Page 214 - Peter Paul 2019 Catalog

HAZARDOUS LOCATION VALVES
Series 70 >> Model N74
Hazardous Location — 3-Way Normally Open Valve
The N70 line Peter Paul Hazardous location valves are UL listed and certified for non-incendive hazardous location Class 1, Div 2, Groups A, B, C and D; Class 2, Div 2, Groups E, F and G; T3C temperature rating.
• Largest direct acting (non-piloted) valve we manufacture. • Large orifice.
• High flow.
• Will operate effectively at very low pressures or vacuum.
Note: This valve also available as an operator. Refer to following page.
OPERATING CONDITIONS
Media: Air, water, and other fluids compatible with standard Buna seals. Hot water, steam, gasoline, and many oils require special seal materials. (Series 70 pressure ratings may change due to the viscosity of the liquid.)*
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.*
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Maximum Operating Pressure Differentials: See table on proceeding page.
Burst Pressure: 4000 PSI EXH Leakage: Bubble tight for standard valves.
Vacuum: To 5 Microns*
ELECTRICAL CHARACTERISTICS
Coil Voltage: 12 to 1150V AC 60 HZ. and 11 to 1035V AC 50 HZ. — 2.5 to 220V DC Nominal Power: AC — 18.0 Watts DC — 16.0 Watts
Coil Construction: Potted Class F or Class H (Opt.)
Typical Response Time on Air: 4 – 16 Milliseconds
Operating Speed: Up to 600 CPM Duty Cycle: Continuous
MECHANICAL CHARACTERISTICS
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Body: Stainless Steel (Std.) or Brass (Opt.)
Internal Components: Stainless Steel
Elastomers: Nitrile (Buna) (Std.). Many other elastomers available.*
Orifice Diameter: See table on proceeding page.
Porting: Standard 1/4” NPT (other ports available).*
Housing: 1/2′′ NPT conduit*
Listings: Listed and Certified for Non-Incendive Hazardous Locations Class 1, Div 2, Groups A, B, C and D; Class 2, Div 2, Groups E, F and G; T3C Temperature rating.*
Life Expectancy: Millions of cycles, depending on application, lubrication, etc.
Valve Weight: Conduit Valve: 2.06 lb
Repair Packs: See table on proceeding page.
Options: Alternate Port Locations, Metering and Alternate Elastomers
* Consult representative or factory for options and specifications.
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