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HH Series High Pressure Needle Valve
Brand: Hex ValveThe HH Series is a heavy duty, high pressure needle valve that features an industrial strength stem and bonnet and enhanced packing arrangement all designed to handle the tough conditions of high pressure service.
With a multitude of configurations available, you will find a model to meet your varying needs.
The HH Series is produced in 1/8", 1/4", 3/8", 1/2" NPT ends and 1/4", 3/8" and 9/16" cone and threaded ends.
For corrosive or other volatile applications, the HH Series can be specified in a variety of materials including Titanium, Hastelloy® and Inconel®.
Features- Packing Materials: TFE or high pressure graphite
- Backseated bonnets with packing below the stem threads: To eliminate potential thread contamination by the process media, the packing is located below the stem threads
- Non-Rotating Tip (NRT) stem: Provides tight, repeatable shutoff without galling or cross-scoring that occurs on ball type stems
Specifications
Brand
Cone & Thread Inlet
- 1/4” Female High Pressure Cone & Thread
- 1/4” Female Medium Pressure Cone & Thread
- 3/8” Female High Pressure Cone & Thread
- 3/8” Female Medium Pressure Cone & Thread
- 9/16” Female High Pressure Cone & Thread
- 9/16” Female Medium Pressure Cone & Thread
Cone & Thread Outlet
- 1/4” Female High Pressure Cone & Thread
- 1/4” Female Medium Pressure Cone & Thread
- 3/8” Female High Pressure Cone & Thread
- 3/8” Female Medium Pressure Cone & Thread
- 9/16” Female High Pressure Cone & Thread
- 9/16” Female Medium Pressure Cone & Thread
Enclosure, Body Material
- 316 Stainless Steel NACE
- 316H Stainless Steel, Max.
- 316L Stainless Steel NACE
- Hastelloy C, Max.
- Incoloy 800, 825, Max.
- Inconel 600 (Max.)
- Inconel 625 (Max.)
- Stainless Steel (SA-479, 316)
- Titanium Grade 2, Max.
NACE & NIST
- NACE
NPT Inlet
- 1/2” NPT Female
- 1/4” NPT Female
- 1/8” NPT Female
- 3/8” NPT Female
NPT Outlet
- 1/2” NPT Female
- 1/4” NPT Female
- 1/8” NPT Female
- 3/8” NPT Female
Operating Pressure
- psi: 0 to 15,000 (kPa: 0 to 103,421, bar: 0 to 1,034)
Packing Material
- Graphite
- TFE
Stem Material
- 17-4 PH Stainless Steel
- 316 Stainless Steel
- 316H Stainless Steel
- 316L Stainless Steel
- Hastelloy C
- Incoloy 825
- Inconel 600
Welded Inlet
- 1/2” Socket Weld End Female
- 1/4” Socket Weld End Female
- 3/8” Socket Weld End Female
Welded Outlet
- 1/2” Socket Weld End Female
- 1/4” Socket Weld End Female
- 3/8” Socket Weld End Female