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Specification
Brand : TUNA
BulletPoint1 :
BulletPoint2 :
BulletPoint3 : ✅ Certified Safety – FM Approved (3053441) and UL / CUL Listed (EX6430) for compliance and peace of mind
BulletPoint4 :
BulletPoint5 :
Color : Chrome
IncludedComponents : Sprinkler Head
ItemName : Fire Sprinkler Head Horizontal Sidewall Spray - FM Approved & UL Listed 1/2" NPT 155℉(68℃) K=5.6 (K80/metric) Standard Response for Automatic Fire Sprinkler System (6, Chrome)
ItemPackageDimensions_Height : 2 inches
ItemPackageDimensions_Length : 6 inches
ItemPackageDimensions_Width : 6 inches
ItemTypeKeyword : automatic-lawn-sprinkler-heads
Manufacturer : TUNA
ModelName : Horizontal Sidewall
ModelNumber : 155F-NX021
NumberOfItems : 6
ProductDescription : p>Product Description:

This automatic horizontal sidewall fire sprinkler head is designed for effective fire protection in residential, commercial, and light industrial environments.

With a 1/2" NPT American thread, a 5.6 K-Factor, and a standard response glass bulb, it ensures reliable activation and water distribution when it matters most.

Technical Specifications:

Installation Orientation Classification：Horizontal Sidewall

Temperature Rating: 155℉(68℃)

Maximum Operating Temperature: 100℉(38℃)

Thermal Response Classification：Standard response

Discharge Coefficient: K=5.6(U.S) /80(Metric)

Nominal Orifice Size: NPT 1/2"(15mm)

Maximum Working Pressure:175psi(12bar)

Min. Operating Pressure: 7psi (0.48bar)

Factory Hydrostatic Test: 100%@ 500psi (34.5bar)

ProductSiteLaunchDate : 2025-04-12T06:54:34.733Z
SupplierDeclaredDgHzRegulation : not_applicable
SupplierDeclaredHasProductIdentifierExemption : 1
UnspscCode : 40141700