Ventilation Pipe - Spiral Ducts and Fittings - Hi-sea

Ventilation Pipe

Ventilation Pipe

Ventilation Pipe

1. Application
The air duct is mainly used to connect the air circulation between two places and play the role of ventilation. The most widely used in the market is the spiral duct.
2. Type Identification Method
Duct Rd × L
For example: the duct with the 500mm diameter and the 6m lengths is identified as R500 × 6.
Pre-heat insulation duct: PRd × L
NOTE: (1). Normal: L=(max)400/each
(2). Insulation materials: mineral wool, rubber and plastic or glass fiber
(3). Thickness of insulation: δ=12.5mm δ=15mm or 25mm, unless otherwise stated, then δ=12.5mm.
3. Dimension Table

Pre-heat insulation spiral duct (PR)

Specifications

Internal dia. DN

Wgt. Kg/m

R80

80

3.34

R100

100

4.16

R125

125

5.081

R150

150

5.99

R160

160

6.35

R175

175

6.90

R200

200

7.82

R250

250

9.66

R300

300

11.27

R400

400

16.27

R500

500

25.67

R600

600

36.37

Note:(1). 12.5mm, 15mm or 25mm insulation thickness can be selected.
(2). Insulation materials: rock, wool, glass wool and rubber.
(3). The inner perforated plate can be selected to make silence duct.
4. Drawing



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