ALLOY STEEL BUTTERFLY VALVE DN25-DN1200 BG290
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 10000 pc/month
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Specifications
Long service life, standing the test of tens thousands opening/closing operations
Butterfly Valve
Packing & Delivery:
Packing: plywood box or according to specific customer needing .
suitable for long-time sea shipment
Delivery: within 15-30days after receipt of at sight L/C or 30% as advance payment by T/T
Materials:
Body: aluminum, cast iron, ductile iron, carbon steel, stainless steel
Disc: cast iron, ductile iron, carbon steel , stainless steel
Stem: carbon steel, stainless steel
Seat: EPDM, PTFE, NBR
Specifications
Size: DN25-1200 (1”-48”)
Pressure: PN10/16( 150/200 PSI)
Actuator: handle/gear box /pneumatic /electric
Standard: API, ASTM, ANSI , DIN, BS, JIS ,ISO approved
End connection: wafer type, flange type, lug type
Features:
1.Unique stem hole design in the disc ensures a dry stem journal;
2.360 degree polished disc assures positive on-off;
3.Long service life, standing the test of tens thousands opening/closing operations;
4.Bubbles-tight sealing with no leakage under the pressure test;
5.Wide selection of materials , applicable to various medium
- Q: What is the difference between steel pipe and fiberglass pipe?
- Steel pipe and fiberglass pipe differ in terms of material composition, durability, flexibility, and cost. Steel pipe is made of steel, which provides strength and resilience, making it ideal for high-pressure applications and underground installations. Fiberglass pipe, on the other hand, is composed of reinforced plastic fibers, resulting in a lightweight and corrosion-resistant material suitable for above-ground and corrosive environments. While steel pipe offers higher tensile strength, fiberglass pipe excels in its flexibility, allowing for easier installation and reduced maintenance. Additionally, steel pipe is typically more expensive due to the cost of materials and manufacturing processes, while fiberglass pipe is more cost-effective in terms of initial installation and long-term maintenance.
- Q: How do you determine the maximum allowable stress for steel pipes?
- In order to establish the maximum allowable stress for steel pipes, several factors must be taken into account. These factors encompass the type of steel, the dimensions of the pipe, and the operating conditions it will be exposed to. To begin with, the type of steel chosen is a pivotal aspect in determining the maximum allowable stress. Different steel grades possess distinct mechanical properties, including yield strength, tensile strength, and elongation. These properties define the steel's capacity to withstand stress before deforming or failing. Hence, it is crucial to comprehend the specific grade of steel employed in the pipes to ascertain the maximum allowable stress. Additionally, the dimensions of the pipe are of utmost importance. The external diameter, wall thickness, and length all impact the pipe's strength and ability to handle stress. By calculating the cross-sectional area and moment of inertia, engineers can evaluate the pipe's resistance to bending and axial stresses. These calculations, combined with the material properties, facilitate the determination of the maximum allowable stress. Finally, the operating conditions under which the pipe will be utilized play a critical role. Variables such as temperature, pressure, and the presence of corrosive substances can significantly influence the maximum allowable stress of a steel pipe. Elevated temperatures can alter the mechanical properties of the steel, while high pressures can induce additional stress. Furthermore, the presence of corrosive substances can lead to material degradation and diminish the pipe's strength. Thus, considering these operational factors is essential when determining the maximum allowable stress. To summarize, the process of establishing the maximum allowable stress for steel pipes entails assessing the specific steel grade, the pipe's dimensions, and the operating conditions. By analyzing these factors, engineers can ensure that the steel pipe is designed and utilized within its safe stress limits.
- Q: Can steel pipes be used for irrigation systems?
- Yes, steel pipes can be used for irrigation systems. They are strong, durable, and resistant to corrosion, making them suitable for transporting water and withstanding outdoor conditions. However, it is important to ensure proper insulation and maintenance to prevent any potential rust or degradation.
- Q: What are the different types of steel pipe joints?
- There are several different types of steel pipe joints, including butt weld joints, socket weld joints, threaded joints, and flanged joints.
- Q: What is the maximum allowable pressure for steel pipes?
- The maximum allowable pressure for steel pipes typically depends on various factors such as the pipe's diameter, thickness, and material grade. Additionally, it is crucial to consider the intended application and the specific industry standards or codes being followed. Therefore, there is no universal answer to this question, as the maximum allowable pressure can vary significantly depending on these factors. It is essential to consult relevant codes and standards specific to the application to determine the appropriate maximum allowable pressure for steel pipes.
- Q: What are the common standards for manufacturing steel pipes?
- The common standards for manufacturing steel pipes include specifications set by international organizations such as the American Society for Testing and Materials (ASTM), the International Organization for Standardization (ISO), and the European Committee for Standardization (EN). These standards cover aspects such as material composition, dimensions, mechanical properties, and testing methods to ensure quality and compatibility in steel pipe production.
- Q: How do steel pipes handle high-velocity flow?
- Steel pipes are highly capable of handling high-velocity flow due to their inherent strength and durability. The robustness of steel allows it to withstand the pressure exerted by the high-velocity flow, minimizing the risk of deformation or failure. Additionally, steel pipes have smooth interiors, which reduces frictional losses and ensures efficient flow rates even at high velocities.
- Q: Can steel pipes be used for bridge piling?
- Yes, steel pipes can be used for bridge piling. Steel pipes are commonly used in bridge construction due to their strength, durability, and resistance to corrosion. They provide sufficient load-bearing capacity and can be driven deep into the ground to provide stable support for bridges.
- Q: How do you transport and store steel pipes?
- Transporting and storing steel pipes requires careful planning and adherence to safety guidelines. Here are the steps involved in transporting and storing steel pipes: 1. Determine the appropriate mode of transportation: Depending on the quantity and weight of the steel pipes, you can choose between transportation by truck, train, or ship. Evaluate the distance, logistics, and cost-effectiveness of each option before making a decision. 2. Package and secure the steel pipes: Proper packaging is crucial to prevent damage during transit. Bundle the pipes together using steel strapping or banding. Ensure that the bundles are secured tightly to prevent any shifting or movement during transportation. 3. Use appropriate lifting equipment: When loading and unloading the pipes, use suitable lifting equipment such as cranes, forklifts, or hoists. Ensure that the equipment is capable of handling the weight and length of the pipes safely. 4. Protect against moisture and corrosion: Steel pipes are susceptible to moisture and corrosion, which can weaken their structural integrity. Before transportation, apply a protective coating or wrap the pipes with waterproof materials. Additionally, consider using moisture-absorbing desiccants or placing the pipes on pallets to elevate them off the ground. 5. Plan for safe storage: If storing the steel pipes for an extended period, choose a dry and secure location. Ensure that the storage area is well-ventilated and free from direct exposure to sunlight, rain, or extreme temperatures. Use racks or pallets to keep the pipes off the ground and prevent contact with moisture. 6. Inspect for damage: Before transportation and after storage, conduct thorough inspections to identify any damage or signs of corrosion. This will help you address any issues promptly and ensure the integrity of the steel pipes. Remember to comply with local regulations and safety guidelines specific to your region when transporting and storing steel pipes. By following these steps, you can ensure the safe and efficient transportation and storage of steel pipes, minimizing the risk of damage and maintaining their quality.
- Q: How are steel pipes used in the construction of underground parking garages?
- Steel pipes are commonly used in the construction of underground parking garages for various purposes such as drainage, ventilation, and structural support. They are used as conduits for underground utilities, including water supply and sewage systems. Additionally, steel pipes are often used as piling or foundation elements to provide stability and support to the structure, especially in areas with challenging soil conditions. Overall, steel pipes play a crucial role in ensuring the functionality and durability of underground parking garages.
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ALLOY STEEL BUTTERFLY VALVE DN25-DN1200 BG290
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 10000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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