Pressure Gauges
Pressure Switches
Pressure Sensors
Diaphragm Seals-Isolators
Accessories
SMART Transmitter
Pressure Gauges
Find the optimal Ashcroft® pressure gauges for your application by using the filtering options provided.
Ashcroft® pressure gauges are supplied in a wide variety of sizes, accuracies and ranges from 0 – 10 in. H2O through 0-100,000 psi. Choices include differential pressure gauges, test gauges, sanitary gauges, high-purity gauges, subsea gauges, digital pressure gauges, OEM pressure gauges and more. Known for high quality and reliability, there is an Ashcroft pressure gauge available to fit nearly any budget and application requirement.
1279 Duragauge Pressure Gauge
The Ashcroft® 1279 Duragauge® is a high performance 4.5″ ASME style Process pressure gauge with a comprehensive design for maximizing safety and reliability. Features include a Solid Front Case and a 10 year pressure system warranty.
Specifications
Accuracy
±0.5% of span (ASME B40.100, Grade 2A)
Size
4 1/2″
Pressure Ranges
Vacuum, Compound, 15 to 30,000 psi
Process Connection Size
1?4 NPT Male, 1?2 NPT Male, 9?16-18 UNF-2B (high pressure connection)
Process Connection Location
Lower, Back
Case Style
Solid Front
Window
Acrylic, shatter proof glass, non-glare glass (OPT.)
Glass
Weather Protection
Case is not sealed and recommended for weather protected environment only
Liquid filled or field fillable: IP66 or NEMA 4X (S&P tube and socket), NEMA 4 (A&R tube and socket Hermetically sealed: IP66
Dampening
Liquid fill, throttle screw, PLUS!™ Performance
Mounting
Stem, surface, flush (STD.), pipe, remote (OPT.)
Movement
Rotary, adjustable
1009 Pressure Gauge – 2.5/3.5
The Ashcroft® 1009 steel case pressure gauge offers exceptional quality, durability, and performance. The removable bayonet ring allows the user easy access for minor adjustments. An ideal choice for satisfying most applications and installation requirements.
Specifications
Accuracy
±1.0% of span (ASME B40.100 Grade 1A)
±1.5% of span (Liquid filled)
Size
2½ ̋ (63 mm), 3½ ̋ (100 mm)
Process Connection Size
1/4 NPT Male
1/8 NPT Male
Process Connection Location
Lower, lower back, top, 3 o’clock, 9 o’clock
Process Connection Material
AW: Aluminum bronze
SW: 316L Stainless steel
Pressure Ranges
Vacuum, compound, 15,000 psi
Movement
304 Stainless steel with glass filled polyester segment
Weather Protection
IP65 (Plug closed), IP54 (Plug vented) NEMA 4 (Plug closed)
Window
Polycarbonate
Mounting
flush
Stem or Surface
Dampening
Liquid fill or PLUS!™ Performance
Case/Ring Style
304 Stainless steel/Removable ring
1008S 40 & 50
1008S 63 & 100
1008S/SL
1008S Pressure Gauges – 40/50/63/100mm
The Ashcroft® 40/50/63/100mm 1008S pressure gauges are an excellent solution for pressure measurement in harsh environments. These gauges offer exceptional quality and reliability in an all stainless steel pressure gauge. The sealed case protects from ambient conditions and includes features enhancing product performance and safety. The 40/50mm gauges are ideal for limited space installations.
Specifications
Accuracy
±1.6% of span; ±2% of span; ±3-2-3% of span (ASME, B40.100 Grade B)
Size
1½ ̋ (40 mm), 2 ̋ (50 mm), 2 1/2″ (63 mm), 4″ (100 mm)
Process Connection Size
1/2 NPT Male
1/4 NPT Male
1/8 NPT Male
Metric and tube stub connections available
SAE4 7/16″-20
Process Connection Location
Lower, lower back, center back, top, 3 o’clock, 9 o’clock
Process Connection Material
316L Stainless steel
Weather Protection
IP54 (Plug vented)
IP65 (Plug closed)
NEMA 4
NEMA 4X
Pressure Ranges
Vacuum, compound, 15,000 psi
Movement
304 stainless steel , Powerflex™ with glass filled polyester segment on some models
304 stainless steel gear type on some models
Window
Polycarbonate
Dampening
FlutterGuard™
Liquid fill or PLUS!™ Performance
Throttle plugs
Case/Ring Style
304 Stainless steel/crimped ring
Special Application
Ammonia
8008S Pressure Gauge
The Ashcroft® 8008S delivers the advanced features of a larger gauge in a small, economical package for applications requiring an all stainless steel instrument for harsh environments. Laser welded wetted 316L stainless steel components ensure system integrity for corrosive medias. A solid front case option is also available to enhance operator safety along with numerous mounting selections to save space and ease installation.
Specifications
Accuracy
63 mm: ±1.6% of span per EN837-1, ±1% of span per EN837-1 (thru 10,000 psi), ±2-1-2% of span ASME B40.100 (thru 10,000 psi)
100 mm: ±1% of span per EN837-1 (thru 10,000 psi)
Size
63 mm (2½ ̋), 100 mm (4 ̋)
Pressure Ranges
Vacuum, compound to 20,000 psi
Process Connection Location
Lower, center back or lower back
Process Connection Size
63mm: 1⁄8 NPT, ¼ NPT, G¼ B, ¼ BSPT, SAE-4 7⁄16-20, M14x1.5, #4JIC, ¼ Tube stub Male, 3⁄8 Tube stub Male, ½ Tube stub Male
100mm: ¼ NPT, ½ NPT, G¼ B, G½ B, M14x1.5, M20x1.5, ¼ BSPT, ½ BSPT, ¼ Tube stub Male, 3⁄8 Tube stub Male, ½ Tube stub Male, ¼ High pressure Female
Process Connection Material
316 Stainless steel
Movement
316 stainless steel Laser Welded
Window
Glass
Polycarbonate
Safety Glass
Dampening
FlutterGuard™
Glycerin fill
Silicone fill
Case/Ring Style
304 Stainless Steel
316 stainless steel
Weather Protection
IP66 rating: NEMA 4X for water and dust ingress
Pressure Switches
Find the optimal Ashcroft® pressure switches for your application by using the filtering options provided.
Ashcroft® pressure switches are provided in a variety of configurations to meet most installation requirements in nearly every industry. A long list of choices include differential pressure switches, explosion-proof pressure switches, NEMA 4 and NEMA 7 rated pressure switches as well as electronic pressure switches.
A-Series Watertight Pressure Switch
The Ashcroft® APA and APS watertight miniature pressure switch is designed for pressure control in harsh applications. Its design allows for easy integration into custom equipment or systems. Ideal for pressure alarm, shutdown or control when size or compatibility is a consideration.
Specifications
Setpoint
Single setpoint – Factory set or field adjustable
Setpoint Repeatability (Accuracy)
±2% of span. For ranges 200 through 15,000 psi
+/- 5% of span for ranges -15/15 through 100 psi
(Additional +/- 2% of span setpoint shift per every 40°F above and below 70°F)
Diaphragm/Actuator Material
316L Stainless steel
Diapragm or 316L stainless steel piston w/Viton or Buna-N O-ring
Switch output
SPDT or DPDT
Deadband
Fixed
Enclosure Ratings
NEMA 6, IP67
Enclosure Material
316L Stainless steel
Pressure Connection
1.5˝ Tri-Clover®, 2.0˝ Tri-Clover, G¼ B, G¼ A Type E Stub end
½ FNPT, 7⁄16-20 SAE M, VCR, VCO, ¾˝ Tri-Clamp®,
1⁄8 NPTF, ¼ NPTF, ¼ NPTM, 1⁄8 NPTM, ½ MNPT,
Pressure Ranges
Vacuum -15 to 15,000 psi
Ambient Temperature Range
-40 °F to 212 °F (-40 °C to 100 °C)
Process Temperature
-40 to 212°F (-40°C to 100°C)
A-Series Explosion Proof Pressure Switch
The Ashcroft® APA and APS explosion proof miniature pressure switches are designed for pressure control for applications in harsh or hazardous locations. The explosion-proof construction provides superior protection, while its compact design allows for easy integration into custom equipment or systems. Ideal for pressure alarm, shutdown or process control within hazardous areas when limited size and compatibility are required.
Specifications
Setpoint
Single setpoint – Factory set or field adjustable
Setpoint Repeatability (Accuracy)
±2% of span. For ranges 200 through 15,000 psi
±5% of span. For ranges -15/15 through 100 psi (additional setpoint shift ±2% of span per 40°F from initial setpoint setpoint at 70°F typical)
Diaphragm/Actuator Material
316L stainless steel diaphragm or Stainless steel piston w/Viton or Buna-N O-ring
Enclosure Material
316L Stainless steel
Enclosure Ratings
NEMA 4X, 7, 9, IP 67
Pressure Connection
1.5˝ Tri-Clover®, 2.0˝ Tri-Clover, G¼ B, G¼ A Type E Stub end
½ FNPT, 7⁄16-20 SAE M, VCR, VCO, ¾˝ Tri-Clamp®,
1⁄8 NPTF, ¼ NPTF, ¼ NPTM, 1⁄8 NPTM, ½ MNPT,
Switch output
SPDT or DPDT
Deadband
Fixed
Pressure Ranges
Vacuum -15 to 15,000 psi
Ambient Temperature Range
-40 °F to 192 °F (-40 ° to 89 °C)
Process Temperature
T5: -40°F to 192°F (-40°C to 89°C)
T6: -40°F to 165°F (-40°C to 74°C)
Pressure Sensors
Find the optimal Ashcroft® pressure transducer or pressure transmitter for your application by using the filtering options provided.
Ashcroft® pressure sensors, pressure transducers and pressure transmitters are designed to meet harsh installations demands for low or high temperatures, high shock and vibration. Our pressure sensors include a wide selection of models for HVAC/R, food industry, pharmaceutical, off road vehicles, hydraulic and pneumatic and the semiconductor industry. Together they measure ranges from 0-0.01 in. H2O to 72,000 psi and accuracies from ±0.25% to ±2.00% of span. A selection of electrical terminations, process connections and analog outputs provide a custom fit for nearly any application.
S1 OEM Pressure Transducer
The Ashcroft® S1 OEM pressure transducer incorporates Ashcroft’s proven CVD sensing technology to provide a cost effective transducer that provides superior performance. The S1 is a hydraulic pressure sensor designed to provide uncompromised performance especially for applications that see high shock, vibration and excessive pressure cycling. The S1 utilizes a high-performance ASIC and digital compensation to provide excellent temperature performance, while the thin film sensor enables long-term stability. An ideal choice for pressure measurement for mid to high volume applications.
Specifications
Reference Temperature
72 °F ±2 °F (21 °C ±1 °C)
Accuracy
±1.0% of Span (±0.50% Optional): Includes non-linearity, hysteresis. non-repeatability, zero offset and span setting errors at reference temperature
Total Error Band Accuracy
±1.0% of Span: From 0 ºC to 85 ºC (32 ºF to 185 ºF)
±2.0% of Span: From -40 ºC to -20 ºC (-40 ºF to -4 ºF)
±2.0% of Span: From 85 ºC to 125 ºC (185 ºF to 257 ºF)
Includes the combined effects of non-linearity (Terminal Point Method), hysteresis, non-repeatability, temperature and zero offset and span setting errors
Stability
≤±0.25% span/year at reference conditions
Durability
>50 million cycles
Pressure Ranges
Compound and gauge pressure, VAC to 10,000 psi
Outputs
4-20 mA, 0-5 Vdc, 0-10 Vdc, 1-5 Vdc, 1-6 Vdc, 0.5-4.5 Vdc and 0.5-4.5 Vdc ratiometric (requires 5.0 Vdc supply)
Ingress Rating
IP65/NEMA 4 for: EN 175301-803 Form A & C (DIN 43650 A & C)
IP67/NEMA 6 for: Metri-Pack, Shielded Cable, Deutsch DT, AMP Econoseal and M12 electrical connectors
Wetted Material
Diaphragm: 17-4PH Stainless steel
Process Connection options: 304 Stainless steel, Aluminum (Anodized or Non-anodized), Brass, Carbon Steel (Zinc Chromate)
Non-Wetted Materials
Housing: 304 Stainless steel, Aluminum (anodized or non-anodized), Brass or Carbon Steel (Zinc Chromate)
E2G – General Industrial Pressure Transducer
The Ashcroft® E2G general industrial pressure transducer is the optimal choice when a rugged, precise and repeatable pressure transducer is needed. Engineered for a wide array of applications, the E2G uses 316L stainless steel wetted materials and offers a wide selection of electrical terminations, process connections and analog outputs. Its flexible design allows it to be custom configured to meet nearly any requirement.
Specifications
Reference Temperature
21°C ±2°C (70°F ±3°F)
Accuracy
±0.25% of span, ±0.50% of span, ±1.0% of span, (0-1.5# Range only available in ±0.5% and 1.0% accuracy) Terminal Point Method includes: hysteresis, linearity, repeatability, offset and span
Stability
≤±0.25% span/year at reference conditions
Durability
>10 million cycles
Process Connection
1/4 NPT Male
1/8 NPT Male
½ NPT Male
½-14 NPT Female
¼˝ VCR gland with 9⁄16-18 Female Swivel Nut
¼˝ VCR gland with 9⁄16-18 Male Swivel Nut
¼-18 NPT Female
1⁄8 -27 NPT Female
7⁄16-20 UNF-2B SAE J1926
7⁄16-20 UNJF-2A SAE Male (SAE J1926 O-Ring Boss seal)
7⁄16-20 UNJF-3A 37° Flare (SAE AS4395)
9⁄16-18 UNF-2B Female
G1/4 A-MALE (stud end DIN 3852-E G¼)
G½ B Male (EN837-1)
G¼ B-Male (EN837-1)
Pressure Ranges
0 to 500 psi absolute
Vacuum to 20,000 psi
Ingress Rating
IP66
IP67
IP69K (consult factory)
Shock & Vibration Resistance
80g, 6 ms, Haversine, 10g RMS 20-20,000Hz vibration
Wetted Material
Diaphragm: 17-4PH Stainless steel, 316L Stainless steel, 316L Stainless steel liquid isolated, A286 Stainless steel
Process Connection: 316L Stainless Steel
Non-Wetted Materials
Housing: 316L Stainless steel
Outputs
0-10 Vdc (3 Wire)
0-5 Vdc (3 Wire)
0.1-10 Vdc (3 Wire)
0.1-5 Vdc (3 Wire)
0.5-4.5 Vdc (3 Wire)
1-11 Vdc (3 Wire)
1-5 Vdc (3 Wire)
1-6 Vdc (3 Wire)
20-4 mA (2 Wire)
4-20 mA (2 Wire)
Diaphragm Seals and Isolators
Find the optimal Ashcroft® diaphragm seals and isolation rings for your application by using the filtering options provided.
Ashcroft® diaphragm seals and isolation rings protect valuable instruments from potential damage caused by corrosive media or clogging from sludge or slurries, especially in wastewater processing. Diaphragm seals are offered in a variety of configurations with a wide selection of compatible wetted materials, such as 316 stainless steel, Monel and Tantalum. Isolation rings are available in different diameters for integration into piping systems. They provide a contiguous, flexible inner wall that deflects to equally pressurize the fill fluid into the pressure measuring device.
200-201 Threaded Diaphragm Seals
The Ashcroft® 200 and 201 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
Specifications
Process Connection Size
1/4 to 1 NPT Male
1/4 to 1-1/2 NPT Female
Instrument Connection
¼ NPT Female, ½ NPT Female
Pressure Rating
2,500 psi; 5,000 psi (OPT.)
Added Tolerance
±0.5% typical
Connection Style
200: Threaded
201: Threaded with flushing port
202-203 Flanged Diaphragm Seals
The Ashcroft® 202 and 203 diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, they are also applied when media can potential clog an instrument connection. Ideal for satisfying many challenging applications.
Specifications
Process Connection Size
½, ¾, 1, 1½, 2 or 3 NPS
Instrument Connection
¼ or ½ NPT Female
Added Tolerance
±0.5% typical
Connection Style
202: Flanged
203: Flanged with flushing port
Flange
150, 300, 600, 900 & 1,500 class
Flange Ratings (MAWP)
Per ASME B16.5
Accessories
Find the optimal Ashcroft® pressure accessories for your application by using the filtering options provided.
Ashcroft® provides a complete line of pressure accessories to protect instruments and control pressure flow. Multiport valves, pressure limiting valves, pressure siphons, block and bleed valves, pulsation dampeners, needle valves, pressure snubbers and valve manifolds facilitate convenient installation and improved operation.
Pressure Limiting Valve-PL02
The Ashcroft® pressure limiting valve-PL02 is designed to protect sensitive instrumentation by limiting pressure up to a specific set value and will only open once pressure drops down below a certain value. This device is often used to mitigate pressure spikes or other momentatary pressure events that can damage instruments like pressure gauges, switches and transmitters.
Specifications
Process Connection
¼ NPT Male, ½ NPTMale
Construction Material
316Ti Stainles steel
Maximum Pressure Rating
14,500 psi
Maximum Temperature Rating
175°F (80°C)
Minimum Temperature Rating
14°F (-10°C)
Gauge Valve-V01
The Ashcroft® gauge valve-V01 is designed to mount directly to the instrument for the purpose of isolating the attached instrument for protection or removal.
Specifications
Process Connection
¼ NPT Male, ½ NPTMale
Construction Material
316L Stainless Steel
Maximum Pressure Rating
6,000 psi (414 bar) at 100°F (38°C)
Maximum Temperature Rating
PTFE – 464°F (240°C)
Minimum Temperature Rating
14°F (-10°C)
SMART Transmitter Assemblies
Explore Ashcroft® SMART transmitter assemblies for your specific application.
Ashcroft offers SMART transmitter assemblies that combine devices into a single pressure instrument assembly to provide multiple measurement and control functions from a single pressure port. If the instruments require isolation from the pressure media, a single diaphragm seal or isolation ring can be connected to protect the entire assembly. Our experts will help with specifications to determine the best instruments and orientation. Once assembled and filled, we perform a calibration check on the complete instrument assembly or SMART transmitter assembly, verifying that each instrument meets specification.
Ashcroft SMART Transmitter Assemblies
Ashcroft® offers the assembly of SMART transmitters to our diaphragm seals and isolation rings, ensuring that your pressure assemblies are tested for accuracy and leak integrity prior to shipment. Our transmitter assembly service helps take the guesswork out of specifying the correct pressure instrumentation and assembly orientation, while our Ashcroft instrumentation experts ensure that the instruments are compatible and properly calibrated to suit your application.
Key Features:
Available with a wide variety of instruments, orientations and configurations to suit most processes
These transmitters and multi-instrument configurations can be respanned and are calibrated together as an assembly to ensure accurate pressure measurement.