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HW/AK

HIGH IMPACT NOZZLES, STANDARD SIZE

The water path leading to the nozzle orifice has been completely redesigned to reduce energy losses caused by turbulence. All sharp cross-section changes have been eliminated, significantly increasing water velocity at the nozzle orifice. This design, with the flow stabilizer mounted, allows results of absolute relief.

FEATURES

Flow Rate

lpm@240bar: 7.80 min / 208 max
gpm@3600psi: 2.06 min / 54.9 max

Materials

Body: AISI 303 s.s.
Insert:AISI 420 s.s. hardened
Tungsten carbide

Thread Connection

Welding nipple and locknut

Applications

Performances

SPRAY ANGLE CODES
HWC
HWE
HWF
HWL
22° 26° 30° 40°

 

CODE
CAPACITY  (lpm) AT PRESSURE  (bar)
80
140
200
240
300
400
2045xxAK 4,5 5,9 7,2 7,8 8,7 10,0
2063xxAK 6,3 8,3 10,0 10,9 12,2 14,1
2106xxAK 10,6 14,2 16,8 18,4 20,5 23,7
2134xxAK 13,4 17,7 21,2 23,2 25,9 29,9
2162xxAK 16,2 21,4 25,6 28,0 31,4 36,2
2208xxAK 20,8 27,5 32,9 36,0 40,2 46,5
2250xxAK 25,0 33,0 39,5 43,3 48,4 55,9
2320xxAK 32,0 42,3 50,6 55,4 62,0 71,6
2402xxAK 40,2 53,2 63,6 69,6 77,8 89,9
2520xxAK 52,0 68,8 82,2 90,0 101 116
2642xxAK 64,2 84,9 102 111 124 144
2798xxAK 79,8 106 126 138 155 178
2996xxAK 99,6 132 157 173 193 223
3112xxAK 112 148 177 194 217 250
3120xxAK 120 159 190 208 232 268

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HW/AK drawing in 2D (PDF)
HW/AK drawing in 3D (STEP)
HW/AK datasheet (PDF)

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Abbreviations
CL Jet deflection angle deg DU Liquid outlet dia mm RF Female thread inch
D Conventional orifice dia mm FF Flange outer dia mm RG Male thread inch
D1 Smallest free inside dia mm G Flange center-hole dia mm SQ Square bar size mm
DE Liquid inlet dia mm H,H1 Height mm W Weight gr, kg
DF Flange size inch L,L1 Length mm WS Wrench size mm
DIA Outside diameter mm NR Number of orifices
DN Flange nominal size mm QC Quickfit connection
How to make up the product code

Accessories & fittings
ZWB WELDING NIPPLE

HW nozzles can be assembled on various nipples with the same inlet but different lengths.
The precision machined nipple inlet port assures precise nozzle flat fan jet positioning to
the specified offset angle value of 15° concerning the manifold centre line. This makes it
possible to obtain uniform impact distribution, yielding better descaling results.

 

XHW FLOW STABILIZER

The flow stabilizer is a critical component for proper descaling. By reducing flow turbulence
losses, a larger fraction of the water flow energy can generate an impact on the surface that
needs to be descaled. The design consists of a cylindrical brass body with a polished inner
surface, housing a cast stainless steel flow stabilizer which straightens the liquid path to
minimize turbulences. Different-length nipples are available, with or without an inlet filter.
The codes always include a multi fin flow straightener.

 

VAW LOCKNUTS

The VAW B 100 B1 and VAW D 100 B1 locknuts for ZWB series descaling nipples have been designed
to profit from a large amount of experience in the field. The sturdy design and the generous
dimensions give maximum protection to the nozzle and the nipple thread. One locknut size fits all
standard-size ZWB series nipples of any length.

 

 

VDA GASKET

The VDA 24C1 T3 round gasket provides proper assembly between the nozzle and nipple.
It is a one-size-fits-all standard-size ZWB nipple type.

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