Acoustic

Key issues:

• Prevent condensation;
• Minimize heat gain and boil off rate;
• Energy saving;
• Protect personnel;
• Acoustic insulation.

Closed Cells Flexible Elastomeric Foam
First mechanical decoupling layer.
K-FLEX SOLAR HT

Open Cells Flexible Elastomeric Foam
Absorption and dissipation layer.
K-FLEX K-FONIK OPEN CELL

High Density Elastomeric Material
Mass barrier sound insulation layer.
K-FLEX K-FONIK GK/GV

Closed Cells Flexible Elastomeric Foam
Second mechanical decoupling layer.
K-FLEX ST
K-FLEX LS (USA Only)
K-FLEX SOLAR HT

Polymeric Outer Layer Jacketing
UV and weather protective jacketing with joints sealed with K-FLEX sealant.
K-FLEX IN CLAD Jacketing

K-FLEX acoustic insulation solutions are designed for noise reduction in industrial application e.g. piping, industrial processes etc.
A complete multilayer system based on both closed cells and open cells FEF materials provides acoustic insulation according to ISO 15665:2003 Class A, B, C; Shell DEP specification n°31 Class D; NORSOK STD R-004: Class 6, 7, 8; ASTM E1222.
Different materials with different proprieties feature different performance in the system. Each layer has been designed for a specific purpose.
Closed cells FEF layer (K-FLEX ST or K-FLEX HT) works as a mechanical decoupling.
Open cells FEF layer (K-FLEX K-FONIK OPEN CELL) provides sound absorption and dissipation.
High density material (K-FLEX K-FONIK GK/GV) works as mass barrier and sound insulator.
External jacketing layer (K-FLEX IN CLAD) provides mechanical and weather protection.
ISO 15665:2003 defines the acoustic performance of three classes (classes A, B and C) of pipe insulation. It is applicable to the acoustic insulation of cylindrical steel pipes and to their piping components. It is valid for pipes up to 1 m in diameter and a minimum wall thickness of 4,2 mm for diameters below 300 mm, and 6,3 mm for diameters from 300 mm and above.
ISO 15665:2003 covers both design and installation aspects of acoustic insulation and provides guidance to assist noise control engineers in determining the required class and extent of insulation needed for a particular application.

MINIMUM INSERTION LOSS REQUIRED FOR EACH CLASS, ISO 15665:2003
CLASS	Nominal Pipe Diameter D mm		Octave band centre frequency, Hz
	Nominal Pipe Diameter D mm		125	250	500	1000	2000	4000	8000
	lower limit	upper limit	Minimum insertion loss, dB
A1		< 300	-4	-4	2	9	16	22	29
A2	≥ 300	< 650	-4	-4	2	9	16	22	29
A3	≥ 650	< 1000	-4	2	7	13	19	24	30
B1		< 300	-9	-3	3	11	19	27	35
B2	≥ 300	< 650	-9	-3	6	15	24	33	42
B3	≥ 650	< 1000	-7	2	11	20	29	36	42
C1		< 300	-5	-1	11	23	34	38	42
C2	≥ 300	< 650	-7	4	14	24	34	38	42
C3	≥ 650	< 1000	1	9	17	26	34	38	42

K-FLEX ACOUSTICAL CONFIGURATIONS FOR ISO 15665 CLASSES

K-FLEX K-FONIK INDUSTRIAL “A2”


Test Result Class A2 nom. pipe-Ø: ≥ 300mm to < 650 mm	Weight:	Octave band centre frequency, Hz
		125	250	500	1000	2000	4000	8000
		Minimum insertion loss, dB
1 Layer K-FLEX SOLAR HT, 1 Layer K-FLEX IN CLAD	5Kg/m²	1,5	1	8	12,5	18,5	29,5	37,5

K-FLEX K-FONIK INDUSTRIAL “B2”


Test Result Class B2 nom. pipe-Ø: ≥ 300mm to < 650 mm	Weight:	Octave band centre frequency, Hz
		125	250	500	1000	2000	4000	8000
		Minimum insertion loss, dB
1 Layer K-FLEX SOLAR HT, 1 Layer K-FLEX K-FONIK 240, 1 Layer K-FLEX IN CLAD	12Kg/m²	-0,5	2,5	14,5	22,0	32,0	43,5	47,5

K-FLEX K-FONIK INDUSTRIAL “C2”


Test Result Class C2 nom. pipe-Ø: ≥ 300mm to < 650 mm	Weight:	Octave band centre frequency, Hz
		125	250	500	1000	2000	4000	8000
		Minimum insertion loss, dB
1 Layer K-FLEX SOLAR HT, 1 Layer K-FLEX K-FONIK 240, 2 Layers K-FLEX K-FONIK GK, 1 Layer K-FLEX IN CLAD	25Kg/m²	-1,5	4,5	17,5	30	45	51	51,5

K-FLEX K-FONIK INDUSTRIAL “C2”


Test Result Class C2 nom. pipe-Ø: ≥ 300mm to < 650 mm	Weight:	Octave band centre frequency, Hz
		125	250	500	1000	2000	4000	8000
		Minimum insertion loss, dB
1 Layer K-FLEX SOLAR HT, 1 Layer K-FLEX K-FONIK 240, 2 Layers K-FLEX K-FONIK GK, 1 Layer K-FLEX SOLAR HT, 1 Layer K-FLEX IN CLAD	27Kg/m²	-0,5	4,5	16	24	38,5	51,5	51,5

K-FLEX K-FONIK INDUSTRIAL “D2”


Test Result Class D2 nom. pipe-Ø: ≥ 300mm to < 650 mm	Weight:	Octave band centre frequency, Hz
		125	250	500	1000	2000	4000	8000
		Minimum insertion loss, dB
1 Layer K-FLEX SOLAR HT, 2 Layers K-FLEX K-FONIK 240, 1 Layer K-FLEX K-FONIK GK, 1 Layer K-FLEX ST, 1 Layer K-FLEX IN CLAD (2mm)	29Kg/m²	0	8,5	24,5	38,5	52	55	49
1 Layer K-FLEX SOLAR HT, 2 Layers K-FLEX K-FONIK 240, 1 Layer K-FLEX K-FONIK GK, 1 Layer K-FLEX ST, 1 Layer K-FLEX IN CLAD (1mm)	28Kg/m²	-1	6,5	20,5	37	52	55,5	49
1 Layer K-FLEX SOLAR HT, 2 Layers K-FLEX K-FONIK 240, 1 Layer K-FLEX K-FONIK GK, 1 Layer K-FLEX SOLAR HT, 1 Layer K-FLEX IN CLAD (2mm)	30Kg/m²	-1	8,5	20	36	51	56	50,5

Last modified onFriday, 16 January 2015 08:09