| Customization: | Available |
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| Material: | Stainless Steel |
| Type: | Bypass Type |
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The Airfoil Bypass Fume Hood features an internal bypass opening located above the sash allowing for a constant exhaust volume while maintaining the face velocity. In operation, the bypass works automatically, in conjunction with the hood sash. The bypass adjustment is made as the sash is opened and closed creating a relatively constant face velocity regardless of sash position.
The Bypass Fume Hood comes equipped with a full view sash providing an unobstructed view of the Hood interior work area. The sash, a glazed 7/32"" thick laminated safety glass is provided with a full width flush pull. A counterweight provides for one finger operation of the sash at any position.The entrance of the Hood is framed with inward-angled members. This angled frame works to minimize turbulence and provide smooth movement of air into the Hood, resulting in a more efficient operation of the Fume Hood at face velocities ranging from 60 to 150 FPM. A lower airfoil sash stop maintains a 1"" space (below closed sash) that allows air to flow continuously across the work surface inside the Hood. Double wall construction of the Hood superstructure allows for easy installation of service fixtures and routing of interior plumbing and electrical lines. The interior of the Airfoil Bypass Fume Hood is white "Resin-Chem." Removable access panels on both interior sides of the Hood are standard features. The exterior superstructure side panels are also removable for easy access to service fixtures and supply lines.| Model Specification | WJ-1500A | WJ-1500B | WJ-1800A | WJ-1800B |
| External dimensions of equipment(mm) | 1500(W)*1205 (D) *2400 (H) | 1800(W)*1205 (D) *2400 (H) | ||
| Dimension of works pace (mm) | 1260(W1)*780(D1) *1100 (H1) | 1560(W1)*780(D1) *1100 (H1) | ||
| Panel material | 20+6mm thick butterfly ceramics | |||
| Material of internal lining board | 5mm thick ceramic fiber board | |||
| Diversion structure | Lower air return | |||
| Control system | Button control panel (LCD panel) | |||
| PH value control | The medium is alkaline water solution; manual monitoring, and manual control through acid pump and alkali pump. | |||
| Input power | Three-phase five-wire 380V/50A | |||
| Current for air fan | Not over 2.8A(380V or 220V can be directly connected) | |||
| Maximum load of socket | 12 KW(total of 4 sockets) | |||
| Water tap | 1 set (remote control valve + water nozzle) | No | 1 set (remote control valve + water nozzle) | No |
| Water discharge way | Magnetic chemical pump strong discharge | |||
| Using environment | For non-explosion indoor use, within 0-40 degrees Celsius. | |||
| Applicable fields | Inorganic chemistry experiment; Food, medicine, electronics, environment, metallurgy, mining, etc. | |||
| Ways of Purification | Spray sodium hydroxide solution, no less than 8 cubic meters/hour | Spray sodium hydroxide solution.no less than 12 cubic meters/ hour | ||
| Ways of surface air speed control | Manual control (through the electric air valve to adjust the exhaust air volume or adjust the height of the moving door) | |||
| Average surface air speed | 0.6-0.8 m/s Exhaust air volume: 1420-1890m3/h (when door height h =500mm) | 0.6-0.8 m/s Exhaust air volume: 1760-2340m3/h (when door height h =500mm) | ||
| Speed deviation of surface air | Not higher than 10% | |||
| The average intensity of illumination | Not less than 700 Lux; Standard white and uv-free yellow LED lamps; The illumination is adjustable. | |||
| Noise | Within 55 decibels | |||
| Flow display | White smoke can pass through the exhaust outlet, no overflow. | |||
| Safety inspection | No spikes, edges; Charged body and the exposed metal resistance is greater than 2 mQ; Under 1500V voltage, no breakdown or flashover occurred for 1min test. | |||
| Resistance of exhaust cabinet | Less than 160 pa | |||
| Power consumption | Less than 1.0kw/h (excluding power consumption of fans and external instruments) | Less than 1.2kw/h (excluding power consumption of fans and external instruments) | ||
| Water consumption | Less than 3.2L/ h | Less than 4.0L/ h | ||
| Performance of wind compensation | With a unique wind compensation structure, the volume of the wind will not cause turbulence in exhaust cabinet and will not directly blow to the staff (need to connect to the air compensation system of the laboratory) | |||
| Air volume regulating valve | 315mm diameter flanged type anti-corrosion electric air flow regulating valve (electric contact actuator) | |||
The interior of the Add Air Fume Hood is brightly lit by a maximum width dual fluorescent tube light fixture. The fixture is mounted behind a sealed safety glass panel to isolate the fixture from corrosive fumes and flammable vapors. Replacement of fluorescent tubes is accomplished from the exterior top front of the Fume Hood superstructure.
Choose from the variety of optional service fixtures available. Service fixture and electrical outlet types and locations are to be specified by the customer to fit each particular application. Mounting holes are provided in the superstructure for final on-site installation of optional equipment.
Fume Hood Superstructures are available in widths from 48"" to 96"". Service and electrical fixtures shown are optional and must be ordered separately.
1. Fume hoods should be located away from activities or facilities, which produce air currents or turbulence. Locate away from high traffic areas, air supply diffusers, doors, and operable windows.
Air turbulence affects the capability of hoods to exhaust contaminated air. Eddies are created by people passing by and by other sources of air currents.
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