Know Your ONS
Get to know the anatomy, the range and the certifications behind every ONS pressure cooker.
Know Your ONS
Each ONS Pressure Cooker includes a detailed instruction manual and cookbook that provides model-specific operating guidance and tips. This section does not replace those manuals—it serves as a quick reference for users who want to better understand their ONS pressure cooker.
Parts of an ONS Pressure Cooker
Familiarize yourself with the components of your ONS pressure cooker. The diagram below identifies every external part—from the pressure regulator and safety valve to the locking loop and body handles.
Models
One brand, a complete range
Whatever your cooktop or kitchen, there’s an ONS cooker designed for it. Explore our four core model families.
Available in inner-lid, induction-base, hard-anodised, stainless steel and TRI-PLY finishes — across many sizes.
Product Certificate
UNDERWRITERS LABORATORIES INC (UL)
Pressure cookers with the UL Mark and listed by Underwriters Laboratories Inc. (UL) are manufactured by ONS Cookers. UL is a global safety analysis and certification body founded in 1894, headquartered in Chicago. Its mark signifies rigid safety compliance and ongoing inspections.
INNER-LID Models of Pressure Cookers Approved by UL
| S.No. | Brand | Approved Models |
|---|---|---|
| 1 | ONS PEXA Pressure Cookers | 1.5L to 6.5L |
| 2 | ONS PEXA Induction Compatible Pressure Cookers | 1.5L to 6.5L |
| 3 | ONS MEXA Pressure Cookers | 2L to 6.5L |
| 4 | ONS MEXA Hard Anodised Pressure Cookers | 2L to 6.5L |
| 5 | ONS MEXA Induction Compatible Pressure Cookers | 2L to 6.5L |
| 6 | ONS MEXA Induction Compatible Hard Anodised Pressure Cookers | 2L to 6.5L |
| 7 | ONS MEXA Induction Compatible Stainless Steel Pressure Cookers | 3L and 5L |
| 8 | ONS MEXA Induction Compatible TRI-PLY Pressure Cookers | 3L and 5L |
| 9 | ONS Big PEXA Pressure Cookers | 8L to 15L |
| 10 | ONS HEXA Pressure Cookers | 3L to 6.5L |
| 11 | ONS HEXA Induction Compatible Pressure Cookers | 3L to 6.5L |
| 12 | ONS HEXA Hard Anodised Pressure Cookers | 3L to 6.5L |
| 13 | ONS BIG MEXA Pressure Cookers | 8L to 12L |
| 14 | ONS PEXA Hard Anodised Pressure Cookers | 1.5L to 6.5L |
| 15 | ONS PEXA Induction Compatible Hard Anodised Pressure Cookers | 1.5L to 6.5L |
| 16 | ONS HEXA Induction Compatible Hard Anodised Pressure Cookers | 3L to 6.5L |
| 17 | ONS BIG MEXA Hard Anodised Pressure Cookers | 8L to 12L |
BUREAU OF INDIAN STANDARDS (BIS)
The Bureau of Indian Standards (BIS) operates a certification scheme allowing manufacturers to use the ISI Mark, assuring consumers of product safety, quality, and reliability.
INNER-LID Pressure Cooker Models Certified by BIS
| S.No. | Brand | Approved Models |
|---|---|---|
| 1 | ONS PEXA Pressure Cookers | 1.5L to 6.5L |
| 2 | ONS PEXA Induction Compatible Pressure Cookers | 1.5L to 6.5L |
| 3 | ONS MEXA Pressure Cookers | 2L to 6.5L |
| 4 | ONS MEXA Hard Anodised Pressure Cookers | 2L to 6.5L |
| 5 | ONS MEXA Induction Compatible Pressure Cookers | 2L to 6.5L |
| 6 | ONS MEXA Induction Compatible Hard Anodised Pressure Cookers | 2L to 6.5L |
| 7 | ONS MEXA Induction Compatible Stainless Steel Pressure Cookers | 3L and 5L |
| 8 | ONS MEXA Induction Compatible TRI-PLY Pressure Cookers | 3L and 5L |
| 9 | ONS Big PEXA Pressure Cookers | 8L to 15L |
| 10 | ONS HEXA Pressure Cookers | 3L to 6.5L |
| 11 | ONS HEXA Induction Compatible Pressure Cookers | 3L to 6.5L |
| 12 | ONS HEXA Hard Anodised Pressure Cookers | 3L to 6.5L |
| 13 | ONS BIG MEXA Pressure Cookers | 8L to 12L |
| 14 | ONS PEXA Hard Anodised Pressure Cookers | 1.5L to 6.5L |
| 15 | ONS PEXA Induction Compatible Hard Anodised Pressure Cookers | 1.5L to 6.5L |
| 16 | ONS HEXA Induction Compatible Hard Anodised Pressure Cookers | 3L to 6.5L |
| 17 | ONS BIG MEXA Hard Anodised Pressure Cookers | 8L to 12L |