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What does "800#" mean in the context of forged steel valves?
In the context of forged steel valves, "800#" refers to the pressure rating or class designation assigned to these specific valves. The number "800" signifies the pressure capability of the valve, indicating that it can withstand pressures of up to 800 pounds per square inch (psi) during operation. Pressure ratings are essential for valve selection as they determine the valve's suitability for different applications and working conditions. A higher pressure rating, such as 800#, indicates that the 800 Forged Steel Valve is designed to handle more demanding and high-pressure environments than valves with lower pressure ratings. This designation provides valuable information to engineers, technicians, and buyers, enabling them to choose the appropriate valve that meets the pressure requirements of their industrial processes or systems.
What are the key characteristics that distinguish forged steel valves from other types?
Forged steel valves possess several key characteristics that set them apart from other valves. Their construction involves a forging process, which imparts superior strength and durability to the valve body. This forging method ensures a dense and homogeneous grain structure, making Forged Steel Valves highly resistant to pressure, temperature fluctuations, and mechanical stress. Their design typically incorporates a compact and streamlined form, allowing for easy installation and maintenance in various piping systems.
Forged steel valves are well-suited for high-pressure applications due to their exceptional performance in handling elevated pressures and preventing leaks. Additionally, they exhibit excellent resistance to corrosion and wear, making them suitable for use with various aggressive or corrosive media. Their robustness, reliability, and resistance to harsh operating conditions make forged steel valves a preferred choice in industries such as oil and gas, petrochemicals, power generation, and refining, where safety and performance are paramount concerns.
| Design Standards | API 602, BS 5352, ASME B16.34, BS 6364, MSS SP84 |
|---|---|
| Size | 1/2" to 2" (8 mm to 50 mm) |
| ASME Class | Class 800 |
| Material | Offering including A105, F11, F22, LF2, F304, F304L, F316, F316L. |
| Ends | Screwed End, Socket Weld End, Butt Weld End |
| Media | Air, Gas, Water |
| Body construction | Closed Die Forging |
| Bore Construction | Full & Standard Bore |
| Hand Wheel | Ductile Iron / S.G. Iron / Carbon Steel |
| Bolts / Stud & Nuts | ASTM A 193 GR. B7 / A 194 GR. 2H |
| Application & uses |
Power Plants Process Industries Petrochemical Plants Refineries Fertilizers Plants Distillery Plants Sugar Industries Water, Steam, Gas, Oil & Other Non-aggressive media |
| SIZE (mm) | 15 | 20 | 25 | 32 | 40 | 50 | |
|---|---|---|---|---|---|---|---|
| L | 80 | 88 | 100 | 124 | 145 | 170 | |
| ∅b | 5 | 6.5 | 8.5 | 12 | 15 | 18.5 | |
| ~∅HW | 82 | 90 | 96 | 114 | 155 | 155 | |
| ~H | 140 | 155 | 172 | 198 | 235 | 270 | |
| C | 17 | 18 | 21 | 21 | 23 | 24 | |
| Rc | 1/2" | 3/4" | 1" | 1-1/4" | 1-1/2" | 2" | |
| ∅SW | AS PER ASME B16.11 | 22.2 | 27.6 | 34.3 | 43.1 | 49.2 | 61.7 |
| 21.8 | 27.2 | 33.9 | 42.7 | 48.8 | 61.2 | ||
| D | 11 | 14 | 14 | 14 | 14 | 17 | |
800# Forged Steel Valves in Distillery Plants
800# Forged Steel Valves in Sugar Industries
800# Forged Steel Valve in Process Industries
800# Forged Steel Valve in Power Plants
800# Forged Steel Valve in Refineries
800# Forged Steel Valve in Petrochemical Plants
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Your #1 Source for Class 800 Forged Steel Valve
Class 800 Forged Valve Stock Availability
800# Forged Steel Gate Valve
This compact gate valve design (body and hood) uses forgings to create the pressure-bearing components. suitable for installation in refineries, chemical, petrochemical, oil industry processes, or other places where flow diversion is necessary when corrosion or erosion occurs.
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800# Forged Steel Globe Valve
Forged steel globe valves with screwed and flanged ends have bolted bonnets, outside screw and yoke type, rising spindle & non-rising hand wheel construction, and pressure ratings of 800 and 2500 class in regular (reduced) port. These valves are available in sizes from 1/2" (DN15) to 2" (DN50) to suit a variety of critical and non-critical applications. Forge Globe Valves are offered in Cryogenic Service, Bolted Bonnet Design, Pressure Seal Bonnet Design, and Welded Bonnet Design.
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800# Forged Steel Check Valve
High pressure and high temperature applications are suited for forged steel check valves. These valves are non-return valves, which only permit one direction of flow. The lift type, spring-loaded check valves made of forging are available in two types: plug type and ball type. The majority of the time, forged check valves have a welded or a bolted bonnet and a full or standard bore.
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800# Forged Steel Ball Valve
Pipeline applications need for all-welded forged steel ball valves. Through the combination of an all-welded forged steel body, which does not require longitudinal welds, and a system of double seals in all seal assemblies, including the seat seal assembly, they ensure safe flow stoppage.
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800# Forged Steel Needle Valve
Cast steel With a rising stem and hand wheel, the needle (regulating) valve comes standard with a reusable seat. By turning and lifting the hand wheel and using the stem to propel the lift of the disc, it prevents pipeline flow. Between the disc and the body sealing surface, there is no relative friction. Needle (Regulating) valves have the advantage of having a long lifespan when opening and shutting, and they can be utilised as a shut-off valve for small-size pipelines.
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