| Model： | ||
| Standard or Nonstandard： | Standard |
|
| Pressure： | HighPressure |
|
| Material： | Forged |
|
| Media： | W.O.G |
|
| Brand Name： | HENGTONG |
| PriceRange： | US $30 - 600 | |
| Structure： | Gate |
|
| Power： | Manual |
|
| Temperature of Media： | LowTemperature |
|
| Port Size： | NPS1/2"~2" |
China (Mainland)
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Cryogenic forged steel gate valve is suitable for repacking under pressure when valve is fully open and is available with aluminium name plate, Grafoil Die Moulded Rings/ PTFE glands and Wound gasket. Gate valves may have a screw-in, union, or bolted bonnet. Screw-in bonnet is the simplest, offering a durable, pressure-tight seal. Union bonnet is suitable for applications requiring frequent inspection and cleaning. It also gives the body added strength. Bolted bonnet is used for larger valves and higher pressure applications.
Features of Forged steel extended body gate valve can be summarized as: 1)Model:Dz41H/Y;2)Nominal diameter: DN3/4"-2"mm;3)Nominal pressure: 150Lb-1500Lb;4)Applicabke temperature: -196-360°C;5)Applicable medium: Liquid ammonia, Liquid nitrogen.
The gate faces can form a wedge shape or they can be parallel. Typical gate valves should never be used for regulating flow, unless they are specifically designed for that purpose. On opening the gate valve, the flow path is enlarged in a highly nonlinear manner with respect to percent of opening. This means that flow rate does not change evenly with stem travel.
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