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Gauges

RPI | 200 Series

STAINLESS X BRASS PRESSURE GAUGE

GENERAL PURPOSE / COST-EFFECTIVE SERVICE

General-purpose pressure gauge designed for reliable measurement in standard industrial and oil and gas applications. Built with a stainless steel case and brass internals, it provides corrosion resistance with cost-effective performance. Ideal for applications requiring dependable readings across a wide pressure range.

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Highlights
  • Dial sizes 1-1/2″, 2″, 2-1/2″, and 4″; connection sizes 1/8″, 1/4″, 3/8″, and 1/2″ NPT
  • Lower mount and center back connection types available
  • SS304 polished case and ring; brass NPT connection and movement
  • Phosphorus bronze Bourdon tube; polycarbonate or tempered glass window
  • Dry, glycerin, or silicone fill options
  • Pressure range VAC to 15,000 PSI; accuracy 1.6% / 1.0%
  • Backed by 30 years of RPI instrumentation expertise
Application
  • General industrial and oil and gas production pressure monitoring
  • Pipeline, compressor, and process equipment instrumentation
  • Field installations requiring a reliable general-purpose pressure gauge
  • Applications requiring a cost-effective stainless case gauge with brass internals
RPI | 300 Series

STAINLESS X STAINLESS PRESSURE GAUGE

CORROSIVE SERVICE / ALL-STAINLESS CONSTRUCTION

All-stainless pressure gauge designed for corrosive and demanding industrial environments. Built for durability and compatibility with aggressive media, it delivers consistent and accurate pressure measurement. Ideal for applications requiring enhanced corrosion resistance and long service life.

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Highlights
  • Dial sizes 1-1/2″, 2″, 2-1/2″, and 4″; connection sizes 1/8″, 1/4″, 3/8″, and 1/2″ NPT
  • Lower mount and center back connection types available
  • SS304 polished case and ring; SS316 NPT connection; SS304 movement
  • SS316L Bourdon tube for corrosive media compatibility
  • Polycarbonate or tempered glass window; dry, glycerin, or silicone fill
  • Pressure range VAC to 15,000 PSI; accuracy 1.6% / 1.0%
  • Full stainless construction for superior corrosion resistance in demanding service
Application
  • Corrosive and sour gas service on oil and gas production and processing equipment
  • Chemical and petrochemical process piping instrumentation
  • Offshore and coastal installations requiring full stainless wetted parts
  • Applications where standard brass internals are incompatible with the process media
RPI | 200 / 300 Series

FRONT FLANGE PANEL MOUNT GAUGE

PANEL MOUNT / FRONT FLANGE DESIGN

Panel mount pressure gauge designed for flush installation in control panels and enclosures. Built with a front flange configuration, it provides secure mounting and clear visibility for operators. Ideal for applications requiring integrated instrumentation and clean panel layouts.

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Highlights
  • Front flange panel mount configuration for flush installation in control panels
  • Available in stainless x brass (200 Series) and stainless x stainless (300 Series)
  • Dial sizes 1-1/2″, 2″, 2-1/2″, and 4″; connection sizes 1/8″, 1/4″, 3/8″, and 1/2″ NPT
  • Lower mount and center back connection types; SS304 polished case and ring
  • Brass or SS316L movement; phosphorus bronze or SS316L Bourdon tube
  • Polycarbonate or tempered glass window; dry, glycerin, or silicone fill
  • Pressure range VAC to 15,000 PSI; accuracy 1.6% / 1.0%
Application
  • Control panel and instrument enclosure pressure monitoring
  • Skid-mounted equipment and packaged process systems requiring panel gauges
  • Oil and gas production and processing facilities with panel-mounted instrumentation
  • Applications requiring a flush-mounted gauge with standard stainless case construction
RPI | 200 / 300 Series

CENTER BACH MOUNT U CLAMP GAUGE

PANEL MOUNT / U-CLAMP BACK MOUNT

Panel-mounted pressure gauge designed for secure installation using a rear U clamp configuration. Built to resist vibration and mechanical disturbance, it maintains stable and accurate readings. Ideal for applications requiring firm mounting in dynamic operating environments.

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Application
  • Oil and gas production and processing equipment requiring vibration-resistant instrumentation
  • Panel and surface mount applications requiring a secure, retained gauge installation
  • Vibration-prone installations on compressors, pumps, and rotating equipment
  • Field installations where standard lower mount gauges are subject to mechanical disturbance
Highlights
  • U clamp center back mount for secure, vibration-resistant panel or surface installation
  • Available in stainless x brass (200 Series) and stainless x stainless (300 Series)
  • Dial sizes 1-1/2″, 2″, 2-1/2″, and 4″; connection sizes 1/8″, 1/4″, 3/8″, and 1/2″ NPT
  • SS304 polished case and ring; brass or SS316 NPT connection
  • Brass or SS316L movement; phosphorus bronze or SS316L Bourdon tube
  • Polycarbonate or tempered glass window; glycerin or silicone fill
  • Pressure range VAC to 15,000 PSI; accuracy 1.6% / 1.0%
RPI | 140 Series

UTILITY PRESSURE GAUGE

GENERAL PURPOSE / STANDARD SERVICE

Utility pressure gauge designed for general-purpose monitoring where basic accuracy and cost efficiency are priorities. Built for standard service conditions, it provides reliable performance across a broad pressure range. Ideal for non-critical applications requiring simple and effective pressure indication.

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Highlights
  • Dial sizes 1.5″, 2″, 2-1/2″, and 3″; connection sizes 1/8″, 1/4″, 3/8″, and 1/2″ NPT
  • Lower mount and center back connection types available
  • Mild steel case and ring; brass NPT connection and movement
  • Phosphorus bronze Bourdon tube; acrylic or common glass window
  • Dry fill standard; pressure range VAC to 15,000 PSI
  • Accuracy 2.5% / 2.0% / 1.6% / 1.0% options available
  • Cost-effective solution for general purpose and non-critical pressure monitoring
Application
  • General purpose pressure monitoring on utilities and non-critical process equipment
  • Low-cost instrumentation for temporary or non-critical field applications
  • Air, water, and gas service requiring basic pressure indication
  • Applications where the service environment does not justify stainless case gauges
RPI | 470 Series

PROCESS PRESSURE GAUGE

HIGH ACCURACY / CRITICAL PROCESS SERVICE

Process pressure gauge designed for high-accuracy measurement in demanding industrial applications. Built for durability and environmental protection, it maintains performance under pressure fluctuations and harsh conditions. Ideal for critical process systems requiring consistent and precise readings.

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Highlights
  • 4-1/2″ dial; 1/2″ SS304/SS316 lower mount NPT connection
  • SS304 movement and SS316L Bourdon tube for process media compatibility
  • Phenolic (polypropylene) case with laminated safety glass window for IP66 protection
  • Pressure range VAC to 30,000 PSI; accuracy 1.6% / 1.0%
  • Dry, glycerin, or silicone fill options available
  • IP66 rated for washdown and weather-exposed installations
  • Laminated safety glass window for safe operation in overpressure conditions
Application
  • Industrial process plant instrumentation requiring large dial, high-accuracy gauges
  • High-pressure oil and gas process equipment up to 30,000 PSI
  • Outdoor and washdown installations requiring IP66 environmental protection
  • Chemical and petrochemical process service requiring SS316L wetted parts
RPI | 590 Series

CAPSULE PRESSURE GAUGE

LOW PRESSURE / HIGH SENSITIVITY

Low-pressure gauge designed for applications requiring high sensitivity and accuracy at minimal pressures. Built with a capsule sensing element, it delivers reliable measurement where standard gauges are insufficient. Ideal for low-pressure monitoring in industrial and process environments.

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Highlights
  • Capsule sensing element for accurate low-pressure measurement
  • Dial sizes 1.5″, 2″, and 2-1/2″; connection sizes 1/8″, 1/4″, 3/8″, and 1/2″ NPT
  • Lower mount and center back connection types available
  • Mild steel chromed case; brass NPT connection and movement
  • Phosphorus bronze Bourdon tube; acrylic window; dry fill
  • Pressure range VAC to 15,000 PSI; accuracy 2.5% / 2.0% / 1.6% / 1.0%
  • Suited for low-pressure gas and air instrumentation applications
Application
  • Low-pressure gas and air service requiring high-sensitivity pressure indication
  • Instrument supply pressure monitoring on pneumatic control systems
  • HVAC and utilities instrumentation requiring low-pressure capsule gauges
  • Applications where Bourdon tube sensitivity is insufficient at low pressure ranges
RPI | 650 Series

FORGED X FORGED PRESSURE GAUGE

HEAVY DUTY / HIGH VIBRATION SERVICE

Compact forged pressure gauge designed for rugged service and high-vibration environments. Built with a forged body and connection, it provides superior strength and durability compared to standard designs. Ideal for applications requiring long-term reliability under demanding conditions.

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Highlights
  • Forged brass case and ring for superior mechanical strength and vibration resistance
  • 2-1/2″ dial; 1/4″ forged brass NPT lower mount connection
  • Brass movement; phosphorus bronze Bourdon tube
  • Polycarbonate or tempered glass window; glycerin or silicone fill
  • Pressure range VAC to 15,000 PSI; accuracy 1.6% / 1.0%
  • Compact, rugged design for demanding mechanical service environments
  • Forged construction outperforms cast gauges in high-vibration and high-cycle applications
Application
  • High-vibration applications on compressors, pumps, and mechanical equipment
  • Hydraulic systems requiring a robust, vibration-resistant pressure gauge
  • Industrial and oilfield service where forged construction is specified
  • Applications requiring superior mechanical durability in a compact gauge format

PRECISION PARTNERS. PROVEN PERFORMANCE.

Elkhorn Valve & Equipment partners with industry leading manufacturers to deliver reliable, field proven solutions for demanding oil and gas applications. Every line we represent is selected for performance, durability, and consistency in real world conditions.

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Aplisens

BelGAS CP

TRUSTED EQUIPMENT. RELIABLE SUPPORT.

We take pride in supplying products you can count on and backing them with real support. Our team understands the demands of the field and we work hard to make sure you get the right equipment.

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