The new Hoke 2219 Needle Valve is an excellent choice for many steam- and severe service applications. Grafoil® packing below the stem threads provides exceptional service at temperatures up to +1000° F [+538° C]. The non-rotating 316 stainless steel stem tip prevents galling.
Typical Applications
Steam service in power plants
Hot condensates
Features & Benefits
Meets ANSI 900# specifications
Grafoil® packing below threads isolates threads from media.
Non-rotating stem tip prevents galling
High pressure / high temperature use
All standard components are 316 stainless steel
Standard 316 stainless steel cast handle
Fractional end connections available up to 1″; metric end connections up to 25mm
Gyrolok®, female NPT, pipe, or tube socket weld end connections
Bubble-tight leak testing at both seat and packing
Special High Tolerance NPT Thread
Technical Data
Body Material
316 stainless steel, carbon steel, Hastelloy® C-276 and Monel®
Maximum Operating Pressure
6000 psig @ 70° F [414 bar @ 21° C]
Proof Pressure Safety Factor
2:1
Burst Pressure
4:1
Temperature Range
−100° F to +1000° F @ 1750 psig max.
[−75° C to +538° C @ 120 bar max.]
Orifice Sizes
0.170″, 0.250″, 0.312″, and 0.437″
[4.3 mm, 6.4 mm, 7.9 mm, and 11.1 mm]
Cv Factors*
0.47, 1.09, and 1.20
* Cv factor for 0.437” orifice not available at time of publication
