Issuing body
BIS
Latest edition
1969 (withdrawn; superseded by IS 14750)
Region
India
Equipment items
3
Scope
Legacy Indian pressure vessel code; many existing plants still reference it.
Key requirements (7)
- Indian Code for Unfired Pressure Vessels — generally aligned with ASME VIII Div 1.
- Three classes (1, 2, 3) corresponding to severity of service.
- Joint efficiency 1.0 (full RT), 0.85 (spot), 0.7 (no RT).
- Hydrotest: 1.3 × design pressure × (allowable at test/allowable at design).
- Material allowables drawn from Indian + ASME-equivalent grades.
- Used in conjunction with SMPV(U) Rules for statutory approval in India.
- Increasingly being superseded in industry by ASME VIII direct adoption.
Related standards (2)
Applied to 3 equipment items
Pressure Vessels & Reactors
Cryogenic & Refrigerated Storage