Category 300 Class American standard Malleable iron pipe fittings
- Сертификат: Включено в список UL / Одобрено FM
- Поверхность: Черное железо / Горячеоцинкованное
- Стандарт: ASME B16.3
- Материал: Ковкий чугун ASTM A197
- Тема: NPT / BS21
- W. pressure: 300 P.S.I. 10 kg/cm at 550° F
- Поверхность: Черное железо / Горячеоцинкованное
- Прочность на разрыв: 28,4 кг/мм (минимум)
- Удлинение: минимум 5%
- Zinc Coating: Average 86 um, each fitting≥77.6 um
Доступный размер:

Элемент |
Размер (дюйм) |
Размеры |
Количество в ящике |
Особый случай |
Масса |
|||||
Число |
A | B | C | D |
Владелец |
Внутренний |
Владелец |
Внутренний |
(Грамм) |
|
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.
В: Вы фабрика или торговая компания?
A: Мы являемся заводом с более чем 30-летней историей в области литья.
В: Какие условия оплаты вы поддерживаете?
A: TTor L/C. 30% payment in advance, and the 70%balance would be paid before shipment.
В: Каковы сроки доставки?
A: 35 дней с момента получения авансового платежа.
В: Можно ли получить образцы с вашего завода?
A: Да. Бесплатные образцы будут предоставлены.
В: Сколько лет действует гарантия на продукцию?
О: Минимум 1 год.
НОВОСТИ