Pipe Fittings (Domestic)


Tolerances (As per Indian Standards)

TOLERANCES IN DIMENSIONS

DIMENSIONS TOLERANCES
Above
mm
Upto and including
mm
mm
- 30 ±1.5
30 50 ±2.0
50 75 ±2.5
75 100 ±3.0
100 150 ±3.5

NOTE : (1) Center-to-face dimensions apply to Elbows, Tees, Crosses & Bends
(2) Face-to-Face dimensions apply to Sockets, Unions & Hex Nipples


Size designation in mm 8 10 15 20 25 32 40 50 65 80 100 125 150
Size designation in inch 1/4" 3/8" 1/2" 3/4" 1" 1¼" 1½" 2" 2½" 3" 4" 5" 6"
Thickness in mm 2.5 2.5 2.5 3.0 3.0 3.5 3.5 4.0 4.5 5.0 6.0 6.5 7.5
Tolerance in mm -0.5 -0.5 -0.5 -0.7 -0.7 -0.7 -0.7 -0.7 -1.0 -1.0 -1.0 -1.0 -1.0

NOTE : (1) Center-to-face dimensions apply to Elbows, Tees, Crosses & Bends
(2) Face-to-Face dimensions apply to Sockets, Unions & Hex Nipples

NOTE : 1. The above dimensions & weights are for beaded fittings. For measurements of plain fittings (without collar), the nominal mass of fittings may be reduced by 7% (seven percent) from those specified above. Extract from section 2-10 of Indian Standards Specification for melleable cast iron pipe fittings as per 1879:2010
2. The above weights & dimensions are as per IS : 1879:2010 (Part 1 to 10) but to provide our customers, the best & long duration products, We manufacture 'MG' brand fittings with plus dimensions & weights.

Technical Comparison

'MG' Brand pipe fittings ensures accurate & perfect thread alignment to ensure uninterrupted & free flow of water.
Extra Zinc coating to avoid rust.
High class malleablity to avoid chances of cracking.
Accurate dimensions to ensure easy assembling leading to saving of time , labour & energy.
The following comparison shows the superiority of 'MG' brand pipe fittings to other various standard specifications for malleable cast iron pipe fittings applied in different countries :-

Specifications MG BIS BSS
Tensile Strength (Min) Kgf/mm² 33 30 30
Elongation (Min) (% age) 7 6 6
Zinc Coating (Min) gm/m² 655 610 450
Hydraulic Pressure (Min) Bars 21 21 20
Angle Tolerance ± (Degree) 0.50 .50 0.50

w : Nominal Mass - Kg/100 pcs

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