Fire extinguishing system fire fighting water cannon water monitor

Test Items

Standard

Test results

Appearance

Casting surface should be smooth, no cracks, porosity, shrinkage, trachoma and other effects of intensity and performance defect. Welds shall be smooth, no welding, burn, scar tumour and other damage strength and appearance quality defects. Fire monitor the outer surface of the paint layer shall be smooth, uniform, no bubbles, obvious scar, crack, affecting the appearance quality defects.

Qualified

manoeuvrability

Fire fighting monitor pitching rotation mechanism, horizontal swing mechanism, the control handle ( wheel ) should be flexible operation, safe and reliable transmission mechanism. Fire fighting gun pitching rotation mechanism with self-locking function or a locking device. Portable fire fighting monitor in the whole level rotation angle range minimum elevation angle injection should be stable and reliable, with no sliding and overturning phenomenon.

Qualified

decayresistance

Fire fighting monitor should be adopt corrosion-resistant materials or the materials by the anti-corrosion treatment, so to meet the corresponding use of the environment and medium anti-corrosion.

Qualified

Specifications

jet pressure  (MPa)

≤1.0

0.80

flow rate      (L/s)

40×(1±8%)

39.8

visible distance        (m)

≥60

60.0

Minimum angle of elevation range

(°)

+30~+70

+30~+70

Level rotation angle

 (°)

≥90

90

The maximum spray angle

 (°)

≥90

100

Hydraulic sealing performance

Fire fighting monitor pressure element (except  foam gun barrel  ) according to the provisions of the water seal test 7.4, each connecting position should be no leakage phenomenon.

Qualified

Hydrostatic strength

Fire fighting monitor pressure element ( except the foam gun barrel) according to the provisions of the water pressure test for strength7.5, the gun body with no sweat, crack and permanent deformation and other defects. Seal test, each connecting position should be no leakage phenomenon.

Qualified