nVent A1001YZUMC1 - Small-volume system, class 1
nVent

A1001YZUMC1

UPC: 783510127961


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Installation Instructions

Contact for Pricing

Overview

The nVent Small-Volume Purging/Pressurization System (SKU A1001YZUMC1) converts general-purpose enclosures into compliant Class 1 hazardous location equipment. Designed for enclosures up to 2 cubic feet, it maintains positive internal pressure to prevent flammable gas ingress. The system features a Type 316L stainless steel regulator body with a zinc-plated brushed finish. It meets NFPA 496 and NEC Article 500 standards, supporting NEC Type Y (Class I, Div 1 Groups A–D to Div 2) and Type Z (Class I, Div 2 Groups A–D to Unclassified) ratings. Ideal for chemical processing, oil and gas, and pharmaceutical industries. UL, cUL, and Factory Mutual classified. CE compliant.
  • Universal mount
  • Available in two models for enclosures with a maximum enclosure volume of up to 2 or 10 cubic feet
  • Mounting plate: Type 316L 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.

Specifications

Application
Hazardous Environments
Color
Unpainted
Cubic Capacity
2 cubic ft
Depth
5 IN
Depth
127 mm
Finish
Brushed
Height
9 IN
Height
229 mm
Material
Stainless Steel 316L
Model
1001, Class 1
Modification Services
Yes
Nema Rating
Type Y
Series
Small-Volume Purging/Pressurization Systems
Size
2 cubic feet
Size
2CF in
Thickness
1.98 mm
Thickness
14 ga
Type
Other Accessories
Volume
0.06
Volume
2 ft³
Volume
0.06 m³
Weight
7.98 lb
Weight
3.74 kg
Width
229 mm
Width
9 IN
Works With
NEMA / IEC
Package Dimensions (L x W x H)
16.5 IN x 16.25 IN x 11 IN
Package Dimensions (L x W x H)
41.91 cm x 41.275 cm x 27.94 cm
Package Weight (Imperial)
7.980 L
Package Weight (Metric)
3.620 kg
Small-Volume Type Y Z Purge/Pressurization System, 10CF Class 2, Brushed, SS316

A1001YZUMC2

Small-Volume Type Y Z Purge/Pressurization System, 10CF Class 2, Brushed, SS316

How to Install the A1001YZUMC1 Enclosure Protection System

This guide provides step-by-step instructions for installing and configuring the A1001YZUMC1 Enclosure Protection System to ensure safe operation in hazardous environments.

Estimated time: 1h

Tools needed:

Screwdriver, Drill, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors, 1/4" O.D. tubing, Enclosure warning nameplate

  1. Mount the enclosure protection system

    Transfer the hole pattern of the system mounting plate to the intended surface. Drill and deburr the mounting holes, then secure the system using four (4) 1/4" x 3/4" stainless steel bolts, nuts, and lock washers.

  2. Connect the protective gas supply

    Install the protective gas supply header tap within twenty (20) feet of the enclosure protection system. Connect the gas supply tubing to the system supply fitting, ensuring all fittings are tightened to the manufacturer's specifications.

  3. Install enclosure supply and reference fittings

    Drill and deburr holes for the enclosure supply and reference fittings on the protected enclosure. Mount the fittings and connect the corresponding tubing, ensuring proper seating and securing the tubing to structural supports.

  4. Configure the system settings

    Set the protective gas supply regulator to a maximum of 5 PSI. If using an enclosure protection vent, ensure the gas supply does not exceed 120 PSI. Verify all connections are secure and check for leaks using a multimeter.

  5. Calibrate the system

    Perform a bench test of the system functions before final installation. Ensure the system maintains the required pressure levels and operates correctly under test conditions.

  6. Install warning nameplates

    Affix the enclosure warning nameplate in a prominent position on or near all enclosure accesses. Ensure it is clearly visible and contains necessary safety information.

Frequently Asked Questions about nVent

What industries and applications are nVent products used for?

nVent products are engineered for critical infrastructure and industrial applications across multiple demanding sectors. Key markets include Construction, Data Centers, Defense, Healthcare, Mining, Oil & Gas Refineries, Power Plants, Rail/Transit, Renewable Energy, Security, Ship Building, Steel Mills, Telecom, and Utilities. Their solutions are designed to withstand extreme environmental conditions, with temperature ranges from -55°C to 105°C and specialized features like UV resistance, oil resistance, and flame resistance.

What environmental ratings do nVent products have?

nVent enclosures feature comprehensive environmental ratings, including UL 508A, CSA, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications. They are rated IEC 60529 IP66, providing robust protection against dust, water, and corrosion in both indoor and outdoor environments. These products operate effectively in temperatures ranging from -40°F to 266°F, with enhanced UV inhibitors for outdoor weathering and oil-resistant gaskets for superior sealing.

What accessories are available for nVent products?

nVent offers a comprehensive range of accessories across multiple product lines, including EMC accessories like bonding cable clamps and strain reliefs, inline accessories such as lock inserts and mounting brackets, CONCEPT accessories including panel conversion kits and rack-mount angles, and seismic accessories for specialized mounting requirements. Key accessory categories include grounding kits, DIN rail mounting solutions, panel supports, handles, and various mounting hardware compatible with different enclosure types.

What certifications and standards do nVent products comply with?

nVent products meet critical international certifications including UL (United States), CSA (Canada), CE (European Community), and EAC (Russia). Our products are designed to comply with rigorous industrial standards such as NEMA enclosure ratings, IEC 60529 IP ratings, and international safety standards across multiple industrial markets including oil & gas, power, manufacturing, and infrastructure.

What is nVent's warranty policy?

nVent offers a standard 18-month warranty from invoicing date for most automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Warranty coverage includes repair or replacement at nVent's discretion, with certain conditions such as authorized service repairs and operation within designed capacity limits.

What technical support does nVent offer?

nVent offers comprehensive technical support through multiple global contact centers across North America, South America, Europe, Middle East, India, and Asia. Customers can reach technical experts by phone at regional numbers, with the North American headquarters in Minneapolis, MN providing primary support at +1.763.421.2240. Additionally, nVent provides online support resources through their website, including CAD drawing downloads and an 'Ask The Expert' feature to assist with product technical inquiries.