Category 300 Class American standard Malleable iron pipe fittings
- Certificate: FM Approved and UL Listed
- Surface: Hot-dip galvanized and black iron
- Standard: ASME B16.3
- Material: Malleable iron ASTM A197
- Thread: NPT / BS21
- W. pressure: 300 P.S.I. 10 kg/cm at 550° F
- Surface: Hot-dip galvanized and black iron
- Tensile Strength:28.4 kg/mm(Minimum)
- Elongation:5% Minimum
- Zinc Coating: Average 86 um, each fitting≥77.6 um
Available Size:

Item |
Size (inch) |
Dimensions |
Case Qty |
Special Case |
Weight |
||||||
Number |
A |
|
B | C | D |
Master |
Inner |
Master |
Inner |
(Gram) |
|
REL0502 | 1/2 X 1/4 | * |
|
* |
80 |
40 |
40 |
20 |
203 |
||
REL0705 | 3/4 X 1/2 | * |
|
* |
180 |
90 |
90 |
45 |
* | ||
REL1007 | 1X 3/4 | * |
|
* |
75 |
25 |
60 |
30 |
404.9 |
1. The pipeline system for building water supply
2. The pipeline system for building heating and water supply
3. The pipeline system for building fire
4. The pipeline system for building gas
5. The pipeline system for building oil
6. Additional non-corrosive liquid I gas pipelines


This product is suitable for industrial and residential piping systems, such as water pipes, gas pipes, and oil pipes. It is primarily used for changing the direction and flow of fluids to meet industrial and residential needs. This product can be widely used in the chemical, pharmaceutical, power, petroleum, natural gas, and paper industries.
- High strength: This product is made of high-quality malleable cast iron, which has high strength, toughness, and corrosion resistance. It can work in high pressure, high temperature, and harsh environments, providing reliable pipe connections and fluid transmission.
- Precise design: The precise design of this product ensures its accurate dimensions, ease of installation, and compatibility with other standard pipe fittings.
- Reliable sealing: This product is equipped with sealing gaskets, which can provide excellent sealing performance, prevent fluid leakage and pipe loosening.
- Wear resistance: The surface of this product has been specially treated to have strong wear resistance and corrosion resistance. It can be used for a long time, reducing the cost of maintenance and replacement.
- Economical and practical: This product is reasonably priced, suitable for various piping systems, and provides an economical and practical solution.
Keep every pipe fitting that our Clients’ received is qualified.
1.Q:Are you factory or trading company?
A:We are factory with +30 years history in casting field.
2.Q: What terms of payment do you support?
A: TTor L/C. 30% payment in advance, and the 70%balance would be paid before shipment.
3. Q: How long is your delivery time?
A: 35 days upon receipt of advanced payment.
4. Q: lt is possible to get samples from your factory?
A: Yes. free samples will be provided.
5. Q: How many years the products guaranteed?
A: Minimum 1 years.
Fittings that can be bent or bent more easily are known as malleable fittings. This is a physical characteristic of all matter, including metals and metalloids. When a metal can be easily bent without breaking, especially when hammered or rolled, we refer to it as being malleable. To create pressing materials like metals and plastics, malleability is crucial.
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