Features
1.Fluid resistanoe,the drag coefficient with the same length of pipe equal.
2.Simple stucure,smallsize,ight weight.
3.Tight,reliable,curent vave sealing suface material widely used plastic,sealing in the vacuum system has also been widely used.
4.Easy to operate,opening and closing rapidly,fuly open to fuly dosed as long as from the rotation 90°,to facitate the remote contol.
5.Easy maintenance,simple valve,seals are generally active,are relatively easy to replace demolished.
6.In the fuly open or fuly dosed,the ball and seat sealing surface and the dieledric isolation,the medium through,it will not cause erosion of the vave sealing surface
7.Wide range of applications,from small to a few milimeters in diameter,large meters,from high vacuum to high pressure can be applied.
Technical data
公称压力Nominal pressure(Class) | 150 | 300 | 600 | 800 | 900 | 1500 | 2500 | |
试验压力 Testing pressure | 壳体试验Shell test | 2.93 | 7.55 | 10.0 | 20.1 | 15.0 | 37.5 | 63.0 |
高压密封 High pressure seal test | 2.07 | 5.52 | 7.31 | 14.7 | 11.03 | 27.5 | 16.2 | |
低压密封 Low pressure seal test | 0.6 | |||||||
适用温度C Suitable temperature | ≤425℃ | |||||||
适用介质Suiable medium | 水、油、气Water,oil,gas | |||||||
Meterial of main parts
零件名称 Part name | 碳钢Carbon steel | 不锈钢Stainless steel | 合金钢Alloy steel | |
阀体Body | A105 | LF2/LF3 | A182F304 | A182F11/F22 |
阀座Seat | A182F6a | A182F6a | A182F304 | A182F 11/F22 |
闸板Gate | A182F6a | A182F6a | A182F304 | A182F6a |
阀杆Stem | A276-410 | A276-410 | A276-304 | A276-410 |
垫片Gasket | 柔性石墨Graphite+304 | |||
密封圈Ring | 柔性石墨Graphite | |||
支架Stand | A216-WCB | A216-WCB | A351-CF8 | A216-WCB |
阀盖Cover | A105 | A350 LF2/LF3 | A182 F304 | A182F11/F22 |
螺栓Bolt | A193 B7 | A320 L7 | A193 B8 | A193 B16 |
填料Packing | 柔性石墨Graphite | |||
填料压套Packing gland | A276-410 | A276-410 | A276-304 | A276-410 |
填料压盖Packing cover | A216-WCB | A216-WCB | A351-CF8 | A216-WCB |
活节螺栓Live bolt | A193 B7 | A320L7 | A193 B8 | A193 B7 |
阀杆螺母Stem nut | A276-410 | |||
手轮Handwheel | A197/A47-32510 | |||
Main dimensions and weight
PN(MPa) | DN(mm) | d(缩径) | LRF | LRw | H | W | 重量Weight(kg) |
1.6/2.5 | 15 | 10 | 130 | 130 | 158 | 100 | 3.8/4.0 |
20 | 13 | 150 | 150 | 163 | 100 | 4.5/4.7 | |
25 | 19 | 160 | 160 | 193 | 125 | 5.6/5.8 | |
32 | 24 | 190 | 190 | 250 | 160 | 6.3/6.5 | |
40 | 31 | 200 | 200 | 250 | 160 | 9.1/10.7 | |
50 | 38 | 230 | 230 | 291 | 180 | 13.7/15.3 | |
65 | 48 | 290 | 290 | 350 | 240 | 24.5/26.2 | |
4.0 | 15 | 10 | 130 | 130 | 158 | 100 | 4.3 |
20 | 13 | 150 | 150 | 163 | 100 | 5.0 | |
25 | 19 | 160 | 160 | 193 | 125 | 6.3 | |
32 | 24 | 190 | 190 | 250 | 160 | 7.0 | |
40 | 31 | 200 | 200 | 250 | 160 | 12.3 | |
50 | 38 | 230 | 230 | 291 | 180 | 18.8 | |
65 | 48 | 290 | 290 | 350 | 240 | 27.7 | |
6.4 | 15 | 10 | 170 | 170 | 158 | 100 | 4.8 |
20 | 13 | 190 | 190 | 163 | 100 | 5.6 | |
25 | 19 | 210 | 210 | 193 | 125 | 8.0 | |
32 | 24 | 230 | 230 | 250 | 160 | 9.4 | |
40 | 31 | 260 | 260 | 250 | 160 | 13.7 | |
50 | 38 | 300 | 300 | 291 | 180 | 23.7 | |
65 | 48 | 340 | 340 | 350 | 240 | 32.0 | |
10.0 | 15 | 10 | 170 | 170 | 158 | 100 | 5.4 |
20 | 13 | 190 | 190 | 163 | 100 | 6.6 | |
25 | 19 | 210 | 210 | 193 | 125 | 9.8 | |
32 | 24 | 230 | 230 | 250 | 160 | 10.5 | |
40 | 31 | 260 | 260 | 250 | 160 | 18.6 | |
50 | 38 | 300 | 300 | 291 | 180 | 27.6 | |
65 | 48 | 340 | 340 | 350 | 240 | 35.0 |
Forged Steel Gate Valve: Customer Feedback, Inspection Standards, and Installation Guide
The Forged Steel Gate Valve is a robust industrial valve engineered for on/off control of liquids, gases, and steam in pipelines. Made from high-strength forged steel, it offers exceptional durability, high-pressure resistance, and long-term operational reliability.
Designed to meet API 600 and ASME B16.34 standards, these valves are widely used in oil & gas, petrochemical, power generation, and water treatment industries, providing tight sealing, smooth operation, and safe pipeline management.
This guide provides a detailed overview of customer feedback, inspection standards, and step-by-step installation instructions, ensuring maximum reliability and performance in industrial applications.
Customers across oil & gas, chemical, and power sectors report that forged steel gate valves deliver excellent performance under high pressure and temperature conditions. Key advantages highlighted include:
Robust construction that withstands harsh environments
Minimal leakage due to precise machining and forged steel material
Ease of operation, even in automated systems with pneumatic or electric actuators
| Feature | Customer Feedback |
|---|---|
| Durability | “The valve has lasted for years under high-pressure steam lines with no degradation.” |
| Sealing Performance | “Leak-free operation ensures safe handling of chemical pipelines.” |
| Ease of Maintenance | “Flanged design allows quick disassembly and inspection, reducing downtime.” |
| Automation Compatibility | “Electric actuators integrate seamlessly, improving pipeline efficiency.” |
Some customers request:
Additional size options for larger industrial pipelines
Customized actuator solutions for automated control
Extended warranty options for long-term operational confidence
Forged steel gate valves undergo rigorous inspection and testing to ensure compliance with international standards and customer requirements.
Chemical Composition: Verified against ASTM, API, or ISO specifications for forged steel
Mechanical Properties: Tensile strength, yield strength, and hardness tested to ensure long-term reliability
Flange alignment, valve face flatness, and stem dimensions are checked
Surface inspection for defects, cracks, or deformations
Hydrostatic Test: Ensures valve body and bonnet withstand rated pressure
Seat Leakage Test: Confirms tight shut-off under rated pressures
Pneumatic Test: Detects any air leakage, especially for high-pressure gas applications
API 600 / ASME B16.34: Compliance with design, manufacturing, and testing standards
ISO 9001: Quality management system certification
CE / PED: Pressure equipment compliance for European markets

Proper installation is critical for ensuring reliable operation and long service life of forged steel gate valves.
Verify valve specifications, pressure rating, and material compatibility with the pipeline
Inspect flanges, gaskets, and fasteners for defects
Ensure pipeline is clean and free of debris
Align Flanges: Position the valve between pipeline flanges with correct orientation
Insert Gaskets: Place recommended gaskets between the valve and pipeline flanges
Install Bolts: Tighten bolts evenly in a crisscross pattern to prevent uneven pressure
Check Alignment: Ensure the valve gate opens and closes smoothly without resistance
Connect Actuator (if applicable): Attach pneumatic or electric actuators per manufacturer instructions
Conduct a hydrostatic or pneumatic test to confirm leak-free operation
Verify actuator functionality for automated systems
Ensure the valve moves fully open and closed without obstruction
Inspect sealing surfaces and stem packing regularly
Lubricate moving parts with manufacturer-approved lubricants
Schedule periodic operational testing to detect early signs of wear
Forged steel gate valves are available in various sizes, pressure classes, and materials to suit diverse industrial needs.
| Parameter | Specification | Notes |
|---|---|---|
| Valve Type | Forged Steel Gate Valve | On/off flow control |
| Nominal Diameter (DN) | DN15 – DN1200 (0.5” – 48”) | Multiple sizes available |
| Pressure Rating | PN10 – PN250 / Class 150 – Class 2500 | Depending on material |
| Material | Forged Steel (ASTM A105, A182 F316) | High strength, corrosion-resistant |
| Seat Type | Metal-to-Metal or Resilient | Ensures tight sealing |
| Temperature Range | -29°C to +550°C (-20°F to +1020°F) | Application-specific |
| End Connection | Flanged, Butt Weld | Easy installation and maintenance |
| Actuation | Manual, Pneumatic, Electric | Optional automation |
Forged steel gate valves are widely used in industries requiring high-pressure, high-temperature, and reliable isolation:
Oil & Gas Pipelines: Crude oil, natural gas, and refined products
Petrochemical Plants: Corrosive and high-temperature chemical transport
Power Generation: Steam, cooling water, and high-pressure circuits
Water Treatment Facilities: Potable water, wastewater, and desalination plants
Industrial Automation: Automated pipelines with electric or pneumatic actuators
The Forged Steel Gate Valve combines robust forged steel construction, tight sealing, and reliable operation, making it a trusted solution for demanding industrial pipelines. By adhering to installation guidelines, inspection standards, and maintenance routines, operators can ensure long-term performance, reduced downtime, and enhanced safety.
Customer feedback consistently highlights its durability, leak-free performance, and compatibility with automated systems, while inspection standards and certification ensure global compliance with API, ASME, and ISO requirements.
Forged steel gate valves are therefore essential for oil & gas, petrochemical, power generation, water treatment, and industrial automation industries, offering high reliability, safety, and operational efficiency.
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