描述
產品型號：2800 series
生產廠商：HOKE Incorporated
產品簡介：
附件一
2800 Series Forged Body Needle Valves
|
For the most severe service applications, these valves feature a stem backseat for safety, a long cycle life with high temperature capability to 700° F [370° C], and a union bonnet for safe, convenient maintenance.
Typical Applications
- High temperature service to 700° F [370° C]
- Corrosive handling
- Reactive and hot condensates
|
Features & Benefits
- Safety
- Integral stem backseat
- Union bonnet design
- High temperature service
- Grafoil® packing ring located below stem threads extends service to 700° F [370° C]
- Extended cycle life
- 17-4PH stainless steel hardened stem with dry film lubricant on threads and hardened thread gland for increased thread life
- Nonrotating hardened stem tip prevents galling
- Reliability
- All valves are tested for bubble-tight leakage at both seat and packing
- Installation variety
- Choice of HOKE GYROLOK® tube fittings, female NPT, or tube socket weld connections
- Panel mounting
- Panel mounting is standard on all models
- Special High Tolerance NPT Thread
|
Technical Data
Maximum Operating Pressure
Grafoil® packing:
• 4000 psig @ 70° F [276 bar @ 21° C]
• 2500 psig @ 700° F [172 bar @ 370° C]
Dyna-Pak® packing:
• 5000 psig @ 70° F [345 bar @ 21° C] |
Operating Temperature Range
Grafoil® packing
−100° to +700° F [−75° to +370° C]
Dyna-Pak® packing
−40° to +450° F [−40° to +232° C] |
Orifice Size
0.312″ (7.9 mm) |
Cv Factor
1.10 |
|
