Category 300 Class American standard Malleable iron pipe fittings
- Sijil: UL Listed / FM Approved
- Permukaan: Besi hitam / Hot dip bergalvani
- Standard: ASME B16.3
- Bahan: Besi mudah tempa ASTM A197
- Thread: NPT / BS21
- W. pressure: 300 P.S.I. 10 kg/cm at 550° F
- Permukaan: Besi hitam / Hot dip bergalvani
- Kekuatan Tegangan:28.4 kg/mm(Minimum)
- Pemanjangan: 5% Minimum
- Zinc Coating: Average 86 um, each fitting≥77.6 um
Saiz Tersedia:

item |
Saiz (inci) |
Dimensi |
Kuantiti Kes |
Kes Khas |
Berat badan |
|||||
Nombor |
A | B | C | D |
Cikgu |
dalaman |
Cikgu |
dalaman |
(Gram) |
|
H-UNI02 | 1/4 | 19.5 | 17.5 | 22.0 |
200 |
50 |
100 |
50 |
130.5 |
|
H-UNI03 | 3/8 | 22.5 | 19.0 | 24.2 |
120 |
60 |
90 |
45 |
233 |
|
H-UNI05 | 1/2 | 24.5 | 20.0 | 27.0 |
80 |
40 |
40 |
20 |
261.4 |
|
H-UNI07 | 3/4 | 27.5 | 21.0 | 29.0 |
60 |
30 |
30 |
15 |
400 |
|
H-UNI10 | 1 | 29.0 | 23.0 | 32.5 |
36 |
18 |
18 |
9 |
665.8 |
|
H-UNI12 | 1-1/4 | 33.0 | 26.0 | 38.0 |
24 |
12 |
12 |
6 |
945.8 |
|
H-UNI15 | 1-1/2 | 35.5 | 29.0 | 41.5 |
20 |
10 |
10 |
5 |
1121.3 |
|
H-UNI20 | 2 | 42.0 | 32.0 | 45.0 |
12 |
6 |
6 |
3 |
1914 |
|
H-UNI25 | 2-1/2 | 44.0 | 37.0 | 51.0 |
8 |
4 |
4 |
2 |
2347 |
|
H-UNI30 | 3 | 55.5 | 43.0 | 58.0 |
6 |
2 |
3 |
1 |
3582.5 |
|
H-UNI40 | 4 | 61.5 | 54.0 | 64.5 |
2 |
1 |
1 |
1 |
8450 |
1.Building water supply pipeline system
2.Building heating and water supply system
3.Building fire pipeline system
4.Building gas pipeline system
5.Oil pipeline piping system
6.Other non corrosive liquid I gas pipelines


The 300 Class American Standard Malleable Iron Pipe Fittings Union With Brass Seat is a detachable fitting with both female threaded connections, featuring a ball-to-cone or ball-to-ball joint. It consists of a male tail, a female head, a union nut, and a brass seat, delivering strong performance and various functions.
Firstly, this malleable iron union is suitable for pipeline connections in many industries, including industrial, chemical, petroleum, natural gas, aerospace, shipbuilding, construction, and water treatment. Whether under high pressure or low pressure, this union can provide a reliable connection, ensuring the smooth flow of fluids in pipelines.
Secondly, this product is characterized by its corrosion resistance and durability. Made of malleable iron and treated with heat and galvanizing, it can prevent corrosion and rust in different environments. Moreover, the brass seat enhances the sealing performance of the union, ensuring good performance even under high temperature, high pressure, and vibration.
In addition, this product is easy to install and disassemble, thanks to the ball-to-cone or ball-to-ball joint connection. The union nut is made of high-quality steel, sturdy and reliable, and can be adjusted according to the needs of different pipelines.
Finally, this product meets American and international standards, ensuring high interchangeability and compatibility. Customers can purchase and use it with confidence, and also enjoy excellent after-sales service.
In summary, the 300 Class American Standard Malleable Iron Pipe Fittings Union With Brass Seat is a strong and versatile pipeline connection fitting, suitable for various industries and applications.
Keep every pipe fitting that our Clients’ received is qualified.
S: Adakah anda kilang atau syarikat perdagangan?
A: Kami adalah kilang dengan sejarah +30 tahun dalam bidang pemutus.
S: Apakah syarat pembayaran yang anda sokong?
A: TTor L/C. 30% payment in advance, and the 70%balance would be paid before shipment.
S: Berapa lama masa penghantaran anda?
J: 35 hari selepas menerima bayaran pendahuluan.
S: Adakah mungkin untuk mendapatkan sampel dari kilang anda?
A: Ya. sampel percuma akan diberikan.
S: Berapa tahun produk dijamin?
A: Minimum 1 tahun.
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