Hoffman A1001YZUMC1 1001, Class 1 Small-Volume Type Y and Z Purging/Pressurization System

$1,311.00
SKU:
A1001YZUMC1
UPC:
78351012796
Shipping:
Calculated at Checkout
Important Information:
Hoffman items typically ship from one of our distribution centers within 1-3 business days. Some Hoffman items may have extended lead times.

APPLICATION:

Small-Volume Purging/Pressurization Systems are an alternative to NEMA Type 7 or 9 enclosures. The C1 model allows general purpose enclosures, up to two cubic feet, to be used in certain Class 1 hazardous locations. The C2 model allows general purpose enclosures, up to 10 cubic feet, to be used in certain Class 2 hazardous locations.

SPECIFICATIONS:

  • Universal mount
  • Available in two models for enclosures with a maximum enclosure volume of up to 2 or 10 cubic feet
  • Mounting plate: Type 316 brushed stainless steel
  • Regulator body: zinc with enamel finish
  • Enclosure pressure gauge: aluminum with enamel finish
  • Polycarbonate regulator handle
  • Fastener hardware available in aluminum and stainless steel
  • Includes tamper-proof regulator with gauge (TR-10G) to comply with NFPA standard requiring protection against over pressurization

Note: Pressure Vent not required when inlet pressure limited to 5PSI using standard TR-10G. For inlet pressure over 5PSI order EPV-1-SA-00 or EPV-1-SA-90 separately. Contact Hoffman for pricing.

PROTECTED ENCLOSURES:

Enclosures should be constructed from materials such as metal, fiberglass or polycarbonate material to meet or exceed NEMA Type 4, Type 4X or Type 12 performance requirements.

CLASS RATINGS:

  • Classes define the explosive or ignitable substances that are present in the atmosphere.
  • Class I Flammable gases or liquid vapors
  • Class II Ignitable metal, carbon or organic dusts
  • Class III Ignitable fibrous materials

GROUP RATINGS:

  • Groups define substances by rating their explosive or ignitable nature in relation to other known substances.

DIVISION RATINGS:

  • Divisions define the degree of hazard by determining an explosive or ignitable substance’s expected concentration in the atmosphere.
  • Division 1 Contains substances under normal conditions
  • Division 2 Contains substances under abnormal conditions

TYPICAL CLASS I SUBSTANCES:

  • Group A Acetylene
  • Group B Hydrogen or >30% hydrogen by volume
  • Group C Ethyl, ether and ethylene
  • Group D Propane

TYPICAL CLASS II SUBSTANCES:

  • Group E Aluminum, magnesium and alloys
  • Group F Carbon, coke and coal
  • Group G Flour, grain, wood, plastic and chemicals

NOTES:

  • Division 1 areas must be surrounded by Division 2 areas.
  • Class II, Group E areas must be rated as Division 1 areas. 

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