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PipaSudah sejak lama manusia mengenal adanya sistem pemipaan, dimana pada jaman dahulu kala untukmemenuhi kebutuhan akan pengairan (distribusi air) di gunakan saluran melalui batang bambu (bahanalam). pertama kali sistem pemipaan menggunakan logam adalah di Greek dan Romawi yang terbuat darilead dan bronze, dimana saat itu teknologi pengecoran logam mulai di kenal.

Selanjutnya sistem pemipaan berkembang dengan material logam yang bervariasi seiring dengan tingkatperkembangan dan kebutuhan manusia, yang akhirnya saat ini dikenal berbagai logam hingga non logamyang berkembang pesat dalam dunia industri termasuk juga pada sistem pemipaan.

Pipa di identifikasikan dengan kategori ukuran, yaitu : Nominal Pipe Size ( NPS ), Outsside Diameter ( OD), dan Inside Diameter ( ID ), sebagaimana yang di tunjukan pada gambar dibawah :

( NPS digunakan hanya untuk menyebutkan ukuran pipa komersial saja.)

Tebal pipa ( Wall Thickness ) adalah istilah untuk tebal dinding pipa, yang mengacu pada pipe's weigth

yaitu standar, extra strong, dan double extra strong. saat ini juga di kenal sebagai schedule, yaitu S10,S20, S30, dst.

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Selain NPS dikenal juga DN ( Diameter Nominal ) berdasarkan metric unit, yang di kembangkan dariInternasional Standar Organisasi ( ISO).

Dimensi pipa ini mengacu pada code :

ASME B36.10M Welded and Seamless Wrougth Steel Pipe Asme B36.19M Stainless Steel Pipe

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Pipa menjadi acuan dalam perhitungan termasuk juga koneksi dengan aksesoris nya seperti fitting, flangedsb.

http://1.bp.blogspot.com/-fzHmlinX818/T9LSoVywMyI/AAAAAAAAABs/xmOnBzsTsMA/s1600/2.JPG

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Javasteelpipe Makmur

Pipa Galvanis Seamless & Welded

Tabel Ukuran, Spesifikasi dan Berat Nominal Pipa Galvanis

Product

Size OD ID T Weight

Inch mm mm mm Kg

Pipa Galvanis 3/8 17.3 12.7 2.3 5.1

Pipa Galvanis 1/2 21.7 16.1 2.8 7.86

Pipa Galvanis 3/4 27.2 21.6 2.8 10.08

Pipa Galvanis 4 34 27.6 3.2 14.58

Pipa Galvanis 1 1/4 42.7 35.7 3.5 20.28

Pipa Galvanis 1 1/2 48.6 41.6 3.5 23.34

Pipa Galvanis 2 60.5 52.9 3.8 31.86

Pipa Galvanis 2 1/2 76.3 67.9 4.2 44.82

Pipa Galvanis 3 89.1 80.7 4.2 52.74

Pipa Galvanis 3 1/2 101.6 93.2 4.2 60.6

Pipa Galvanis 4 114.3 105.3 4.5 73.2

Pipa Galvanis 5 139.8 130.8 4.5 90

Pipa Galvanis 6 165.2 155.2 5 118.8

Pipa Galvanis 8 216.3 204.7 5.8 180.6

Pipa Galvanis 10 267.4 254.2 6.6 254.4

Pipa Galvanis 12 318.5 304.7 6.9 318

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Pipa Schedule 80 Standard

Tabel Ukuran, Spesifikasi dan Berat NominalPipa Schedule 80

Size Diameter (mm) Thick Weight

Product (Inch) Outer Inner (mm) (kg)

Schedule 80 1/2 21.7 14.3 3.7 9.84

Schedule 80 3/4 27.2 19.4 3.9 13.44

Schedule 80 1 34 25 4.5 19.62

Schedule 80 1 1/4 42.7 32.9 4.9 27.42

Schedule 80 1 1/2 48.6 38.4 5.1 32.82

Schedule 80 2 60.5 49.5 5.5 44.76

Schedule 80 2 1/2 76.3 62.3 7 72

Schedule 80 3 89.1 73.9 7.6 91.8

Schedule 80 4 114.3 97.1 8.6 134.4

Schedule 80 5 139.8 120.8 9.5 183

Schedule 80 6 165.2 143.2 11 250.8

Schedule 80 8 216.3 190.9 12.7 382.8

Schedule 80 10 267.4 237.2 15.1 563.4

Schedule 80 12 318.5 283.7 17.4 774

Schedule 80 14 355.6 317.6 19 948

Schedule 80 16 406.4 363.6 21.4 1218

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Pipa Schedule 40 Standard

Tabel Ukuran, Spesifikasi dan Berat NominalPipa Schedule 40

Size Diameter (mm) Tebal

Product (Inch) Luar Dalam (mm) Weight(kg)

Pipa Sch40 1/2 21.7 16.1 2.8 7.86

Pipa Sch40 3/4 27.2 21.4 2.9 10.44

Pipa Sch40 1 34 27.2 3.4 15.42

Pipa Sch40 1 1/4 42.7 35.5 3.6 20.82

Pipa Sch40 1 1/2 48.6 41.2 3.7 24.6

Pipa Sch40 2 60.5 52.7 3.9 32.64

Pipa Sch40 2 1/2 76.3 65.9 5.2 54.72

Pipa Sch40 3 89.1 78.1 5.5 67.8

Pipa Sch40 4 114.3 102.3 6 96

Pipa Sch40 5 139.8 126.6 6.6 130.2

Pipa Sch40 6 165.2 151 7.1 166.2

Pipa Sch40 8 216.3 199.9 8.2 252.6

Pipa Sch40 10 267.4 248.8 9.3 355.2

Pipa Sch40 12 318.5 297.9 10.3 469.8

Pipa Sch40 14 355.6 333.4 11.1 565.8

Pipa Sch40 16 406.4 381 12.7 738

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