1011 Type Z purge and pressurization system

Key Benefits at a Glance

NFPA 70, NFPA 496, ISA 12.4 standards
Optional alarm output indicates air lock failure
Type Z system certified for Class I and Class II, Division 2 to nonhazardous area
Class I enclosure volume up to 2 ft³
Class II enclosure volume up to 10 ft³

Product photo: Type Z purge and pressurization system 1011

Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

Datasheet Function Classification Product Documentation Approvals

Technical data of 1011

1011 Series purge and pressurization system

Series		1011
System		Type Y Purge , Type Z Purge
Hazardous environment		gas

Protective gas supply		instrument grade air or inert gas
Pressure requirement		5 - 120 psi (With EPV-1 vent. Systems installed without vent must be equipped with redundant regulator set to 5 psi max.)
Safe pressure		Setpoint: Class I: 0.25" (6.35 mm); Class II: 1.0" (25.4 mm) Flow rate: 0.1 - 3.5 SCFH (2.8 - 99 l /hr)

Ambient temperature

-29 ... 49 °C (-20.2 ... 120.2 °F)

Connection type		System supply fitting: 1/4" tube fitting Enclosure supply fitting: 1/4" tube fitting Enclosure reference fitting: 1/4" tube fitting
Material		Regulator body: brass, zinc w/enamel finish Regulator handle: polycarbonate Enclosure pressure gauge: alum w/ enamel finish Tube fittings: 316 ss forged body Tubing: 316 ss 1/4" .035 welded System nameplate: silk screened Lexan^® Fastener hardware: alum. & stainless steel Mounting plate & bracket: anodized aluminum Enclosure warning nameplate: silk screened ss
Mass		3.2 kg (7 lb)

UL approval

cULus

Class I, Division 2, Groups A, B, C, D
Class II, Division 2, Groups F, G

General Notes

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