8000 Series

Company Name : Low Flow

Specification

Sizes:

  • 1/2″ – 2″ (DN15 – DN50)

End Connections

  • NPT, BSPT
  • Raised-face flanges (ANSI, DIN, JIS)
  • Ring-type joint flanges
  • Socket weld (schedule 40, 80, or 160)
  • Bolt-thru flanged (plastic body only)
  • Special connections upan request

Actuator (see maximum allowable LlP charts)

  • Standard – multi-spring (35M, 55M, 85M)

Body Style

  • 2-way globe
  • 2-way angle (to 1″/DN25)
  • 3-way globe

Bonnet Type:

  • Standard screwed
  • 8″ extended (cryogenic)
  • Multi-ply bellows seal
  • Extended multi-ply bellows seal

Trim Material

  • 316SST seat & stem / 17-4 pH SS plug
  • 316SS seat, stem and plug
  • 316SS / Stellite
  • Monel
  • Hastelloy C
  • Alloy 20
  • Stellite
  • Kynar
  • PVC
  • Other materials

Actuator Material: 35M/55M/85M – steel ; optional – nickel plated steel and 304SS

Diaphragm Material: Buna-N/Nylon

Stem Packing

  • Alloy bodies: Teflon V-ring; graphite/grafoil (use of posi­ tioners recommended and required far bellows stem seal*)
  • Plastic bodies: Teflon V-ring positioner required with Vitan bonnet gasket; Teflon V-ring with Buna-N bonnet gasket

Service: high pressure chemicals , steam, air, gas, oil, water

Shutoff

  • Standard – ANSI Class 111 (Cv’s < 3.5 / Kv’s < 3,0) or ANSI Class IV (Cv’s 3.5 and higher / Kv’s 3,0)
  • Optional – ANSI Class VI with soft RPTFE seats (consult factory far other soft seat material options)

Ranges: 3-15 psi or 6-30 psi (0,21-1 ,03 or 0,41-2 ,07 bar)

Action

  • Direct (air signal clases valve)
  • Reverse (air signal opens valve)

Flow Characteristics: Equal percentage , linear, quick opening

Positioners: Pneumatic , electro-pneumatic and digital positioners on al 1 sizes and actuators; contact factory far mounting positioners on PVC or Kynar valves

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