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INSTRUMENTATION COMPONENTS
Fluid Control Components

CVH Series - Check Valves

CVH Series
Features & Specifi cations
  • Rapid response
  • Resilient o-ring seat provides cushioned, noise-free closing and zero leakage
  • Floating o-ring design: o-ring is continually cleaned so contaminants do not prevent sealing
  • Various materials of construction can be used with any liquid or gas service
  • Various end connections can be assembled in any system or application
  • Spring-loaded poppet can be mounted in any orientation
  • Full fl ow with minimal restriction for maximum Cv rates
  • Virtually maintenance free for maximum dependability
  • Pressures up to 6000 psig (414 bar)
  • Cracking pressure range is 0.5 to 20 psig (0 to 1 bar) ±10%
  • Flow up to 7.4 Cv maximum
  • Greater than 100,000 life cycles
  • Special High Tolerance NPT Thread
Technical Data
Body Material* 316 stainless steel, Monel® R-405,
Hastelloy® C-276
Operating Pressure Range 0 to 6000 psig (414 bar)
Temperature Range** -65° F to +550° F (-54° C to +288° C)
CV factors 0.32 to 7.4
Cracking Pressure Range 0.5 to 20 psig (0.035 to 1.379 bar) ± 10%
Leakage External: zero
Internal: Soft seat = zero
Connection sizes 1⁄8˝ to 1˝; 6mm to 25mm
Life Cycles In excess of 100,000 cycles
* Consult factory for other materials
** Limited to +400° F (204° C) for ¾” / 12 mm sizes and higher

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6100 & 6200 Series - Ball and Poppet Check Valves

6100 & 6200 Series
Features
  • O-ring seat provides leak-tight shutof
  • Internal design guides flow around or inside spring, not through coils, when valve is open
  • All models are tested in production to assure a leak-tight body joint and seat
  • Ball and poppet designs are available as standard
  • Ball type provides effective leak-tight closure with minimum flow resistance
  • Poppet models provide large flows with a minimum of chatter and fluctuation
  • Valves are available with various cracking pressures, from 1⁄3 to 25 psig
  • 2-piece body permits interchangeability of end connections
  • Special High Tolerance NPT Thread
Applications
  • Prevents reversed flow to protect solenoids, regulators, and pumps
  • Locks pressure in hydraulic cylinders
  • Low-pressure inline relief valve
  • Vent valve to purge a system
Technical Data
Body Material* 316 stainless steel, brass, Monel®
Maximum Operating Pressure
Brass: 3000 psig @ 70° F (414 bar @ 21° C)
Stainless steel, Monel®: 6000 psig @ 70° F
(414 bar @ 21° C)
Standard cracking pressure : 2 psig
Operating Temperature Range
  • Buna N: -40° F to +200° F (-40° C to +93° C)
  • Viton®: -20° F to +350° F (-29° C to +177° C)
  • Orifice Sizes 0.187” (4.75mm), 0.422” (10.7mm)
  • Cv Factors 0.3, 2.4

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R6000 Series - Right Angle Relief Valve

R6000 Series

Available in low, medium, high and extra high-pressure models, R6000 right angle relief valves provide users with high accuracy and consistency of cracking and reseat pressures. Furthermore, narrow pressure ranges (cracking pressures) for each model can be factory pre-set according to customer specifications. PED certification and CE marking are standard for all models. All R6000 relief valves are offered with multiple end connections to ensure application versatility.

Typical Applications
  • Beverage dispensing equipment
  • Gas pilot plants
  • Petrochemical test labs
  • Off shore oil platform heating lines
  • Pharmaceutical sterilization and packaging systems

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6300 Series - Micron Filters

6300 Series
Choice of in-line, removable, or bypass filter models
  • NPT female and Gyrolok® tube fitting connections
  • Variety of micron filtering ranges from 2 to 55μ
  • Filter elements are available in 316 stainless steel
  • Filter elements are easily replaced
  • Bypass models permit purging and sampling of process fluid
  • Bodies available in brass and 316 stainless steel
  • Special High Tolerance NPT Thread
Applications
  • Trap foreign particles
  • Protect sensitive equipment
  • System purging
  • Pressure damper

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1500 Series - Forged Body Toggle Valves

1500 Series - Forged Body Toggle Valves

Featuring a simple, reliable design concept, this low-maintenance valve is well suited for a wide variety of applications. The toggle handle provides easy on-off operation and visual indication of flow.

Typical Applications
  • Chromatographs and mass spectrometers
  • Manometer shutoff valves
  • Air lines
  • Instrument panels

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6600 Series - Bleed Valves

6600 Series - Bleed Valves
HOKE 6600 Series bleed valves allow for quick, easy manual bleed-off of system pressure. These valves come in a variety of configurations, including straight, elbow, union, and tee.

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6800 Series - Gauge Valves

6800 Series
Features Technical Data
  • Corrosion-resistant bar stock 316 stainless steel bodies
  • Packing below stem threads prevents contamination and wash away of thread lubricants to assure long valve life
  • Hardened 17-4 PH 2-piece , non-rotating stem point minimizes seat galling and provides an excellent metal-to-metal seat for positive shutoff
  • Low profile bonnet assembly and large diameter stem reduces damage to bonnet and stem assembly
  • Roll pin locks bonnet in the valve body to prevent accidental removal
  • Choice of 53⁄8 ̋ long body for standard process use or 73⁄8 ̋ body for insulated piping applications
  • Three outlets meet individual gauge requirements
  • Polyethylene cap protects stem and bonnet from external damage
  • Rugged large handle provides easy grip and control
  • All models are stamped with maximum operating pressures on valve body
  • High temperature packing is available on special order
  • Special High Tolerance NPT Thread

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