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RIG COOLING
 

Catalogue - Rig Cooling System.pdf 

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Rig Cooling Nozzles Model : T48 or T56
  • T48 Flow range 574 Lpm @ 7 Bar
  • T56 Flow range 777 Lpm @ 7 Bar
  • 3 Circumference Spray with 170 degrees Full Cone
  • Atomise Droplets range 650 microns to 2000 microns
  • Height Trajectory upwards to approx 4m to 5metre.
  • 1" or 1 1/2" (Male) NPT connection
  • Brass or CuNi for Sea Water Application.
  • One piece construction, Non Clog
 DOWNLOAD CAT - T_Series.pdf     
DECK and HULL COOLING in accordance to NFPA 15 page 11 to 15
NFPA chapter 15 page 11 to page 15  DESIGN and INSTALLATION clause 4-4.3.2 VESSELS delineates;

(a) These rules for exposure protection contemplate emergency relieving capacity for vessles, based upon a maximum allowable heat input of 6,000 BTU per hour per sg ft (18,930 W/sq m) of exposed surface area. The density shall be increased to limit the heat absorption to a safe level in the event required emergency relieving capacity is not provided.

(b) Water shall be applied to VERTICAL or INCLINED vessel surfaces at a Net Rate of Not less that 0.25 Gallon per minutes per sq ft (10.17 Liter per minute per sq meter) of exposed un-insulated surface

 

Quantity and type of spray nozzles calculation as per NFPA 15 pg 11-15
Density to be applied on vertical surface : 0.25 Gallon per minutes per sq ft (10.17 Liter per minute per sq meter)
 
Brief Case Example
     
Deck surface area = 24,085 sq ft (2237.54 sq meter)
System water flow discharge rate = 24,085 x 0.25  = 6,031 gallon per minute (22,797Liter/m)
 
Select Wilson Spiral  Full Cone Nozzle "T" series
            Model : 3/4T32-150
            Flow rate : 166 liter/min @ 3 bar
            Size : 3/4 inch male Npt
            Material : Brass
            Spray angle : 150 degrees Full Cone
 
Download Catalogue : T_Series.pdf
 
Therefore total number of nozzles required @ 3bar = 22,797 divide by 166 = 137 pieces .
Allow for thirty percent (30%) spray overlap, add additional nozzles as fit
 
Note : calculation delineated above is to ascertain the number of nozzles only, pressure loss in the pipe system need to be calculated separately.
FIRE PROTECTION   FM & UL (Underwriter Laboratory) 
CONTROL OF BURNING accordance to NFPA 15 page 11 to 15
NFPA chapter 15 page 11 to page 15  DESIGN and INSTALLATION clause 4-4.2.2 delineates;

Nozzles shall be installed to impinge on the areas of the source of fire, and where fire may travel or accumulate. The water application spray on the probable surface of the spill shall be at the rate of not less than 0.50 gpm per sq ft (20.4 Liter/min per sq meter)

HD SERIES     
  • Material - Brass with Bright Nickel Chrome, Al Bronze
  • Approvals - UL Listed
  • Open orifice design used in fire deluge system in offshore platforms, rigs, ships.
  • Size 1/2" BSPT or NPT (Male)
  • Full cone spray pattern
  • K-factor: metric -22, 30, 35, 41, 51, 64, 79, 91 & 102
  • K-factor: US -1.54, 2.10, 2.45, 2.87, 3.57, 4.48, 5.53, 6.37 & 7.14
  • Spray angle - 65°,80°,90°,100°,110°,120° & 140°
  • Each Nozzle body permanently marked with model number, batch number, spray angle, K-factor & UL
  • Download catalogue - MVA_MVAS_pdf
                                           A product of HD
WATER MIST FIRE SUPPRESSION NOZZLES  - 360 degrees FOG
INTERNATIONAL MARITIME ORGANIZATION MSC/Circ.1165 dtd 10 June 2005
 
REVISED GUIDELINES FOR THE APPROVAL OF EQUIVALENT WATER-BASED
FIRE-EXTINGUISHING SYSTEMS FOR MACHINERY SPACES
AND CARGO PUMP-ROOMS

Download Circ - MSC 1165 (2).pdf

Water Mist Nozzles
Download Cat - Water Mist Fire Protection.pdf
MULTI FOG RI-15 Head
discharges 1.26 liter/min @ 70bar of critical mass fine Fog with a 360 degrees coverage.
Critical Mass Fog slow descent deprives oxygen in fire prone area thus suppressing its expansion.
 
Model : MFRI-15
Size : 1 1/2 inch (F) NPT
Flow rate : 1.26 liter/min @ 70 bar
Spray angle : 360 degrees Fog
Material : 316 stainless steel
WINDOW CLEANING, DECK COOLING NOZZLES  -145 degrees FAN
Large Angle Deflection Principle – Type FW
 
FW flat jet nozzles work on the deflection principle trajecting a stream of water onto a machined deflecting surface, producing a wide angle flat spray pattern having low impact value and small droplets.
The thru hole orifice reduce clogging when dirty water is used.
 
Applications:- Fire Curtain, Ship side cooling, bulk head cooling, Oil Rig Hull Cooling, deck cooling, washing of vertical surfaces, washing fruits on a moving conveyor.
 
Connection: 1/8" to 1" BSP or NPT
Spray angles: 90° to 140°
Material: PVC, Polyproperlyne, 303 Stainless Steel, 316 Stainless Steel, Brass
 
DOWNLOAD CATALOGUE - FW_Series.pdf
WATER SCREEN NOZZLE 300 degrees Flat Fan
WILTEX 300 FLAT  
 
K factor of 23 and K-27
 
1/2 inch (M) NPT or BSPT
 
WILTEX 300 FLAT with a K factor of 23 and K-27 has an external deflector which discharges water in a 300 degrees flat circular shaped pattern of small droplet size.
Mounted horizontally to uniformly distributed water spray to form a water wall over the surface to be protected.
 
Application : Water droplet wall to prevent dust inflow, 
mitigation of fumes or inbound toxic gas or wall curtain
 
WILTEX 300 FLAT
 
Size : 1/2" (M) NPT or BSPT
Spray angle : 300 degrees Flat   Fan
 
Material : brass or stainless steel
 
Download Catalogue - Wiltex 300 Flat.pdf
WATER CURTAIN NOZZLE 150 degrees Flat Fan
WC Series Water Curtain Nozzle distributes water in a flat curtain with 150 degrees Fan spray.
 
Water Curtain Nozzle when mounted in pendent position acts as a window spray nozzle. The nozzles when mounted in horizontal position with flow towards ground, a flat water curtain is produced to segregate the area which is under fire.
Size : 1/2" or 3/4 inch Male NPT, BSP
Material :Brass, Stainless Steel
 
Download Catalogue - Water Curtain.pdf
 Water and Air to produce Large Critical Mass Flow and droplets 
Download Cat: SA 1.pdf 
The device where the liquid flow and the airflow come into contact with each other to produce a volumetric fine mist spray use for fire suppression. The two stream of liquid and air collide and exit the spray cap at high velocity spray discharge to effect fine atomisation. 
A spray set-up is configured for 90 degrees and 120 degrees.
FIRE DELUGE NOZZLE
D3 PROTECTOSPRAY
 
D3 - A product of Tyco(USA)
Type D3 Protectospray Directional are open orifice, Medium Velocity fire protection nozzles that are UL Listed, and FM approved.
 
 Spray angle
   Full Cone
  65°
  125° 
  80°
  140°
  95°
  160°
 110°
  180°
Standard Material : Bronze in its entirety ( Frame, Deflector, Splitter and Pin).     Size : 1/2 inch Male NPT
Max working pressure : 175 psi (12.1 bar)
Download Cat : Tyco Water Spray.pdf
FIRE DELUGE NOZZLE
MEDIUM VELOCITY ANGUS THERMOSPRAY
 A product of ANGUS (UK)
Angus Thermospray is designed primarily for use in engineered fire protection systems to provide exposure protection or to combat fuel fires with a flashpoint below 66ēC. Where fast flame knock down and security against burn back are important Angus Foam-Water nozzles should be considered..
  INERGEN  Nozzles
Inergen is an environmentally green three dimensional fire suppression agent replacing Halon 1301. It  is a blend of three naturally occurring gases--Nitrogen, Argon, and Carbon Dioxide.
 
The Inergen discharges through nozzles to ensure optimum distribution in the protected area effectively suppressing the fire.
 
Download Cat : Inergen_Brass.pdf