Specification for Single Barrel Stirrup Pump for Fire Fighting Purposes

IS 2298: Scope & Key Specifications

Scope (Clause 2.0 & 3.1)

• Covers materials and construction of pump components.
• Materials must conform to specified Indian Standards (IS).

Materials of Construction (Clause 3.1, Table 1)

Key Specification (Clause 4.12)

• Total mass of pump ≤ 5 kg

Summary

• Use materials strictly as per IS references.
• Ensure component quality and weight limits.
• Refer to IS 2298 for detailed performance requirements.

flowchart TD
    A[Pump Components] --> B[Barrel (Brass - IS 407)]
    A --> C[Plunger Rod (Brass - IS 407)]
    A --> D[Stirrup Support (Mild Steel - IS 1977)]
    A --> E[Valve & Housing (Brass/Bronze - IS 292/318)]
    A --> F[Hose (Rubber Braided

IS 2298 - Definitions & Materials Specifications

Clause 2.0: Definitions

• Defines terms used in the standard for uniform understanding.

Clause 3.1: Materials of Construction (Table 1)

Key Notes:

• Materials conform to relevant IS standards ensuring quality and compatibility.
• Brass and bronze alloys are predominant for corrosion resistance.
• Mild steel used for structural support components.
• Rubber hoses and protective sheets ensure flexibility and protection.

graph TD
  A[Pump Components] --> B[Barrel - Brass (IS:407)]
  A --> C[Plunger Rod -

IS 2298 - Materials for Components (Clause 3.1)

Notes:

• Brass Alloy No. 2 (IS 407) is commonly used for corrosion resistance and machinability.
• Mild steel Grade ST 32-0 (IS 1977) for structural strength.
• Bronze grades (IS 318) provide good wear resistance for moving parts.
• Rubber hoses and protective sheets conform to IS 913 and IS 638 respectively for flexibility and durability.

This table ensures material compliance for durability, strength, and performance of pump components as per IS 2298.

IS 2298 - Components and Construction: Key Specifications

Materials of Construction (Clause 3.1, Table 1)

Notes:

• Materials are selected for durability, corrosion resistance, and mechanical properties suitable for firefighting pumps.
• Refer to the specific IS standards for detailed mechanical and chemical properties.

Summary Diagram of Components and Materials

graph TD
    Barrel -->|Brass| IS407
    PlungerRod -->|Brass| IS407
    StirrupSupport -->|Mild Steel| IS1977
    Strainer -->|Brass Sheet| IS410

IS 2298: Performance Requirements Summary

Key Performance Clause:

• Clause 4.12: Total Mass
  • The total mass of the pump shall not exceed 5 kg.

Materials of Construction (Clause 3.1, Table 1):

Notes:

• Materials must conform strictly to the Indian Standards mentioned.
• The total mass limit (≤ 5 kg) ensures portability and ease of use.
• Performance requirements focus on material quality and mass constraints for durability and standardization.

flowchart TD
    A[Pump Components] --> B[Barrel - Brass (IS 407)]
    A --> C[Plunger Rod - Brass (IS 407)]
    A --> D[Stirrup Support - Mild Steel (IS

IS 2298: Workmanship and Finish - Key Points

Clause 6: Workmanship and Finish

• 6.1: All pump parts must exhibit good workmanship and finish ensuring durability and performance.
• No explicit formula is provided; emphasis is on quality of manufacturing and surface finish.

Material Specifications (Clause 3.1, Table 1)

Summary

• Good workmanship involves proper machining, finishing, and assembly as per the materials specified.
• Use IS standards for material quality and manufacturing processes.
• No direct formulas; focus on adherence to material specs and quality control.

flowchart TD
    A[Pump Components] --> B[Material Selection per IS

IS 2298 - Marking Requirements for Pumps

Key Specifications (Clause 7.1):

Each pump shall be clearly and indelibly marked with:

• Manufacturer's name or trade-mark
• Year of manufacture

Additional Marking (Clause 7.1.1):

• Pumps may also carry the ISI Certification Mark.
• The ISI Mark assures compliance with the Indian Standard under ISI's inspection and quality control system.

Important Notes:

• Use of ISI Mark is regulated by the Indian Standards Institution (Certification Marks) Act.
• ISI Marked products undergo continuous conformity checks.
• Details for ISI certification licensing are available from the Indian Standards Institution.

Summary Table for Marking:

No formulas or tables are specified for marking in IS 2298; marking is primarily about clear identification and certification compliance.

IS 2298: Key Specifications on Dimensions and Mass

Total Mass (Clauses 2.8 & 4.12)

• Maximum total mass: 5 kg (Complete pump with all mountings, excluding liquid, delivery hose, cut-off device, lance, and nozzle).
• Mass includes all mountings but excludes discharge line and liquid content.

Materials of Construction (Clause 3.1, Table 1)

Summary:

• The pump's total mass ≤ 5 kg (excluding liquid and discharge hose).
• Components use standardized materials ensuring durability and compatibility per IS codes.
• Refer to Table 1 (Clause 3.1) for detailed material specifications.