Description
The JNP selection of duct accessibility doorways is developed to offer effortless and speedy entry to smoke, fire and quantity handle dampers, coils, filters and other air conditioning and ventilating products mounted within ductwork.
The assortment of five dimensions have been carefully picked to supply distinct degrees of accessibility from single handed to head and shoulder entry.
JNP obtain doorways are of double pores and skin “sandwich” development full with 20mm thick substantial density insulation and are sealed to prevent any insulation migration.
The one particular piece mounting frames are pressed for accuracy and pre-punched on interior and outer flanges.
This characteristic makes it possible for doorways to be installed so that a flush end is reached on basic or insulated ductwork.
All measurements of door are fitted, as common, with a retaining chain amongst the doorway and body.
JNP accessibility doorways are suitable for higher, medium and reduced pressure apps and satisfy the needs of HVCA DW144 Specification classes A and B.
Specification
Frame, Seamless one particular piece .7mm galvanized delicate steel.
CZPT, Outer panel .7mm galvanized moderate metal
Internal panel .7mm galvanized moderate metal.
Insulation, 20mm thickness insulation.
Gasket, Constructive seal.
Fasteners, Progressive motion camlocks, zinc plated. 
Retaining chain, zinc plated, among doorway and frame.
Certification

circumstance