Mechanical joint of cast iron pipes require as per IS:12820 which recommends usage of rubber rings as per IS:5382-1985 Type IV.

Material : EPDM Polymer, Natural Polymer & SBR Polymer

80 mm Gasket For Mechaical Joint = L-351
100 mm Gasket For Mechaical Joint = L-518
125 mm Gasket For Mechaical Joint = L-519
150 mm Gasket For Mechaical Joint = L-520
200 mm Gasket For Mechaical Joint = L-521
250 mm Gasket For Mechaical Joint = L-532
300 mm Gasket For Mechaical Joint = L-568
350 mm Gasket For Mechaical Joint = L-538
400 mm Gasket For Mechaical Joint = L-539
450 mm Gasket For Mechaical Joint = L-540
500 mm Gasket For Mechaical Joint = L-541
600 mm Gasket For Mechaical Joint = L-352
700 mm Gasket For Mechaical Joint = L-542
750 mm Gasket For Mechaical Joint = L-543
800 mm Gasket For Mechaical Joint = L-544
900 mm Gasket For Mechaical Joint = L-545
1000 mm Gasket For Mechaical Joint = L-546
1050 mm Gasket For Mechaical Joint = L-547
1100 mm Gasket For Mechaical Joint = L-548
1200 mm Gasket For Mechaical Joint = L-549
1500 mm Gasket For Mechaical Joint = L-570