Description
Bladder air/water pressure cylinders
The Bladder air/water cylinders are used to deliver pressurized water up to 1000 kPa to triaxial cells by the pressure distribution panels. The main advantages from using this apparatus are:
- High degree of accuracy
- Extremely simple to operate
- Future expansion of system very easy and relatively low cost
- Bladder enables the use of de-aired water
- Large reservoir to cope with long term tests and large samples
The cell, made from transparent acrylic tube, flanged between two light alloy discs, incorporate a rubber membrane and can operate continuously at a pressures up to 1000 kPa. The unit acts as a reservoir/interface between compressed air, used as a pressure source and water used as the pressurizing medium in the triaxial cell. The Bladder air/water cylinders have to be completed with the 28-WF4330 or 28-WF4331 two or three lines distribution panel depending on the application.
Dimensions: 178 mm dia. x 410 mm high
Weight approx.: 5.8 kg
Pressure distribution panels
Two models available: 28-WF4330 for two pressure lines and 28-WF4331 for three pressure lines. They include precision air regulators, pressure outlets and quick release fittings.
They have to be completed with a digital gauge (see accessories, model 28-WF4330/2).
Dimensions/weight approx:
510x454x184 mm (28-WF4330)/10 kg
690x454x184 mm (28-WF4331)/15 kg
Accessories
Bladder air/water pressure cylinders
28-WF4191
Nylon tubing 8×6 mm dia. 10 m coil
28-WF0490
Nylon tubing 6×4 mm dia. 20 m coil
86-D2015
Laboratory air compressor, 10 bar max. pressure, 50 l cap. 230 V, 50 Hz, 1 ph
28-WF2016/2
Air filter/water trap for air compressors
28-WF4320/1
Spare rubber membrane for 28-WF4320 Bladder
Pressure distribution panels
28-WF4330/2
Digital pressure gauge, range 0-2000kPa x 1kPa division
28-WF4330/3
Spare air pressure regulator, 150 p.s.i., 1000 kPa, with fittings for 8 mm dia. OD tube.
Note: Digital gauge can be supplied, on request, with traceable calibration certificate. The models are identified adding the suffix Cat the end of the code number. Ex. 28-WF4330/2C
