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Ralston Compressed Gas Control

Ralston Compressed Gas Control

Ralston Instruments Compressed Gas ControlRalston Instruments Compressed Gas Control

Precision Compressed Gas Control for Demanding Applications

Experience unmatched precision and reliability with the Ralston Instruments Compressed Gas Control, now available through Transcat. Designed for professionals who demand accuracy, safety, and performance, this cutting-edge gas control solution is essential for pressure calibration, leak testing, and fluid distribution applications. Whether you're working in aerospace, energy, oil and gas, or pharmaceuticals, the Ralston Instruments Compressed Gas Control provides the highest level of control in regulating, measuring, and adjusting compressed gas flow.

Unmatched Precision

Ralston Instruments are renowned for their accuracy, ensuring precise control over gas flow and pressure even in the most sensitive applications. Fine-tuned controls guarantee consistent output, ideal for calibration labs and field technicians alike.

Durability and Build Quality

Built with rugged, corrosion-resistant materials, these instruments are designed to withstand harsh environments and frequent use. The compact, portable design allows for easy transport and fieldwork without compromising on performance.

Wide Pressure Range

Whether you're working with low-pressure or high-pressure gas systems, Ralston Instruments provides versatile options to meet a wide range of pressure requirements, from atmospheric to thousands of PSI.

Exceptional Compatibility

Ralston gas control systems are designed to be compatible with a broad range of gases, including nitrogen, helium, argon, and more, making them a versatile tool in any technician's kit.

 

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Showing 1-25 of 44
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  1. Ralston Instruments QSCM-2FSA-20-2 Manifold, 1/4"FNPT Gauge Adaptor
    Ralston Instruments QSCM-2FSA-20-2 QSCM Manifold, 1/4" FNPT Gauge Adaptor, 20ft, 2ft Hoses, Bag QSCM Manifold,1/4"FNPT Gauge Adaptor,20ft,2ft Hoses,Bag
    Order #: QSCM-2FSA-20-2
    Mfg #: QSCM-2FSA-20-2
    Availability: In stock
    $1,533.63
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    QSCM Manifold,1/4"FNPT Gauge Adaptor,20ft,2ft Hoses,Bag Learn More
  2. Ralston Instruments QTCM Nitrogen Calibration Manifold
    Ralston Instruments QTCM Nitrogen Calibration Manifold Nitrogen Calibration Manifold
    Order #: QTCM-1MBA-20-2
    Mfg #: QTCM-1MBA-20-2
    Availability: In stock
    Special Price $1,029.28 Regular Price $1,029.29
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    Nitrogen Calibration Manifold Learn More
  3. New
    Ralston Instruments QTVC-EN-0000-0-0 ControlPak Pres Contlr,no gauge adapt,hose, or process conn
    Ralston Instruments QTVC-EN-0000-0-0 ControlPak Pressure Controller, No Gauge, Adapter, Hose or Process Connection ControlPak Press.Controller,No Gauge,Adapt.,Hose or Proc.Conn.
    Order #: QTVC-EN-0000-0-0
    Mfg #: QTVC-EN-0000-0-0
    Availability: In stock
    $3,464.25
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    ControlPak Press.Controller,No Gauge,Adapt.,Hose or Proc.Conn. Learn More
  4. Ralston Instruments QTVC-0000-0-0 Volume Controller only
    Ralston Instruments QTVC-0000-0-0 Volume Controller only Volume Controller only,no Gauge Adaptr,noHoses,No Conn.
    Order #: QTVC-0000-0-0
    Mfg #: QTVC-0000-0-0
    Availability: In stock
    Special Price $2,829.94 Regular Price $2,829.95
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    Volume Controller only,no Gauge Adaptr,noHoses,No Conn. Learn More
  5. Ralston Instruments QTCM-2MBA-20-2
    Ralston Instruments QTCM-2MBA-20-2 QTCM Manifold, 1/4" MNPT Gauge Adapter, 20', 2' Hoses, NylonBag QTCM Manifold,1/4"MNPT Gauge Adapter,20ft,2ft Hoses,NylonBag
    Order #: QTCM-2MBA-20-2
    Mfg #: QTCM-2MBA-20-2
    Availability: In stock
    $1,034.88
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    QTCM Manifold,1/4"MNPT Gauge Adapter,20ft,2ft Hoses,NylonBag Learn More
  6. Ralston Instruments NPAK-3KPSIG-FL NPAK, 3KPSIG FieldLab Pressure Calibration Kit
    Ralston Instruments NPAK-3KPSIG-FL NPAK, 3KPSIG FieldLab Pressure Calibration Kit NPAK, 3KPSIG FieldLAb Pressure Calibration Kit
    Order #: NPAK-3KPSIG-FL
    Mfg #: NPAK-3KPSIG-FL
    Availability: In stock
    Special Price $12,625.09 Regular Price $12,625.10
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    NPAK, 3KPSIG FieldLAb Pressure Calibration Kit Learn More
  7. Ralston Instruments QTVC Compressed Gas Volume Controllers
    Ralston Instruments QTVC Compressed Gas Volume Controllers Compressed Gas Volume Controllers
    Order #: QTVC
    Mfg #: QTVC
    Availability: Call for Availability
    $2,564.35
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    Compressed Gas Volume Controllers Learn More
  8. New
    Ralston Instruments QTVC-EN-KIT5-GR ControlPak Pressure Controller, 3000 psi FieldLab
    Ralston Instruments QTVC-EN-KIT5-GR ControlPak Pressure Controller, 3000 psi FieldLab ControlPak Pressure Controller, 3000 psi FieldLab
    Order #: QTVC-EN-KIT5-GR
    Mfg #: QTVC-EN-KIT5-GR
    Availability: Ships in 3-4 weeks
    $7,846.80
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    ControlPak Pressure Controller, 3000 psi FieldLab Learn More
  9. New
    Ralston Instruments QTVC-EN-KIT5-GP ControlPak Pressure Controller, 1000 psi FieldLab
    Ralston Instruments QTVC-EN-KIT5-GP ControlPak Pressure Controller, 1000 psi FieldLab ControlPak Pressure Controller, 1000 psi FieldLab
    Order #: QTVC-EN-KIT5-GP
    Mfg #: QTVC-EN-KIT5-GP
    Availability: Ships in 3-4 weeks
    Special Price $7,543.57 Regular Price $7,543.58
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    ControlPak Pressure Controller, 1000 psi FieldLab Learn More
  10. New
    Ralston Instruments QTVC-EN-KIT4-GR ControlPak Pressure Controller, 3000 psi LC20 press gauge
    Ralston Instruments QTVC-EN-KIT4-GR ControlPak Pressure Controller, 3000 psi LC20 pressure gauge ControlPak Pressure Controller, 3000 psi LC20 press gauge
    Order #: QTVC-EN-KIT4-GR
    Mfg #: QTVC-EN-KIT4-GR
    Availability: Ships in 3-4 weeks
    $5,193.87
    Save item Compare
    ControlPak Pressure Controller, 3000 psi LC20 press gauge Learn More
  11. New
    Ralston Instruments QTVC-EN-KIT4-GP ControlPak Pressure Controller, 1000 psi LC20 press gauge
    Ralston Instruments QTVC-EN-KIT4-GP ControlPak Pressure Controller, 1000 psi LC20 pressure gauge ControlPak Pressure Controller, 1000 psi LC20 press gauge
    Order #: QTVC-EN-KIT4-GP
    Mfg #: QTVC-EN-KIT4-GP
    Availability: Ships in 3-4 weeks
    Special Price $5,198.98 Regular Price $5,198.99
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    ControlPak Pressure Controller, 1000 psi LC20 press gauge Learn More
  12. New
    Ralston Instruments QTVC-EN-KIT3-GR ControlPak Pressure Controller, 3000 psi LC10 press gauge
    Ralston Instruments QTVC-EN-KIT3-GR ControlPak Pressure Controller, 3000 psi LC10 pressure gauge ControlPak Pressure Controller, 3000 psi LC10 press gauge
    Order #: QTVC-EN-KIT3-GR
    Mfg #: QTVC-EN-KIT3-GR
    Availability: Ships in 3-4 weeks
    $4,934.25
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    ControlPak Pressure Controller, 3000 psi LC10 press gauge Learn More
  13. New
    Ralston Instruments QTVC-EN-KIT3-GP ControlPak Pres Controller,LC10 pres gauge, gauge connection
    Ralston Instruments QTVC-EN-KIT3-GP ControlPak Pressure Controller, LC10 pres gauge, gauge connection ControlPak Pres Controller,LC10 pres gauge, gauge connection
    Order #: QTVC-EN-KIT3-GP
    Mfg #: QTVC-EN-KIT3-GP
    Availability: Ships in 3-4 weeks
    $4,934.25
    Save item Compare
    ControlPak Pres Controller,LC10 pres gauge, gauge connection Learn More
  14. New
    Ralston Instruments QTVC-EN-KIT2-2M-1M ControlPak vol control,1/4"BSPP and 1/2" BSPP gauge connection
    Ralston Instruments QTVC-EN-KIT2-2M-1M ControlPak Pressure controler, 1/4" BSPP and 1/2" BSPP gauge connection ControlPak vol control,1/4"BSPP and 1/2" BSPP gauge connection
    Order #: QTVC-EN-KIT2-2M-1M
    Mfg #: QTVC-EN-KIT2-2M-1M
    Availability: Ships in 3-4 weeks
    Special Price $3,912.01 Regular Price $3,912.02
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    ControlPak vol control,1/4"BSPP and 1/2" BSPP gauge connection Learn More
  15. Ralston Instruments QTVC-500PSIG-FL Calibration Kit,500PSI/35bar/3.5mPa Fieldlab,QTVC Vol.Cntrlr
    Ralston Instruments QTVC-500PSIG-FL Calibration Kit, 500PSI/35bar/ 3.5mPa Fieldlab, QTVC Volume Controller Calibration Kit,500PSI/35bar/ 3.5mPa Fieldlab,QTVC Vol.Cntrlr
    Order #: QTVC-500PSIG-FL
    Mfg #: QTVC-500PSIG-FL
    Availability: Ships in 3-4 weeks
    $6,909.27
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    Calibration Kit,500PSI/35bar/ 3.5mPa Fieldlab,QTVC Vol.Cntrlr Learn More
  16. Ralston QTVC-3KPSIG-FL FieldLab Pressure Calibration Kit
    Ralston Instruments QTVC-3KPSIG-FL QTVC, 3KPSIG FieldLab Pressure Calibration Kit QTVC, 3KPSIG FieldLab Pressure Calibration Kit
    Order #: QTVC-3KPSIG-FL
    Mfg #: QTVC-3KPSIG-FL
    Availability: Ships in 3-4 weeks
    Special Price $7,212.49 Regular Price $7,212.50
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    QTVC, 3KPSIG FieldLab Pressure Calibration Kit Learn More
  17. Ralston QTVC-1KPSIG-FL FieldLab Pressure Calibration Kit
    Ralston Instruments QTVC-1KPSIG-FL QTVC, 1KPSIG FieldLab Pressure Calibration Kit QTVC, 1KPSIG FieldLab Pressure Calibration Kit
    Order #: QTVC-1KPSIG-FL
    Mfg #: QTVC-1KPSIG-FL
    Availability: Ships in 3-4 weeks
    $6,909.27
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    QTVC, 1KPSIG FieldLab Pressure Calibration Kit Learn More
  18. Ralston QTCM-3KPSIG-FL FieldLab Pressure Calibration Kit
    Ralston Instruments QTCM FieldLab Pressure Calibration Kit, 3K PSIG FieldLab Press.Calibration Kit 3K PSIG QTCM
    Order #: QTCM-3KPSIG-FL
    Mfg #: QTCM-3KPSIG-FL
    Availability: Ships in 3-4 weeks
    Special Price $5,120.59 Regular Price $5,120.60
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    FieldLab Press.Calibration Kit 3K PSIG QTCM Learn More
  19. Ralston QSCM-5KPSIG-FL FieldLab Pressure Calibration Kit
    Ralston Instruments QSCM-5KPSIG-FL QSCM, 5KPSIG FieldLab Pressure Calibration Kit QSCM, 5KPSIG FieldLab Pressure Calibration Kit
    Order #: QSCM-5KPSIG-FL
    Mfg #: QSCM-5KPSIG-FL
    Availability: Ships in 3-4 weeks
    $5,583.00
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    QSCM, 5KPSIG FieldLab Pressure Calibration Kit Learn More
  20. Ralston Instruments QTCM-1MBA-6M-1M
    Ralston Instruments QTCM-1MBA-6M-1M Brass Manifold, 1/8" NPTM with 6m Inlet Hose/1m Outlet Hose, Fine Brass Manifold,1/8"NPTM w/6m Inlet Hose/1m Outlet Hose,Fine
    Order #: QTCM-1MBA-6M-1M
    Mfg #: QTCM-1MBA-6M-1M
    Availability: Ships in 3-4 weeks
    $1,038.51
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    Brass Manifold,1/8"NPTM w/6m Inlet Hose/1m Outlet Hose,Fine Learn More
  21. Ralston Instruments XREG-3KPSIG Pneumatic Pressure Regulator (3K PSI/210bar) Output, 1/4" NPTF Port
    Ralston Instruments XREG-3KPSIG Pneumatic Pressure Regulator (3K PSI/210bar) Output, 1/4" NPTF Port Pneumatic Pressure Regulator(3K PSI/210bar)Output,1/4"NPTF Por
    Order #: XREG-3KPSIG
    Mfg #: XREG-3KPSIG
    Availability: Ships in 3-4 weeks
    Special Price $872.02 Regular Price $872.03
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    Pneumatic Pressure Regulator(3K PSI/210bar)Output,1/4"NPTF Por Learn More
  22. Ralston Instruments QTVC-4FBA-RG-2M-1M QTVC Volume Controller, 1/2" F BSPP Gauge Adapter, 2m, 1m Hoses
    Ralston Instruments QTVC-4FBA-RG-2M-1M QTVC Volume Controller, 1/2" F BSPP Gauge Adapter, 2m, 1m Hoses QTVC Volume Controller,1/2"F BSPP Gauge Adapter,2m,1m Hoses
    Order #: QTVC-4FBA-RG-2M-1M
    Mfg #: QTVC-4FBA-RG-2M-1M
    Availability: Ships in 3-4 weeks
    Special Price $3,218.26 Regular Price $3,218.27
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    QTVC Volume Controller,1/2"F BSPP Gauge Adapter,2m,1m Hoses Learn More
  23. Ralston Instruments QTVC-3FBA-RG-2M-1M QTVC Volume Controller, 3/8" F BSPP Gauge Adapter, 2m, 1m Hoses
    Ralston Instruments QTVC-3FBA-RG-2M-1M QTVC Volume Controller, 3/8" F BSPP Gauge Adapter, 2m, 1m Hoses QTVC Volume Controller,3/8"F BSPP Gauge Adapter,2m,1m Hoses
    Order #: QTVC-3FBA-RG-2M-1M
    Mfg #: QTVC-3FBA-RG-2M-1M
    Availability: Ships in 3-4 weeks
    Special Price $3,202.15 Regular Price $3,202.16
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    QTVC Volume Controller,3/8"F BSPP Gauge Adapter,2m,1m Hoses Learn More
  24. Ralston Instruments QTVC-2FBA-RG-2M-1M QTVC Volume Controller, 1/4" F BSPP Gauge Adapter, 2m, 1m Hoses
    Ralston Instruments QTVC-2FBA-RG-2M-1M QTVC Volume Controller, 1/4" F BSPP Gauge Adapter, 2m, 1m Hoses QTVC Volume Controller,1/4"F BSPP Gauge Adapter,2m,1m Hoses
    Order #: QTVC-2FBA-RG-2M-1M
    Mfg #: QTVC-2FBA-RG-2M-1M
    Availability: Ships in 3-4 weeks
    $3,198.60
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    QTVC Volume Controller,1/4"F BSPP Gauge Adapter,2m,1m Hoses Learn More
  25. Ralston Instruments NPAK-4FBA-RG-2M-1M Nitropak, 1/2" F BSPP Gauge Adapter, 2m, 1m Hoses
    Ralston Instruments NPAK-4FBA-RG-2M-1M Nitropak, 1/2" F BSPP Gauge Adapter, 2m, 1m Hoses Nitropak,1/2"F BSPP Gauge Adapter,2m,1m Hoses
    Order #: NPAK-4FBA-RG-2M-1M
    Mfg #: NPAK-4FBA-RG-2M-1M
    Availability: Ships in 3-4 weeks
    Special Price $8,630.86 Regular Price $8,630.87
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    Nitropak,1/2"F BSPP Gauge Adapter,2m,1m Hoses Learn More
Showing 1-25 of 44
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