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Connection
version

The connection is available in various designs
View A
M1 connections
Connection version

It is made as a homogeneous upsetting of the material.

M6 M8
A

It is made as a pressed threaded sleeve welded on the outside of the clamp.

M8 M10 M10/M12 M12/M16
B

It is made as pressed threaded sleeve welded on the inside of the clamp.

M10/M12 M12/M16
C

It is made as a special hexagonal nut pressure welded on the inside of the clamp.

M8 M10
D

It is made as a homogeneous upsetting of the material.

M8/M10
E
Side attachment

Clamps ordering legend

Clamp
Index
Catalogue number
Description
Without pin
BK
_ _ _ _ _ _ _ 0 _

To order such a version, add the index BK at the end of the designation to the order, while in the part number, enter 0 as the penultimate digit of the code.

Complete, with pin, not screwed
KPL
_ _ _ _ _ _ _ 1 _

To order such a version, add the index KPL at the end of the designation to the order, while in the part number, enter 1 as the penultimate digit of the code.

Complete, with pin, screwed
SKR
_ _ _ _ _ _ _ _ 2 _

To order such a version, add the index SKR at the end of the designation to the order, while in the part number, enter 2 as the penultimate digit of the code.

Installation
instructions:

Data
sheet

Pipe clamps with lining

Thermal insulation clamps L4

  • Corrosion protection: galvanic zinc coating
  • Connecting bolts: hexagonal head with cross-groove (L4-10 to L4-28), cross-groove (L4-30 to L4-89) or hexagonal head (L4-101 to L4-273)
  • Cladding: load-bearing elements made of PET with a density of 100 kg/m3, embedded in rubber foam, outer load-bearing layers made of painted aluminum sheet 0.8 mm thick, galvanized steel clamp on the outside with a mounting nut
  • Application: stable fastening and thermal insulation of pipes in refrigeration systems, minimises heat loss and protects against vibration and corrosion.
  • Installation<br>instructions:
Diameter range D [mm]
Insulation thickness G [mm]
Insulation length [mm]
Dimensions L [mm]
Dimensions A [mm]
Dimensions g [mm]
Connection Size M1
Connection h [mm]
Connection version
Connecting bolts M2
Permissible load [kN]
Unit weight [kg]
Order designation
Catalog number
Approvals EN-ITB-KOT-2020_1561 wydanie 1 > Declarations EN-KDWU 04_2020
33-35
22
65
130
26
2,5
M10/12
17,5
B
M6
2.4
0.2338
L4-33/35
80240003300
38-38
22
65
134,5
26
2,5
M10/12
17,5
B
M6
2.4
0.2402
L4-38
80240003800
42-45
22
65
134,5
26
2,5
M10/12
17,5
B
M6
2.4
0.3012
L4-42
80240004200
48-49
22
65
151
26
2,5
M10/12
17,5
B
M6
2.4
0.2696
L4-48
80240004800
54-57
22
65
155
26
2,5
M10/12
17,5
B
M6
2.4
0.286
L4-54
80240005400
60-61
23
75
168
26
2,5
M10/12
17,5
B
M6
2.4
0.3332
L4-60
80240006000
63-64
23
75
166,2
26
2,5
M10/12
17,5
B
M6
2.4
0.3216
L4-63/64
80240006300
70-70
23
75
166
26
2,5
M10/12
17,5
B
M6
2.4
0.3349
L4-70
80240007000
76-77
23
85
170
26
2,5
M10/12
17,5
B
M6
2.4
0.3692
L4-76
80240007600
88-90
24
100
197
26
2,5
M10/12
17,5
B
M6
2.4
0.4319
L4-89
80240008900
108-108
24
100
236
35
3
M10/12
25
C
M8
3.9
0.7769
L4-108
80240010800
114-115
24
115
236
35
3
M10/12
25
C
M8
3.9
0.8136
L4-114
80240011400
125-125
24
115
235
35
3
M10/12
25
C
M8
3.9
0.8123
L4-125
80240012500
133-133
25
115
261
35
3
M10/12
25
C
M8
3.9
0.9386
L4-133
80240013300
139-140
25
115
252
35
3
M10/12
25
C
M8
3.9
0.9236
L4-139
80240013900
159-160
25
115
286
35
3
M10/12
25
C
M8
3.9
0.9574
L4-159/160
80240016000
165-169
25
125
305
35
3
M12/16
25
C
M8
3.9
1.09
L4-168
80240016800
200-200
27
170
334
35
3
M12/16
25
C
M8
3.9
1.405
L4-204
80240020400
216-220
25
165
376
35
4
M12/16
26
C
M12
4.5
1.7964
L4-219
80240021900
273-273
25
165
428
35
4
M12/16
26
C
M12
4.5
2.13
L4-273
80240027300
Pipe clamps with lining > Thermal insulation clamps L4

Pipe clamps with lining / Thermal insulation clamps L4

Product properties

  • Corrosion protection: galvanic zinc coating
  • Connecting bolts: hexagonal head with cross-groove (L4-10 to L4-28), cross-groove (L4-30 to L4-89) or hexagonal head (L4-101 to L4-273)
  • Cladding: load-bearing elements made of PET with a density of 100 kg/m3, embedded in rubber foam, outer load-bearing layers made of painted aluminum sheet 0.8 mm thick, galvanized steel clamp on the outside with a mounting nut
  • Application: stable fastening and thermal insulation of pipes in refrigeration systems, minimises heat loss and protects against vibration and corrosion.

Examples of product application

Anti-corrosion coating/material:

Types of coatings/materials:

Anti-corrosion coatings used in the production of our products are the highest quality protection against corrosion of surfaces and installation components that work in environments that require increased resistance to chemical environment, UV and water, ensuring high performance quality parameters.

Galvanized

This is the most common way to protect the surface of metal. Metal components protected with galvanized zinc plating are designed for indoor installation.

Stainless steel

The exceptional corrosion resistance of stainless steel is due to the passivation process of the material. The oxide layer produced, despite its very small thickness, provides resistance to the penetration of corrosive agents and determines the resistance to corrosive environments.

Ultra Cover XP coating

Our latest development is Ultra Cover XP, an ultra-thin anti-corrosion coating that protects products, leaving behind previous galvanizing and hot-dip galvanizing technologies. Ultra Cover XP is a group of advanced lamellar, zinc-nickel and thick-coat passivation coatings, making it very high resistance to external influences.

Main advantages and benefits
  • • superb corrosion resistance
  • • high resistance to temperature and chemical agents
  • •resistance to many mild chemicals and solvents, including gasoline and brake fluid
  • • no occurrence of hydrogen embrittlement in the material
  • •ability to cover complex shapes, recesses and holes
  • • ability to cover complex shapes, recesses and holes
  • • the small thickness of the Ultra Cover XP coating has greater corrosion resistance than the large thicknesses of traditional coatings

The Ultra Cover XP coating consists of several layers. Initially, the product is coated with a base layer that reacts with the surface of the steel, forming, after appropriate processing, a kind of tightly adherent shell. The base is then coated with sealant, which gives the whole the required durability. Ultra Cover XP makes the product more repeatable, durable and weatherproof.

Ultra Cover XP coating is eco!
<p>Ultra Cover XP contains no harmful chromates, is safe for the environment and energy-efficient and low-impact to produce. The coating process offers less energy use and low water consumption than other similar processes.</p>

Hot-dip galvanizing

The thickness of zinc coating is from 45 to 150 microns. Hot-dip galvanization is an exceptional protection against corrosion and im- pact of atmospheric conditions. Hot-dip galvanized products are intended for application, most of all, outside, where they are in contact with atmospheric conditions.

Galvanized
Stainless steel
Ultra Cover XP coating
Hot-dip galvanizing
Select options:
Clear options

Diameter range D [mm]

12
15-18
21-22
26-28
33-35
38-38
42-45
48-49
54-57
60-61
63-64
70-70
76-77
88-90
108-108
114-115
125-125
133-133
139-140
159-160
165-169
200-200
216-220
273-273
More

Permissible load [kN]

2
2.4
3.9
4.5
Diameter range D... Insulation thick... Insulation lengt... Dimensions L [mm] Dimensions A [mm] Dimensions g [mm] Connection Size M1 Connection h [mm] Connection version Connecting bolts M2 Permissible load... Unit weight [kg] Order designation Catalog number Add all to list Remove all products from the list
12 18 55 93 20 1.25 M8/10 17 D M6 2 0.16 L4-12 80240001200 Add to list Remove this product from the list of products
15-18 18 55 93 20 1.25 M8/10 17 D M6 2 0.18 L4-15/18 80240001500 Add to list Remove this product from the list of products
21-22 19 55 103 20 1.25 M8/10 17 D M6 2 0.2 L4-21/22 80240002100 Add to list Remove this product from the list of products
26-28 20 55 116 20 1.5 M8/10 17 D M6 2 0.24 L4-26/28 80240002600 Add to list Remove this product from the list of products
33-35 22 65 130 26 2,5 M10/12 17,5 B M6 2.4 0.2338 L4-33/35 80240003300 Add to list Remove this product from the list of products
38-38 22 65 134,5 26 2,5 M10/12 17,5 B M6 2.4 0.2402 L4-38 80240003800 Add to list Remove this product from the list of products
42-45 22 65 134,5 26 2,5 M10/12 17,5 B M6 2.4 0.3012 L4-42 80240004200 Add to list Remove this product from the list of products
48-49 22 65 151 26 2,5 M10/12 17,5 B M6 2.4 0.2696 L4-48 80240004800 Add to list Remove this product from the list of products
54-57 22 65 155 26 2,5 M10/12 17,5 B M6 2.4 0.286 L4-54 80240005400 Add to list Remove this product from the list of products
60-61 23 75 168 26 2,5 M10/12 17,5 B M6 2.4 0.3332 L4-60 80240006000 Add to list Remove this product from the list of products
63-64 23 75 166,2 26 2,5 M10/12 17,5 B M6 2.4 0.3216 L4-63/64 80240006300 Add to list Remove this product from the list of products
70-70 23 75 166 26 2,5 M10/12 17,5 B M6 2.4 0.3349 L4-70 80240007000 Add to list Remove this product from the list of products
76-77 23 85 170 26 2,5 M10/12 17,5 B M6 2.4 0.3692 L4-76 80240007600 Add to list Remove this product from the list of products
88-90 24 100 197 26 2,5 M10/12 17,5 B M6 2.4 0.4319 L4-89 80240008900 Add to list Remove this product from the list of products
108-108 24 100 236 35 3 M10/12 25 C M8 3.9 0.7769 L4-108 80240010800 Add to list Remove this product from the list of products
114-115 24 115 236 35 3 M10/12 25 C M8 3.9 0.8136 L4-114 80240011400 Add to list Remove this product from the list of products
125-125 24 115 235 35 3 M10/12 25 C M8 3.9 0.8123 L4-125 80240012500 Add to list Remove this product from the list of products
133-133 25 115 261 35 3 M10/12 25 C M8 3.9 0.9386 L4-133 80240013300 Add to list Remove this product from the list of products
139-140 25 115 252 35 3 M10/12 25 C M8 3.9 0.9236 L4-139 80240013900 Add to list Remove this product from the list of products
159-160 25 115 286 35 3 M10/12 25 C M8 3.9 0.9574 L4-159/160 80240016000 Add to list Remove this product from the list of products
165-169 25 125 305 35 3 M12/16 25 C M8 3.9 1.09 L4-168 80240016800 Add to list Remove this product from the list of products
200-200 27 170 334 35 3 M12/16 25 C M8 3.9 1.405 L4-204 80240020400 Add to list Remove this product from the list of products
216-220 25 165 376 35 4 M12/16 26 C M12 4.5 1.7964 L4-219 80240021900 Add to list Remove this product from the list of products
273-273 25 165 428 35 4 M12/16 26 C M12 4.5 2.13 L4-273 80240027300 Add to list Remove this product from the list of products

*Check the availability **Valid while stock lasts. Send inquiries to e-mail: biuro@niczuk.pl

Download files for listed products

Data
sheet
DWG files
Instructions
Declarations
Approvals
Product catalog
3D models

Products compatible with the system

Reference drawing:

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