Page 146 - Peter Paul 2019 Catalog

HAZARDOUS LOCATION HIGH PRESSURE VALVES
Series 20 >> Model EH23
Hazardous Location High Pressure
3-Way Normally Closed Valve
PeterPaul’s model EH23 has a dual operator valve that allows the same media control as a three way normally closed valve but at much higher pressure ratings than previously available. To function as a 3-way normally closed valve, operators must be alternately energized and de-energized. Pressure applied to the “IN” port must always be equal to or greater than the pressure in “CYL” port. Air and other non-corrosive gasses, water and oil.
• Precision stainless free floating plunger.
• Kel-F pin sealing element.
• Orifice guides the sealing pin for near perfect alignment.
Note: This valve also available as an operator. Refer to following page.
OPERATING CONDITIONS
Filtration: Down to 60 microns or less is recommended.
Valve Temperature Range: Standard Valves – 0°F (-18°C) to 104°F (40°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 on preceeding page.
Burst Pressure: 5,000 PSI
Leakage: Bubbletight (with polymer sealing pins) ELECTRICAL CHARACTERISTICS
Coil Voltage: 6 to 825V AC 60 HZ. and 5 to 720V AC 50 HZ.— 1.8 to 265V DC
Nominal Power: AC — 7.3 Watts DC — 9.5 Watts (Per Operator)
Coil Construction: Molded Class F with third wire ground (Std.), Class H or Potted (Opt.) Typical Response Time on Air: 4 – 16 Milliseconds
Operating Speed: Up to 600 CPM with gas media
Duty Cycle: Continuous
MECHANICAL CHARACTERISTICS
SOLENOID B ENERGIZED
SOLENOID A DE-ENERGIZED SOLENOID B ENERGIZED
SOLENOID A DE-ENERGIZED SOSLOENL AOID B ENERGISZOEDL B
S O L E S N O O L I A D A D E - E N E R S GO L I Z B E D
SOL A
EXH
SOL B
IN
CYL CYL
CYL
CYL CYL
CYL
EXH EXH
SOSLOENLEONIODIDAAENENEREGRGIZIZEEDD SOSLOENLEONIODIDB BDED-EE-NENEERRGGIZIZEED
SOL A SOL B SOSLOENL OA ID A ENERGSIZOELDB
SOLENOID B DE-ENERGIZED
SOL A SOL B
IN IN
Body: 300 Series Stainless Steel
Internal Components: Stainless Steel
Elastomers: Nitrile (Buna) (Std.). Many other elastomers available.*
Sealing Pin: Kel-F (Std.), Delrin®, Teflon®, Nylon, PEEK, Radel®, Ultem®, 303 Stainless Steel (Opt.)
Orifice Diameter: See table on preceeding page.
Porting: 1/4′′ NPT
Housing: Flame-Proof Construction with 1/2′′ NPT conduit
Mounting: Must be mounted within 30° of vertical.
Listings: Valves are UL listed and CSA certified for Hazardous Locations — Class I, Div 1, Group C and D – Class II, Div 1, Group E, F, and G; Div 2 Groups A, B, C, D, E, F, and G.
Life Expectancy: Millions of cycles, depending on application, lubrication, etc.
Valve Weight: 3.63 lbs
Repair Kits: See table on preceeding page.
Options: Alternate Sealing Pin Materials and Alternate Elastomers*
* Consult representative or factory for options and specifications.
EXH EXH
IN IN
NOTE: ALL PORTS OPEN WHEN BOTH SOLENOIDS ENERGIZED.
ALL PORTS CLOSEEXDHWHEN BOTH SOLEINOIDS DE-ENERGIZED. NOTE: ALL PORTS OPEN WHEN BOTH SOLENOIDS ENERGIZED.
NOTE: ALL PORTS OPEN WHEN BOTH SOLENOIDS ENERGIZED. ALL PORTS CLOSED WHEN BOTH SOLENOIDS DE-ENERGIZED.
EXH CYL IN
ALL PORTS CLOSED WHEN BOTH SOLENOIDS DE-ENERGIZED.
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