rate.
The use of this flow coefficient (Cv) calculator offers a standard calculation to compare valve capacities and sizing for a wide range of applications. The type and sizing of a valve or regulator can have a large impact on the performance of the assembly for transferring gas or liquids in the system.
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