Dhiaa Alameen Co. takes pleasure in collaborating with HOKE Instrumentation to assist customers in optimizing the benefits they derive from a globally renowned provider of instrument valves and fittings.

HOKE fluid control solutions are applicable across a spectrum of uses, extending from wellheads to pipeline transportation and various points in between. The components from HOKE are crafted based on established designs, ensuring exceptional leak-tight performance. Whether your fluid process control needs pertain to oil and gas exploration, offshore platforms, refining, or pipelines, HOKE has the suitable solution.

HOKE® Precision Instrument Pipe Fittings are manufactured with reduced tolerance NPT tapered threads in a wide variety of configurations to provide broad application capabilities.

Ratings and specifications are as follows:


Threads utilised on HOKE® Precision Instrument Pipe Fittings are National Pipe Taper (NPT) which exceed the requirements of ANSI B1.20.1.


Pressure Ratings for temperatures up to 38°C (100°F) are identified for each individual pipe fitting in the dimensional data charts.


Temperatures noted below apply to basic fitting capabilities. In all cases consideration must also be given to the type of thread sealant used. For example, PTFE tape has a maximum temperature rating of 232°C (450°F).

316 Stainless Steel:  -198 to 648°C (-325 to 1200°F) Note: Prolonged exposure to temperature over 426°C (800°F) is not recommended.
Brass:  -198 to 204°C (-325 to 400°F)


Materials: HOKE® Precision Instrument Pipe Fittings are available as standard in Brass and 316 Stainless Steel. HOKE® Pipe Fittings can also be supplied in other materials including Monel®, Hastelloy® C276, Inconel®, Incoloy®, Duplex, Super Duplex and Titanium, as well and in special shapes. Specifications for standard materials are:

316 Stainless Steel Forgings: ASTM A-182
316 Stainless Steel Bar Stock: ASTM A-479
Brass Forgings, Alloy 377: QQ-B-626
Brass Bar Stock, Alloy 353: ASTM B-453
or Alloy 360: QQ-B-626

HOKE provides an extensive range of instrumentation and sampling products along with comprehensive solutions:

1: ABV 2-Way & 3-Way Ball Valve:

For demanding process applications, that handle corrosive and hazardous media, the two and three-way ball valves offer extended service life, reduced fugitive emissions, and superior sealing, in a compact body.

SIZE RANGE 1⁄8″, 1⁄4″, 3⁄8″, 1⁄2″, 6mm, 8mm, 10mm, 12mm
END CONNECTIONS : tube connections Female & Male NPT connections
ORIFICE : 1/8″, 1/4″, 5/16″ (3-way), 3/8″ (2-way)

2 : Tube Fittings:

Product range:
  • Connects Tubing to Female Thread.
  • Connects Two or More Tubes Together.
  • Connects Tubing to Male Thread.
  • Connects Tubing to 37° Flare.
  • Connects Tubing to Welded System.
  • Reducer Fitting.
  • Caps and Plugs.


Dhiaa Alameen Co. and GO REGULATOR present a comprehensive collection of standard and specialized pressure regulators, diaphragm valves, and filters.

Our product range includes

  • Diaphragm Valves
  • Pressure Regulators
  • Filters


Analytical Instrumentation

2-way on/off control
Metal-to-metal seals to atmosphere to prevent leakage
Wide variety of materials for virtually all applications
No dynamic O-rings, springs, or lubricant in wetted flow path to eliminate sample contamination
Very low internal volume (0.16 cc)*
Manual ¼-plus turn or pneumatic actuation
Pressures from vacuum (50 torr) to 3600 psig (248 bar)

This filter is designed to be used as a standard in-line filter or it may easily be threaded into a pressure regulator or valve body for inlet protection
Maximum Temperature: (232° C)
Operating Inlet Pressure 6,000 psig

  • Back Pressure, Pressure Regulators
  • Cylinder, Pressure Regulators
  • Pressure Regulators, Single Stage
  • Dome Loaded, Pressure Regulators
  • High Pressure, Pressure Regulators