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Upright Sprinklers (NX003/ NX004)

Price Negotiable
Min Order 800 Pieces
Availability In Stock
Shipping From Jiangsu, China
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Model NO.:
NX003/ NX004
Sprinkler Installation:
Upright
Sprinkler Head Type:
Closed
Alarm Valve Type:
Wet Alarm Valve
Automatically Opened and Closed Repeatedly:
Can Automatically Opened and Closed
Open Fire Sprinkler System Type:
Water Spray System
Closed Fire Sprinkler System:
Wet Fire Sprinkler System
Dry Alarm Valve Type:
Enclosed Type
Wet Alarm Valve Structure:
Seat Type
Alarm Valve Diameter:
100mm
Nozzle Flow Coefficient:
80
Deluge Valve Type:
Thermal Type
Type:
Water Sprinkler
Material:
Brass
Trademark:
TUNA
Transport Package:
200PCS/CTN
Specification:
500*460*210mm
Origin:
Nanjing, China
HS Code:
84249090
Product Description
The NX003/NX004 Standard/Quick Response Upright are automatic sprinklers of the frangible bulb type. They are "standard/quick response standard orifice spray sprinkler" intended for use in fire sprinkler systems designed in accordance with the standard installation rules recognized by the applicable Listing or Approval agency (e. G., UL Listing is based on NFPA 13 requirements). The Upright, Pendent Sprinklers all produce a hemispherical water distribution pattern below the deflector.
Model & Sprinkler I. D. No.NX003NX004
StyleUpright
Bulb Nominal Dia. & ResponseØ 5mm, Standard ResponseØ 3mm, Quick Response
Thread Size [Optional]NPT1/2 or R1/2
Nominal Orifice Size1/2 Inch
Nominal K-Factor5.6 (U. S. )/80 (metric)
Max. Working Pressure175 psig/1.2 MPa (12 bar)
Factory Hydrostatic Test100% @ 500psig  (3.4 MPa)
Min. Operating Pressure7 psig/0.048 MPa (0.48 bar)
Sprinkler Finish [Optional]Natural Brass or Chrome Plated or White Color Coated
Escutcheon FinishChrome Plated or Color Coated In Any Color
Listings and ApprovalsUL(United States)/ULC(Canada)
AVAILABLE TEMPERATURE RATING
Temp. ClassificationOrdinaryOrdinaryIntermediateIntermediate
Nominal Temp. Rating135° F/57° C155° F/68° C175° F/79° C200° F/93° C
Max. Ambient Temp. Allowed 5115° F/46° C135° F/57° C155° F/68° C180° F/82° C
Max. Recommended Ambient Temp. 6100° F/38° C100° F/38° C150° F/65° C150° F/65° C
Glass Bulb Color 7OrangeRedYellowGreen
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