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Hoke 7 Series high performance, bi-directional ball valves exceed 50,000 cycles (For best results use a filter upstream to the valve. Dirty, errosive and corrosive fluids may affect the cycle life of the valve, cycle life is based on working pressures less than 150 psig.) with Zero leakage per API 598. The 7 Series includes an energized PTFE stem seal and live loaded seats which require no adjustment over the life of the valve. 2-way valves can be configured for unidirectional flow by replacing standard seat rings with opposing curved disc spring seats. 7 series come standard in 316 stainless steel, and special alloys when requested. A variety of handles and remote actuation packages are available.
Unit of Measure

Specifications

Series

 N/A 7F2
Connections - Inlet1 N/A 1" Tube Socket Weld

Connections - Outlet

 N/A 1" Tube Socket Weld

Body Material

 N/A 316 Stainless Steel

Cv Factor

 N/A 38

Ball Orifice

 N/A 0.88 in
Orifice2 N/A 0.880 in

Maximum Operating Pressure

 N/A 2500 psig at 70° F (172 Bar at 21° C)

Operating Temperature Range

 N/A -20 to +450 ºF-29 to +232 ºC

A

 N/A 3.45 in87.6 mm

E

 N/A 2.61 in66.3 mm

F

 N/A 1 3/4 in44.4 mm

G

 N/A 2.54 in64.5 mm

Cycle Life

 N/A 50000 cycles

Seat Material

 N/A 15% Graphite filled PTFE

Washer Material

 N/A PEEK™

Seal Material

 N/A 15% Graphite filled PTFE

Seat Rings

 N/A FKM (Viton®)

Wetted Components

 N/A 316 Stainless Steel

Actuation Options

 N/A Ergonomic Oval Handle

Actuation Option Material

 N/A 316 Stainless Steel

Cleaning Options

 N/A Standard cleaning per HPS-1 and -2

Ball

 N/A Standard

Features & Benefits

N/A Energized PTFE stem seal

  • Exceeds 50,000 cycles, reducing costs of ownership (For best results use a filter upstream to the valve. Dirty, errosive and corrosive fluids may affect the cycle life of the valve, cycle life is based on working pressures less than 150 psig.)
  • No packing adjustments required, providing operator peace of mind
  • Low operating torque for ease of operation

Live-loaded seats
  • Compensate for wear and temperature cycling with zero leakage, providing excelling durability and reliability. Zero leakage per API 598.
  • Ensure leak tight performance over entire pressure range simplifying ball valve specification and installation, saving time and expense.
  • Optional vented ball equalizes pressure between ball orifice and center body cavity

Static -grounded stem
  • Prevents static discharge for added safety
  • Quarter turn handle provides a visual indication of on/off valve position, improving safety
  • Stem flats provide visual indication of valve position, improving safety
  • Bottom-loaded stem prevents stem blowout for added safety
  • Optional trip-proof or latching / locking handle prevents accidental opening or closing of the valve for greater security and safety
  • Fully encapsulated bolts are protected from the environment, extending valve life and reducing costs

Valves are designed, manufactured and tested in compliance with: ANSI/ASME B16.34 (valves: flanged, threaded, and welding end) (When BI6.34 (option B) is selected, testing is conducted in accordance with these specifications.), API 608 (metal ball valves: flanged, threaded and welding end), API 598 (valve inspection and test), and MSS SP-99 (instrument valves)
  • Industry standards ensure reliability and integrityof components and systems

Top-mount actuators and brackets are designed and manufactured in compliance with ISO 5211 (industrial valve: part-turn actuator attachment)
  • Allow HOKE 7 Series to easily interchange with a wide variety of pneumatic actuators
  • Allow user to easily convert manual valve to pneumatic operation in the field
  • Special High Tolerance NPT Thread

Cleaning Options 

N/A HPS-1 Cleaning procedure to remove oil and grease trom metal valve parts with solvent vapor- and solvent ultrasonic vapor degreasers.
HPS-2 Cleaning procedure to remove dirt, oil, and greasefrom non-metallic parts with non-ionic detergent and water solution.

  • 1 Consult us for additional end connection sizes.
  • 2 Orifice diameter and flow rate listed for the total valve. The most restrictive orifice may be either the ball or the end connection orifice.
    Dimensions for reference only, subject to change.

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