MARINE & OFFSHORE EQUIPMENT
- Dredging Equipment
- Marine Deck Machinery
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Marine Mooring Equipment
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Marine Anchor
- AC-14 HHP Anchor
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- Delta High Holding Power Anchor
- GB11579-89 Light Weight Anchor
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Marine Anchor Chain
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Marine Shackle
- Kenter Shackle
- D Type Joining Shackle
- Pear Shaped Shackle
- Anchor Swivel Shackle Type A
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- Buoy Shackle Type A
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- C Type Detachable Connecting Link
- D Shackle
- Forelock Shackle
- Anchor Chain Swivel Group
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- Marine Triangle Plate
- Anchor Chain Swivel
- Anchor Chain Joining Shackle
- Anchor Chain End Shackle
- Slim Kenter Shackle
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Chain Chaser
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Marine Bollard
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Marine Chock
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Marine Fairlead
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Marine Chain Stopper
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Marine Mooring Reel
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Marine Towing Bracket
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Mooring Rope
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Marine Towing Hook
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Marine Shark Jaw
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Marine Buoy
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Marine Anchor
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Marine Painting
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Marine Auxiliary Machinery
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Marine Diesel Generator Set
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Marine Oil Separator
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Marine Hot Well Unit
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Marine Incinerator
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Marine Boiler
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Marine Valve
- JIS Marine Valve
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Marine Gate Valve
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Marine Globe Valve
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Marine Angle Globe Valve
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Marine SDNR Valve
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Marine Angle SDNR Valve
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Marine Check Valve
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Marine Storm Valve
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Marine Butterfly Valve
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Marine Quick Closing Valve
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Marine Fire Valve
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Marine Self Closing Valve
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Marine Pump
- Marine Centrifugal Pump
- Marine Screw Pump
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Marine Gear Pump
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Marine Vortex Pump
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Marine Ejector Pump
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Marine Diaphragm Pump
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Marine Piston Pump
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Marine Fire Pump
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Marine Emergency Fire Pump
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Marine External Fire Pump
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Marine Ballast Water Pump
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Marine Fuel Pump
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Marine Lubricating Oil Pump
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Marine Bilge Pump
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Marine Sewage Pump
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Marine Domestic Water Pump
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Marine General Pump
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Marine Cargo Oil Pump
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Marine Hand Pump
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Labour Protection Appliance
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Marine Anode
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INDUSTRY EQUIPMENT
- Hoisting Equipment
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Cutting Machine
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- Link Chain
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Diesel Generator Set
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Earthwork Teeth
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Turnbuckle
STOCK LIST
Contacts
Tel:+86-23-67956606
FAX:+86-23-67956622
Email:manager@cqhisea.com
Working Time: 9:00--17:00
Working Day: Monday to Friday Website: www.cqhisea.com
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 |
(2). Insulation materials: rock, wool, glass wool and rubber.
(3). The inner perforated plate can be selected to make silence duct.
4. Drawing
