Variable Area Flowmeters and Switches From Kobold Instruments

VKP - Plastic Variable Area Flowmeters & Switches

• Meas./Switching range:
  0.5 - 5 GPM ... 5 - 26 GPM (water)
  0.5 - 4.5 GPM ... 3 -20 GPM (oil)
• Fitting.: 1/2" - 1" NPT
• Material: polysulfone
• Max. pressure: 230 PSIG
• Max. temperature: 250 °F
• Accuracy: ± 8 % FS
• Option: reed contact

KSM - All Plastic Variable Area Flowmeters & Switches for Liquids or Gases

• Meas./Switching range:
  0.06 - 0.66...13.2 - 132 GPM (water)
  0.5 - 3 SCFM...60 - 500 SCFM (air)
• Fitting: 1" - 2-1/2" NPT
• Material: trogamid-T, polysulfone
• Max. pressure: 145 PSIG
• Max. temperature: 140 °F
• Accuracy class: ±4% of full scale
• Option: reed contact

BVO - OEM Variable Area Flowmeters w/Switches

• Measuring Range: 0.1-1.0 GPM to 1-13 GPM
• Accuracy: ± 12% Full Scale
• Fitting: 1/4" to 1" NPT Brass or 304 SS
• Max. Temperature: 212 °F
• Maximum Pressure: 145 PSIG

SV - Float Type Variable Area Flowmeters & Switches

• Measuring/Switching range:
  0.075-0.35 to 2.5-40 GPM water
  0.25-1.25 to 10-150 SCFM air
• Fitting: 1/4" - 1-1/4" NPT
• Material: brass, SS
• Max. pressure: 145 PSIG
• Max. temperature: 160°F/240°F
• Accuracy: ± 4% FS
• Option: reed contact

SMN - Flow Switches for Liquids

• Switching range: 0.4 - 13 GPM water
• Switches point at approx 0.25 GPM falling
• Fitting: 1" NPT
• Material: brass or st. st.
• Max. pressure: 3600 PSIG (brass), 5000 PSIG (SS)
• Max. temperature: 250 °F
• Accuracy: ± 5 % FS
• Reed contact

S - All Metal Flow Switches for Liquids or Gases

• Switching range: 0.075 - 0.25...1 -14 GPM (water)
• Fitting: 1/4" - 3/4" NPT
• Material: brass, SS
• Max. pressure: 3600 PSIG (brass), 5000 PSIG (st. st.)
• Max. temperature: 160 °F
• Accuracy: ± 4% FS

SM - High Pressure All-Metal Variable Area Flowmeters & Switches

• Flow vertical or horizontal
• Switching range:0.04 - 0.6...4 - 40 GPM (water)
• Fitting: 1/4" - 1-1/4" NPT
• Material: brass, SS
• Max. pressure: 3600 PSIG (brass), 500 PSIG (SS.)
• Max. temperature: 160°F/240 °F
• Accuracy: ± 4 % FS
• Reed contact

KDV - High Accuracy Glass Tube Rotameter

• Flow Ranges:
  0.01-0.1 GPH to 265-2645 GPH water
  0.025-0.25 SCFH to 670-6700 SCFH air
• Accuracy: ±1.0% FS
• Body Size: 1/2", 1", 1-1/2", 2"
• Max. Pressure: 130 PSIG (1/2"-1-1/2"), 100 PSIG (2")
• Max. Temperature: 140°F- 212°F

VKA - OEM Viscosity-Compensated Variable Area Flowmeters

• Measuring Ranges: 2-6.3 GPH to 8-26 GPM oil
• Fittings: 1/2" or 3/4" NPT
• Material: Brass, Nickel-plated adjustable Switches (standard)
• Viscosity Range: 30-300 cSt
• Temperature Range: -10 to 212 °F
• Maximum Pressure: 3600 PSIG
• Accuracy: ± 4% FS
  (add ± 4% for viscosity changes

VKG - Viscosity Compensating Variable Area Flowmeters & Switches

• Measuring/Switching range: 0.03-0.12 to 2-21 GPM oil
• Fitting: 1/4" NPT
• Material: brass, SS
• Max. pressure: 175 PSIG
• Max. temperature: 240 °F
• Accuracy: ± 5% FS
• Options: reed contact, pointer indicator

VKM - All-Metal Viscosity Compensating Variable Area Flowmeters and Switches

• Measuring/Switching range: 0.03-0.12 to 2-20 GPM oil
• Fitting: 1/4"-1" NPT
• Material: brass, SS
• Max. pressure: 3600 PSIG (brass); 5000 PSIG (st. st.)
• Max. temperature: 240°F
• Accuracy: ± 5% FS
• Options: reed contact, analog output

BVB - Manifold Valves for SV and VKG Variable Area Flowmeters

• Max. flow: 6.5 GPM per complete block valve
• Fitting: 1/2" NPT
• Material: aluminum
• Max. pressure: 235 PSIG
• Max. temperature: 240 °F
• Max. 8 fold

KDM - All-Metal Armored Variable Area Flowmeters

• Measuring/Switching range:
  0.011 - 0.11 GPM ... 44 - 440 GPM (water)
  0.041 - 0.41 SCFM ... 29 - 290 SCFM (air)
• Fitting: 1/2" - 4" ANSI, 1/2" - 2" NPT
• Material: 316-Ti SS
• Max. pressure: 580 PSIG
• Max. temperature: 390 °F
• Accuracy class: +/-1.6% FS, +/-2.5% FS
• Options: contacts, analog output, totalizer