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Bishop Pore Pressure Apparatus

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Bishop Pore Pressure Apparatus Specification

Power Supply
Not required for main cell (manual), indicator may require mains supply

Accuracy
1% FSD

Port Size
3/8 BSP

Application
Determination of pore water pressure during triaxial/shear tests

Gas Pressure
Suitable for up to 10 bar (with safety limits)

Operating Voltage
Not applicable (manual device)

Features
Anti-corrosive construction, chemical resistance, easy maintenance

Temperature
Up to 50C (ambient to moderate)

Specimen Size
Usually 38 mm diameter x 76 mm height

Frequency
Not applicable (manual operation)

Display Type
Graduated burette with glass tube, manual reading

Response Time
<1 second (dependent on setup)

Humidity
Ambient conditions (not humidity controlled)

Automation Grade
Manual

Interface Type
Push-fit and screw couplings

Resolution
1 kPa or 0.1 ml (burette reading)

Number of Specimens
Single Specimen

Mounting Type
Tabletop, bench-mounted

Hardness
High-density acrylic/polycarbonate chamber, glass burette

Max Height
Approx. 470 mm (assembled apparatus)

Test Range
0 - 1000 kPa pore water pressure (standard)

Measuring Range
0 1000 kPa (optionally up to 2000 kPa)

Equipment Type
Pore Pressure Measurement Apparatus (Bishop Type)

Usage
Geotechnical laboratory, civil engineering soil testing

Capacity
15 ml or 250 ml burette available

Machine Weight
Approx. 17 kg

Test Speed
Manual Operation

Test Width
Standard size up to 100 mm

Test Stroke
Up to 35 mm piston travel

Control Mode
Manual with precision valves

Bishop Pore Pressure Apparatus Trade Information

Minimum Order Quantity
1 , , Piece

FOB Port
Ahmedabad

Payment Terms
Letter of Credit (L/C), Telegraphic Transfer (T/T), Cash Against Delivery (CAD), Cash in Advance (CID), Cheque, Cash Advance (CA)

Supply Ability
150 Pieces Per Year

Delivery Time
4 Week

Sample Policy
Contact us for information regarding our sample policy

Packaging Details
Wooden packing with strong base

Main Export Market(s)
Australia, South America, Middle East, Africa, Asia

Main Domestic Market
All India

Certifications
ISO 9001 : 2015

About Bishop Pore Pressure Apparatus

Bishop Pore Pressure Apparatus

Consists of panel for wall mounting fitted with a 20cm dia pressure gauge with measuring range 1.0 to 10Kg/cmx 0.1Kg/cm² and Manometer and Burette as follows

MANOMETER: Glass U-tube manometer for measuring low positive pore pressures negative pore pressures and checking zero error of pressure gauge. It is provided with a mercury trap (Mercury supplied at extra cost ) Null indicator made out of clear transparent Perspex with mercury trap and cursor to indicate the mercury level.

BURETTE: 50 ml Burette for measuring the volume change in the soil specimen. Pressure pump fitted with four sleeve packed valve, Operated by means of a hand wheel on the end of the piston rod which is threaded thru the pump cap and gives a smooth, fine adjustment of pressure copper coil and water reservoir. The unit is tested against leaks up to10Kg/cm²

Advanced Design and Reliable Materials

This pore pressure apparatus utilizes a stainless steel body, corrosion-resistant brass fittings, and tough acrylic parts to deliver durability and longevity in demanding laboratory environments. Reinforced PVC tubing and nitrile rubber seals guarantee structural soundness, while an oil/water glass burette ensures precise measurement and easy manual reading. The devices powder-coated or polished finish provides an appealing and protective surface that resists chemical and physical wear.

Precision Measurement and Safety

Engineered for accurate pore water pressure determination, the apparatus offers measurement ranges from 0 to 1000 kPa, with fast response and 1% FSD accuracy. It features a high-quality bourdon gauge (or optional digital display) and fine-control air valve to enhance control during tests. A built-in pressure release valve ensures operator safety, and compliance with leading geotechnical standards confirms its scientific credibility.

User-Friendly Operation and Maintenance

Manual control with precision valves and easily disassemblable construction enables straightforward operation and maintenance. The innovative design means cleaning is quick and simple, reducing downtime between tests. With no requirement for external power (except digital indicators), the apparatus is ideal for a wide variety of laboratory settings and field applications where reliability is essential.

FAQs of Bishop Pore Pressure Apparatus:

Q: How is the Bishop Pore Pressure Apparatus used in soil testing?

A: The apparatus is deployed in geotechnical laboratories to measure pore water pressure in soil specimens during triaxial and shear tests. Manual controls allow for precise regulation of test conditions, and readings are taken either from the burette or the pressure gauge to assess soil behavior under various loads.

Q: What materials are used in the construction of this equipment?

A: The main body is made of stainless steel for corrosion resistance, with additional brass fittings, acrylic components, and high-density glass for the burette. Nitrile rubber O-rings and PVC hoses ensure effective sealing and flexible connections, making the device robust and suitable for laboratory conditions.

Q: When should the pressure release valve be utilized?

A: The pressure release valve should be engaged whenever you need to rapidly decrease internal pressure, such as at the conclusion of a test or during emergency situations, to maintain operator safety and protect specimen integrity.

Q: Where can this apparatus be mounted and operated?

A: Designed for use in geotechnical and civil engineering laboratories, it is tabletop or bench-mounted, fitting within any standard laboratory environment for soil testing and research projects.

Q: What is the process for cleaning and maintaining the apparatus?

A: The device is designed for easy disassembly, allowing users to access and clean internal components thoroughly. After dismantling, users should rinse the burette and chamber with suitable solvents, check the integrity of O-rings and gaskets, and reassemble as per instructions to ensure accuracy and longevity.

Q: What benefits does manual operation offer for this apparatus?

A: Manual operation allows users fine control over the test parameters, ensuring precision during sensitive measurements. It eliminates dependency on electrical supply (except for optional digital indicators), thus suitable for field and lab use wherever stable manual control is preferred.

Q: Which standards does the Bishop Pore Pressure Apparatus comply with?

A: The equipment adheres to IS: 2720, BS 1377, and ASTM D4767 standards, ensuring its suitability and acceptance for professional geotechnical and civil engineering soil testing worldwide.

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