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J-Ring, Narrow Gap

Name: J-Ring, Narrow Gap
Brand: SUBITEK
Price: 16500.0 INR
Availability: InStock

Price 16500.0 INR/ Piece

Get a Price/Quote

MOQ : 1 Piece

J-Ring, Narrow Gap Specification

Application
Concrete workability & passing ability assessment

Accuracy
Depends on operator; conforms to IS standards

Mounting Type
Tabletop/portable

Measuring Range
Appropriate for fresh concrete flow

Automation Grade
Manual

Temperature
Ambient (laboratory conditions)

Features
Rugged steel rings, narrow gaps, corrosion-resistant

Resolution
As per graduated scale or manual measurement

Number of Specimens
1 per test

Response Time
Immediate/manual observation

Interface Type
Manual

Equipment Type
J-Ring Narrow Gap apparatus

Hardness
Highmetal construction

Test Range
Suitable for slump-flow range tests

Max Height
Approx. 100 mm

Humidity
Ambient (laboratory conditions)

Port Size
Standard J-Ring port

Specimen Size
Compatible with concrete slump test samples

Usage
Testing concrete passing ability through reinforcement

Capacity
Single unit for one test at a time

Machine Weight
Approximately 1.5 kg

Test Speed
Manual (No motorized speed)

Test Width
Narrow gap (J-Ring type)

Test Stroke
Not applicable (static test)

Control Mode
Manual operation

Color
Silver/Grey

Portable
Yes, lightweight and easy to transport

Complies With
IS: 1199/ASTM 1621

Material Construction
Mild steel or stainless steel

Bar Diameter
16 mm approx.

Cleaning Method
Easy to clean, removable components

Gap Width
40 mm (between bars, narrow gap configuration)

Surface Finish
Smooth, anti-rust coating

Number of Bars
16 to 18 bars

Ring Diameter (Inner/Outer)
Inner 150 mm, outer 190 mm approx.

J-Ring, Narrow Gap Trade Information

Minimum Order Quantity
1 Piece

FOB Port
coimbatore

Payment Terms
Cash Advance (CA), Cash in Advance (CID)

Supply Ability
1 Piece Per Day

Delivery Time
1 Days

Sample Available
No

Packaging Details
cotton box

Main Export Market(s)
Asia, Africa

Main Domestic Market
Delhi, Sikkim, Tamil Nadu, Madhya Pradesh, Central India, Chhattisgarh, Haryana, Himachal Pradesh, Jammu and Kashmir, West Bengal, Uttarakhand, All India, West India, North India, East India, Gujarat, Karnataka, Kerala, Lakshadweep, Mizoram, Meghalaya, Manipur, Andhra Pradesh, Bihar, Chandigarh, Daman and Diu, Goa, Jharkhand, Odisha, Punjab, Assam, Dadra and Nagar Haveli, South India, Andaman and Nicobar Islands, Arunachal Pradesh, Maharashtra, Nagaland, Rajasthan, Telangana, Tripura, Pondicherry, Uttar Pradesh

About J-Ring, Narrow Gap

Specification:

The J-Ring test is used for determining the passing ability, the flow spread and the flow time of self compacting concrete as the concrete flows through the JRing apparatus. The J-Ring narrow gap with 18 mm x 16 smooth bars is manufactured from stainless steel.
The Slump Cone is made from sheet steel protected against corrosion, with diameters; top 100 mm, base 200 mm and with a height of 300 mm. The Base plate is 900x900x3 mm square, made of stainless steel with engraved circles of 200 mm and 500 mm diameter conforming to EN 12350- 8.
The Steel weighted collar is used to stabilize the slump cone on J-Ring or slump flow tests.
Minimum apparatus for the J-Ring test are J-Ring with narrow gap and slump cone.
ZI 2009 : J-Ring, narrow gap
ZI 2002 : Slump cone for J-Ring
ZI 2009-A : Base plate for J-Ring and slump-flow tests
ZI 2009-B : Steel weighted collar, 9 kg
ZI 2009-C : EN 12350-8 for slump cone on J-Ring or slump flow test

Optimal Assessment for Concrete Workability

Designed in accordance with IS: 1199 and ASTM 1621 standards, the J-Ring Narrow Gap Apparatus provides engineers and quality control professionals with accurate evaluation of fresh concrete's passing ability. Its narrow 40 mm gap between 16 to 18 rugged bars simulates rebar congestion, ensuring results reflect real-world conditions. The steel construction, protected from corrosion and easy to clean, ensures reliability across numerous tests.

User-Friendly and Portable Design

The equipment is engineered for convenience, with a weight of just 1.5 kg and removable components that facilitate effortless handling, cleaning, and setup. Its compact tabletop design allows for quick deployment both in laboratory settings and at construction sites, supporting efficient and repeatable testing of one specimen at a time.

FAQ's of J-Ring, Narrow Gap:

Q: How is the J-Ring Narrow Gap apparatus used in concrete testing?

A: This apparatus is placed on a plate, and fresh concrete is poured using a standard slump cone inside the ring. After lifting the cone, the apparatus assesses the ability of concrete to flow through the narrow gaps between bars, simulating its passing ability through reinforcement.

Q: What are the benefits of using a J-Ring Narrow Gap apparatus?

A: It helps determine the workability and passing ability of self-compacting or high-flow concrete mixtures, ensuring structures with dense reinforcement maintain concrete quality during placement.

Q: When should the J-Ring Narrow Gap apparatus be employed?

A: Use this equipment during quality control tests in laboratories or on-site whenever the concrete mix is required to pass through tight reinforcements, especially for highly reinforced structural elements.

Q: Where can the J-Ring Narrow Gap apparatus be used?

A: It is suitable for laboratory settings and construction sites, particularly where standards like IS: 1199 or ASTM 1621 are followed for concrete slump-flow testing.

Q: What is the cleaning and maintenance process for this apparatus?

A: With its removable and smooth, anti-rust components, cleaning is straightforward. Simply disassemble and wipe down all parts after each use to maintain accuracy and prolong equipment life.

Q: How does this apparatus aid in improving concrete quality?

A: By identifying concrete mixtures that may struggle to pass through narrow rebar spacing, it allows adjustments to mix design and onsite procedures, enhancing construction quality and durability.

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