Whitehouse Flexible Tubing

Galvanised Griplock Metallic Tubing
Galvanised Steel Griplock - Image 2
Galvanised Griplock Metallic Tubing
Galvanised Griplock Metallic Tubing
Griplock Flexible Metal Tubing Whitehouse Flexible Tubing
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Galvanised Steel Griplock

Galvanised Steel Griplock Flexible Metal Tubing

Galvanised Steel Griplock is a versatile stripwound flexible metal tube manufactured from a single metal strip, wrapped around a mandrel to create a fully interlocked section.

Combining excellent flexibility, high mechanical strength and great flow characteristics, Griplock is suitable for ducting and extraction, exhausts, material handling and protective casing applications.

Maximum Operating Temperature: +500°C.
Available Internal Diameters: 6mm to 508mm.
Flexibility Options: Loose / Floppy, Medium Flexibility (Mid Flex) and Stiff / Stayput depending on tube size.
Non-Standard Sizes & Lengths: Available on request.

Order non-standard lengths here

*Please note the diameters listed below are all inside diameters. Please check this before ordering.

We can manufacture to intermediary sizes where required. If your size is not listed, please contact us.

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Product Details

Galvanised Steel Griplock Tubing – Product Details

Galvanised Steel Griplock is manufactured from a single metal strip that is wrapped around a mandrel to form a fully interlocked flexible metal tube.

The Griplock construction combines excellent flexibility with high mechanical strength and great flow characteristics, creating a highly versatile hose for a wide range of industrial applications.

Key Features

  • Single metal strip construction
  • Fully interlocked Griplock section
  • Excellent flexibility
  • High mechanical strength
  • Great flow characteristics
  • High tensile strength
  • Strong resistance to crushing
  • Maximum operating temperature of +500°C
  • Available in internal diameters from 6mm to 508mm
  • Intermediary sizes can be manufactured where required
  • Non-standard lengths available
  • Different flexibility options available depending on tube size

All listed diameters refer to the inside diameter (ID).

Technical Data

I/D

I/D

O/D

INSIDE BEND

WEIGHTS (KG) PER 100M

INCHES

MM

MM

RADIUS

 

1/4″

6

9

25

16

5/16″

8

11

30

18

3/8″

10

13

33

23

1/2″

12

16

45

30

5/8″

16

20

55

33

3/4″

20

24

59

34

7/8″

22

26

63

40

1″

25

29

78

49

1.1/8″

28

32

90

62

1.1/4″

32

36

96

75

1.3/8″

35

39

103

88

1.1/2″

38

42

110

101

1.5/8″

41

45

115

108

1.3/4″

45

49

123

118

1.7/8″

48

52

129

126

2″

51

56

135

135

2.1/8″

54

59

143

137

2.1/4″

57

62

150

139

2.3/8″

60

65

158

141

2.1/2″

63

68

165

142

2.3/4″

70

75

180

168

3″

76

82

195

225

3.1/8″

79

85

260

230

3.1/4″

83

89

269

245

3.3/8″

86

92

280

252

3.1/2″

89

95

290

261

3.5/8″

92

98

302

270

3.3/4″

95

101

312

285

3.7/8″

98

104

322

292

4″

102

108

328

310

4.1/4″

108

114

350

315

4.1/2″

114

120

369

325

4.3/4″

121

127

386

333

5″

127

133

403

340

5.1/2″

140

146

446

380

6″

152

158

485

419

7″

178

184

560

485

8″

203

209

640

550

9″

229

235

718

615

10″

254

260

797

680

11″

279

285

873

760

12″

305

311

950

840

13″

330

336

1030

898

14″

356

362

1112

955

15″

381

387

1188

1025

16″

406

412

1268

1090

17″

432

438

1348

1160

18″

457

463

1425

1225

19″

483

489

1504

1290

20″

508

514

1582

1360

Applications

Galvanised Steel Griplock Tubing Applications

Galvanised Steel Griplock tubing has high tensile strength and strong resistance to crushing. It is particularly well suited to applications requiring the absorption of vibration and thermal expansion, as well as noise attenuation.

Typical applications include:

  • Ducting – suitable for the ducting of air, smoke and fumes
  • Extraction – flexible tubing for smoke, fumes and other extraction requirements
  • Exhausts – suitable for flexible exhaust applications
  • Dry Bulk Handling – suitable for handling ash, dust, paper trim, grain and plastic pellets
  • Material Handling – flexible tubing for conveying and handling dry materials
  • Protective Casings – suitable as protective capillary casing for instrument cables and wires
  • Vibration Absorption – particularly suited to applications where vibration needs to be absorbed
  • Thermal Expansion – suitable where movement caused by thermal expansion needs to be accommodated
  • Noise Attenuation – suitable for applications requiring noise attenuation

Special Features

Galvanised Steel Griplock Special Features

Manufacturing Tolerances

All metallic Griplock tubing is manufactured to internal diameter (ID) sizes.

  • Up to and including 76mm ID: +0.5mm / -0.0mm
  • Over 76mm ID: +1.0mm / -0.0mm

Recommended Flow Direction

Recommended flow direction for Griplock flexible metal tubing

The design of the Griplock section provides a particularly smooth surface in one direction. Whitehouse recommends that the media passing through the tubing follows the specified flow direction of the hose.

Following the recommended flow direction helps to:

  • Protect the media passing through the tubing
  • Protect the tubing itself
  • Provide optimum flow characteristics
  • Help prevent damage to the media or tubing when handling abrasive materials such as plastic pellets

Griplock Flexibility Options

Griplock tubing is available in different levels of flexibility depending on the application and tube size.

Stiff / Stayput

By ‘squashing’ the tube during manufacture, a stiffer tube is produced with increased air-tightness and ‘stayput’ properties.

Medium Flexibility / Mid Flex

Mid Flex is the standard Griplock product and is the most popular option, making it ideal for most applications.

Loose / Floppy

By reducing the pressure on the tooling during manufacture, the tubing is produced with maximum flexibility, allowing it to move freely.

Loose / Floppy and Stiff / Stayput options are available up to 76mm ID. If neither is specifically required, the tubing is supplied as Medium Flexibility (Mid Flex) as standard.

All sizes over 76mm ID are supplied as Mid Flex.

Please state the required flexibility in the notes section when placing your order.

FAQs

Frequently Asked Questions About Galvanised Steel Griplock Tubing

What is Galvanised Steel Griplock Tubing?

Galvanised Steel Griplock is a flexible stripwound metal tube manufactured from a single metal strip wrapped around a mandrel to create a fully interlocked section.

What is Galvanised Steel Griplock used for?

Typical applications include ducting and extraction, exhausts, dry bulk and material handling, protective casing, vibration absorption, thermal expansion and noise attenuation.

What materials can Griplock be used to handle?

The stated dry bulk handling applications include ash, dust, paper trim, grain and plastic pellets.

What is the maximum operating temperature?

Galvanised Steel Griplock has a maximum operating temperature of +500°C.

What sizes of Galvanised Steel Griplock are available?

The standard technical data covers internal diameters from 6mm to 508mm. Whitehouse can also manufacture intermediary sizes where required.

Does Griplock have a recommended flow direction?

Yes. The Griplock section provides a particularly smooth surface in one direction. Following the recommended flow direction helps provide optimum flow characteristics and protect both the media and the tubing.

Is Griplock suitable for abrasive materials?

Griplock can be used with abrasive materials such as plastic pellets. Following the recommended flow direction helps prevent damage to both the media and the tubing.

What flexibility options are available?

Griplock is available as Loose / Floppy, Medium Flexibility (Mid Flex) or Stiff / Stayput up to 76mm ID. Mid Flex is supplied as standard where a specific flexibility is not requested.

What flexibility is supplied for sizes over 76mm ID?

All Galvanised Steel Griplock sizes over 76mm ID are supplied as Medium Flexibility (Mid Flex).

What is Stiff / Stayput Griplock?

Stiff / Stayput Griplock is produced by ‘squashing’ the tube during manufacture. This creates a stiffer tube with increased air-tightness and stayput properties.

What is Loose / Floppy Griplock?

Loose / Floppy Griplock is manufactured with reduced pressure on the tooling, producing maximum flexibility and allowing the tubing to move freely.

Can non-standard sizes and lengths be supplied?

Yes. Whitehouse can manufacture intermediary sizes where required, and non-standard lengths can also be ordered.

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