Reducing Bushings TupyNPT

MEDIUM PRESSURE Fittings for applications up to 300 lb at ambient temperature

Applications
Tupy S.A. reserves the right to introduce in its product lines the alterations which it deems appropriate. The weights (g) appearing in this price list are subject to alterations without prior notice. For your safety, ensure that the fittings acquired are in compliance with the aforesaid standards and that tightness tests are executed before final use in the networks installed.
Brands
The TUPY NPT-Medium Pressure fittings are produced with a black finishing (non-toxic oil) or hot-dip galvanizing, as per ABNT NBR 6323and ASTM A-153. Other special claddings (Epoxy paints, cataphoretic, hybrid, double-dip galvanizing, etc.) can be supplied upon inquiry.
Dimensionals
Nominal diametermm measuresWeight in g
InchmmD (min)S (min)
3/8×1/410mm x 8mm16,317,318
1/2×1/415mm x 8mm1922,144
1/2×3/815mm x 10mm1922,132
3/4×3/820mm x 10mm21,629,270
3/4×1/220mm x 15mm21,629,256
1×1/225mm x 15mm25,536,1118
1×3/425mm x 20mm25,536,196
1.1/4×1/232mm x 15mm3134160
1.1/4×3/432mm x 20mm27,444,7196
1.1/4×132mm x 25mm27,444,7156
1.1/2×3/440mm x 20mm30,541,4211
1.1/2×140mm x 25mm2950,8257
1.1/2×1.1/440mm x 32mm2950,8174
2×150mm x 25mm32,849,5338
2×1.1/450mm x 32mm3163408
2×1.1/250mm x 40mm3163342
2.1/2×1.1/265mm x 40mm38,468,1784
2.1/2×265mm x 50mm36,675,7578
3×280mm x 50mm40,983,31160
3×2.1/280mm x 65mm38,998953
4×2.1/2100mm x 65mm46,2981392
4×3100mm x 80mm43,7117,31780
6×4150mm x 100mm60147,13595
Inspection
The TUPY NPT-Medium Pressure fittings are inspected in a manner to ensure the specifications of standards ABNT NBR 6925, ASME B 16.3, ASME B 16.14 and ASME B 16.39. Brands The TUPY NPT-Medium Pressure fittings, when the dimensions so allow, are recorded with the following identifications:
– Trademark TUPY® (except in the rated diameters of 3/8 x 1/4 to 3/4 x 1/2 in the Reduction Bushings and 1/4 and 3/8 in the Plugs).
– The rated diameter.
– The monogram MI (Malleable Iron) except in the Reduction Bushings and Plugs.
– The number 150 (Indicating class), except in the Reduction Bushings and Plugs.
– The name BRAZIL (Indicating manufacturing Country).
– The monogram NPT (National Pipe Taper), only in the Reduction Bushings and Plugs.
– The monogram (Underwiters Laboratories Inc.)
Manufacturing standards
The TUPY NPT-Medium Pressure fittings are produced in compliance with the specifications of standard ABNT NBR 6925 and ASME B 16.3, except for the Reductions Bushings and Plugs which obey standard ASME B 16.14 and unions ASME B 16.39. We point out that, depending upon the figure, some diameters may appear in one standard but not in another.
Material
The TUPY NPT-Medium Pressure fittings are made of Black malleable iron in compliance with standards ABNT NBR 6590 and ASTM A-197M.
Pressure table
 Rated Diameter
Temperature °C1/4 to 1
(psi)*		Unions from 1 1/4 to 2
(psi)**		2 1/2 to 6
(MPa)***
-29 to 663003002,1
932652651,8
1212252251,5
1491851851,3
1771501501,0
20401100,7
2320750,5
Unit Conversion
1 bar14,5 psi
1 bar1 kgf/cm²
1 bar0,1 MPa
1 psi1 lbf/pol²
* Maximum Service Pressures as per ASME B 16.3.
** Maximum Service Pressures as per ASME B 16.39.
*** Maximum Service Pressures as per ABNT NBR 6925.
Surface protection
The TUPY NPT-Medium Pressure fittings are applied for conducting liquids, gases and vapors.
Thread
The sealing threads of the TUPY NPT-Medium Pressure fittings are produced in compliance with the specifications of standards ABNT NBR 12912 and ANSI B 1.20.1. (conic external and internal thread). Other types, produced upon inquiry.
 
Specifications
Finishing

Black

Hot Dip Galvanized

Nominal Diameter

3/8″ x 1/4″

1/2″ x 1/4″

1/2″ x 3/8″

3/4″ x 1/2″

3/4″ x 3/8″

1″ x 1/2″

1″ x 3/4″

1.1/4″ x 1/2″

1.1/4″ x 3/4″

1.1/4″ x 1″

1.1/2″ x 3/4″

1.1/2″ x 1″

1.1/2″ x 1.1/4″

2.1/2″ x 1.1/2″

2.1/2″ x 2″

2″ x 1″

2″ x 1.1/4″

2″ x 1.1/2″

3″ x 2″

3″ x 2.1/2″

4″ x 2.1/2″

4″ x 3″

6″ x 4″

Pressure Class

150 LB NPT

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