Brass Liquid Filled Gauges- NOSHOK -300 series
List Price $298.52 Original price was: $298.52.$72.00Current price is: $72.00.
339 in stock
300 Series Brass Case Liquid Filled Pressure Gauges

Pressure Gauge, 4″ 304SS Solid Front Case, 316SS Internals, 40000 psi, 9/16-18 UNF Bottom ConnPressure Gauge, 4″ 304SS Solid Front Case, 316SS Internals, 40000 psi, 9/16-18 UNF Bottom Conn
- High quality, heavy-duty liquid filled gauge
- Vacuum and compound ranges through 0 psi to 15,000 psi
- 2-1/2″ and 4″ gauge sizes
- Die cast brass case with natural brass finish
- Copper alloy or 316 stainless steel and brass wetted parts
- An invaluable tool for identifying pressure spikes in a system
- Extremely helpful during system start up and troubleshooting
- MIPs add an additional ±1% error to the gauge because of the increased load on the Bourdon tube
- On ranges of 60 psi and lower, MIPs may double the allowed error of the gauge

ORDERING INFORMATION
| SIZES | 25 | 2-1/2″ | 40 | 4″ | ||||
| CASE TYPES | 300 | Brass, bottom connection | 310 | Brass, back connection | ||||
| PRESSURE RANGES | 30vac | -30 inHg to 0 psi | 30/300 | -30 inHg to 0 to 300 psi | 300 | 0 psi to 300 psi | 3000 | 0 psi to 3,000 psi |
| 30/15 | -30 inHg to 0 to 15 psi | 15 | 0 psi to 15 psi | 400 | 0 psi to 400 psi | 5000 | 0 psi to 5,000 psi | |
| 30/30 | -30 inHg to 0 to 30 psi | 30 | 0 psi to 30 psi | 600 | 0 psi to 600 psi | 6000 | 0 psi to 6,000 psi | |
| 30/60 | -30 inHg to 0 to 60 psi | 60 | 0 psi to 60 psi | 800 | 0 psi to 800 psi | 7500 | 0 psi to 7,500 psi | |
| 30/100 | -30 inHg to 0 to 100 psi | 100 | 0 psi to 100 psi | 1000 | 0 psi to 1,000 psi | 10000 | 0 psi to 10,000 psi | |
| 30/160 | -30 inHg to 0 to 160 psi | 160 | 0 psi to 160 psi | 1500 | 0 psi to 1,500 psi | 15000 | 0 psi to 15,000 psi | |
| 30/200 | -30 inHg to 0 to 200 psi | 200 | 0 psi to 200 psi | 2000 | 0 psi to 2,000 psi | |||
| SCALE OPTIONS | psi | psi single scale | psi/kPa | psi/kPa dual scale | psi/kg/cm2 | psi/kg/cm2 dual scale | psi/bar | psi/bar dual scale |
| CONNECTION SIZES | 1/4 | 1/4″ NPT | 1/2 | 1/2″ NPT | SST | SAE J1926-3:7/16-20 adjustable | ||
| OPTIONS | CFF | Chrome Front Flange | RF | Rear Flange | GLO | Glass Lens Overlay | ST | Stainless Steel Tagging |
| CFFN | Chrome Front Flange w/o holes | CCR | Chrome Cover Ring | SGO | Safety Glass Overlay | BT3 | Brass Threaded Orifice 0.3 mm | |
| BFF | Brass Front Flange | CBU | Chrome Bezel & U-Clamp | AR | Adapter Ring | BT4 | Brass Threaded Orifice 0.4 mm | |
| BLFF | Black Front Flange | MIP | Maximum Indicating Pointer | LM | Laser Marking | BT8 | Brass Threaded Orifice 0.8 mm | |
| SSRF | 304SS Rear Flange | LL | Polycarbonate Lens | http://www.noshok.com/images/Stock_Lists/300_Series_Brass_Case_Liquid_FIlled_Gauge_Accessories_Stock_Lists.pdf | ||||
AVAILABLE
- Maximum Indicating Pointer (MIP)
- Glass Lens Overlay (GLO)
- Safety Glass Overlay (SGO)
- Chrome Front Flange (CFF)
- Chrome Front Flange w/o Holes (CFFN)
- Brass Front Flange (BFF)
- Rear Flange (RF)
- Chrome Cover Ring (CCR)
- Increased Accuracy from 1.5% to 1.0% (IA)
- SAE J1926-3:7/16-20 Adjustable Connection (SST)*
- 10-32-UNF-2B (10-32)
- Orifice - Brass Threaded 0.3mm (BT3)
- Orifice - Brass Threaded 0.4mm (BT4)
- Orifice - Brass Threaded 0.8mm (BT8) - Standard
- Rubber Case Protectors (RCP)
- Laser Marking (LM)
- Stainless Steel Tagging (ST)
GAUGE FILL OPTIONS
- Silicone (SL)
- Halocarbon (HL)
- -40 Degree Service (GY40)
- Mineral Oil (MO)
CERTIFICATES
- Certified Calibration (CC)
- Cleaning for Oxygen Service (O2), Up to 1,000 psi
- Cleaning for Oxygen Service (O2), 1,500 psi and up
* Includes FKM O-ring. Consult factory for availability.
NOTE: Consult factory for any Minimum Quantities that may apply when ordering these accessories.
Prop 65
- Resist clogging and are self-cleaning
- Five different sized pistons included with each snubber to ensure the correct amount of snubbing for virtually every application
- Available in Brass and 316 Stainless Steel in 1/4" NPT, 1/2" NPT or SAE J1926-3: 7/16-20
- Weight approximately 0.2 lb. for 1/4" & 7/16", and approximately 0.4 lb. for 1/2"
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
WARNING: This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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| SERIES | SPECIFICATIONS | |
| Pressure ranges | 300 Series (all) | Vacuum and compound ranges through 0 psi to 15,000 psi |
| Accuracy | 25-300, 25-310 | ±1.6% full scale |
| 40-300, 40-310 | ±1% full scale | |
| Temperature ranges* | 300 Series (all) | Media -4 °F to 140 °F (-20 °C to 60 °C) Ambient 0 °F to 160 °F (-18 °C to 71 °C) Optional temperature ratings available from -40 °F to 212 °F (-40 °C to 100 °C) |
| Measuring element | 25-300, 25-310 (≤ 600 psi) |
Copper alloy “C” tube |
| 25-300, 25-310 (800 psi to 6,000 psi) |
Copper alloy coiled safety tube | |
| 25-300, 25-310 (7,500 psi to 15,000 psi) |
316 stainless steel coiled safety tube | |
| 40-300, 40-310 (≤ 1,000 psi) |
Copper alloy “C” tube | |
| 40-300, 40-310 (15,000 psi) |
316 stainless steel coiled safety tube | |
| Connection | 25-300, 25-310 | 1/4" NPT die-cast brass with the case. 7/16" – 20 SAE adjustable type straight thread with FKM O-ring is also available as a stock option on many ranges (-4 SAE). |
| 40-300, 40-310 | 1/4" NPT die-cast brass with the case. 1/2" NPT is available on certain 40-300 ranges as a stock option, and on all other 40-300 and 40-310’s as a non-stock option. | |
| Case | 300 Series (all) | Die cast brass (natural brass finish) with safety relief plug |
| Cover ring | 300 Series (all) | Polished brass |
| Lens | 300 Series (all) | Acrylic with o-ring seal |
| Pointer | 300 Series (all) | Balanced aluminum, black finish |
| Dial | 300 Series (all) | Aluminum, white background with black scale. UV resistant. |
| Movement | 300 Series (all) | Brass and nickel-silver with highly polished bearing surfaces |
| Fill liquid | 300 Series (all) | Glycerin |
* For every 18 °F (10 °C) shift in temperature from which the gauge is calibrated, the user can experience up to ±0.4% additional error.
Description
300 Series Brass Case Liquid Filled Pressure Gauges

Pressure Gauge, 4″ 304SS Solid Front Case, 316SS Internals, 40000 psi, 9/16-18 UNF Bottom ConnPressure Gauge, 4″ 304SS Solid Front Case, 316SS Internals, 40000 psi, 9/16-18 UNF Bottom Conn
- High quality, heavy-duty liquid filled gauge
- Vacuum and compound ranges through 0 psi to 15,000 psi
- 2-1/2″ and 4″ gauge sizes
- Die cast brass case with natural brass finish
- Copper alloy or 316 stainless steel and brass wetted parts
- An invaluable tool for identifying pressure spikes in a system
- Extremely helpful during system start up and troubleshooting
- MIPs add an additional ±1% error to the gauge because of the increased load on the Bourdon tube
- On ranges of 60 psi and lower, MIPs may double the allowed error of the gauge

ORDERING INFORMATION
| SIZES | 25 | 2-1/2″ | 40 | 4″ | ||||
| CASE TYPES | 300 | Brass, bottom connection | 310 | Brass, back connection | ||||
| PRESSURE RANGES | 30vac | -30 inHg to 0 psi | 30/300 | -30 inHg to 0 to 300 psi | 300 | 0 psi to 300 psi | 3000 | 0 psi to 3,000 psi |
| 30/15 | -30 inHg to 0 to 15 psi | 15 | 0 psi to 15 psi | 400 | 0 psi to 400 psi | 5000 | 0 psi to 5,000 psi | |
| 30/30 | -30 inHg to 0 to 30 psi | 30 | 0 psi to 30 psi | 600 | 0 psi to 600 psi | 6000 | 0 psi to 6,000 psi | |
| 30/60 | -30 inHg to 0 to 60 psi | 60 | 0 psi to 60 psi | 800 | 0 psi to 800 psi | 7500 | 0 psi to 7,500 psi | |
| 30/100 | -30 inHg to 0 to 100 psi | 100 | 0 psi to 100 psi | 1000 | 0 psi to 1,000 psi | 10000 | 0 psi to 10,000 psi | |
| 30/160 | -30 inHg to 0 to 160 psi | 160 | 0 psi to 160 psi | 1500 | 0 psi to 1,500 psi | 15000 | 0 psi to 15,000 psi | |
| 30/200 | -30 inHg to 0 to 200 psi | 200 | 0 psi to 200 psi | 2000 | 0 psi to 2,000 psi | |||
| SCALE OPTIONS | psi | psi single scale | psi/kPa | psi/kPa dual scale | psi/kg/cm2 | psi/kg/cm2 dual scale | psi/bar | psi/bar dual scale |
| CONNECTION SIZES | 1/4 | 1/4″ NPT | 1/2 | 1/2″ NPT | SST | SAE J1926-3:7/16-20 adjustable | ||
| OPTIONS | CFF | Chrome Front Flange | RF | Rear Flange | GLO | Glass Lens Overlay | ST | Stainless Steel Tagging |
| CFFN | Chrome Front Flange w/o holes | CCR | Chrome Cover Ring | SGO | Safety Glass Overlay | BT3 | Brass Threaded Orifice 0.3 mm | |
| BFF | Brass Front Flange | CBU | Chrome Bezel & U-Clamp | AR | Adapter Ring | BT4 | Brass Threaded Orifice 0.4 mm | |
| BLFF | Black Front Flange | MIP | Maximum Indicating Pointer | LM | Laser Marking | BT8 | Brass Threaded Orifice 0.8 mm | |
| SSRF | 304SS Rear Flange | LL | Polycarbonate Lens | http://www.noshok.com/images/Stock_Lists/300_Series_Brass_Case_Liquid_FIlled_Gauge_Accessories_Stock_Lists.pdf | ||||



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