40-500-30-vac

Specifications

Accuracy

1.0 %

Type

Pressure Gauge

Connection Location

Bottom

Dial/Display Size

Aluminum, White Background with Black Scale. Ultraviolet (UV) Resistant.

Lens/Display Material

Instrument Glass

Material

Polished 304 Stainless Steel with Safety Relief Plug

Ambient Temperature Range (Glycerin Fill)

-20 to 60 ºC, -4 to 140 ºF

Ambient Temperature Range (Special Fill)

-40 to 60 ºC, -40 to 140 ºF

Ammonia Refrigeration Gauges

Ammonia and refrigeration gauges with dials reading in both pressure and temperature are available in 400/500 Series 2-1/2" and 4" sizes

Assembly Option for Indication, Output, and Isolation/Bleed

NOSHOK offers multiple assembly options to meet your specific system requirements. Consult factory to discuss your customized solution. For example, you can simplify your system with this easy-to-install solution from NOSHOK. Three simple components that require a single threaded connection in your piping system will provide local indication, analog output and block/isolate with bleed function. This product grouping is an ideal solution for a variety of applications including oil and gas, and is available in several high pressure ranges, including 5,000, 10,000 and 15,000 psi. Special design for Shale Gas applications. This example represents a general solution; however, we offer a diverse range of gauges, transmitters and valves which are available with a variety of connection options and ranges to suit your needs. (Photo shows 40-400 Series Pressure Gauge (Local Indication), 621 Series Pressure Transmitter (Control Output), and 200 Series Multi-Port Valve (Block/Isolate & Bleed).

Case Type

Stainless Steel (SS) Case, Liquid Filled, Bottom Connection

Connection Material

316 Stainless Steel

Cover Ring Material

Polished 304 Stainless Steel

Diaphragm Seals

NOSHOK offers a wide variety of standard & elevated pressure, and reduced pressure replaceable and non-replaceable diaphragm seals, designed to isolate and/or protect the pressure measuring instrument from corrosive, viscous, contaminated or very high temperature process media.

Distribution Manifolds

NOSHOK's Distribution Manifolds connect multiple instruments to one diaphragm seal, eliminating multiple connections that lead to possible leak paths.

Fill Liquid

Glycerin

Gauge Size

4 in

Installed Options and Accessories

Available 10-32-UNF-2B (10-32) Orifice - 316SS Threaded 0.8 mm (ST8) - Standard Orifice - 316SS Threaded 0.5 mm (ST5) Laser Marking (LM) Stainless Steel Tagging (ST) Certificates Certified Calibration (CC), Vacuum through 15,000 psi Cleaning for Oxygen Service (O 2 ), Up to 1,000 psi Cleaning for Oxygen Service (O 2 ), 1,500 psi and up

Measuring Element

316 Stainless Steel C-Type Bourdon Tube

Media Temperature Range (Glycerin Fill)

-20 to 100 ºC, -40 to 212 ºF

Media Temperature Range (Special Fill)

-40 to 100 ºC, -40 to 212 ºF

Metric Dials and Customized Special Dials

Dual scale metric dials in psi/bar, psi/kPa and psi/kg/cm 2 Other scales are available for specific sizes and ranges, such as single scale bar and kPa, refrigerant scales and altitude scales Customized special dials such as non-standard metric scale, tons of ram, lbs. of force, etc. are available in small quantities (as few as one piece) on some NOSHOK gauges Please consult the factory for availability.

Movement

All Stainless Steel with Internal Zero Stop and Highly Polished Bearing Surfaces

Pointer

Balanced Aluminum, Black Finish

Pressure Range

0 to 30 psi

Pressure Snubbers - Piston Type

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"​​​​​​

Refrigeration Gauges with Dials Reading in Pressure and Temperature

Refrigeration gauges with dials reading in pressure and temperature are available in NOSHOK 300, 400 and 500 Series Pressure Gauges for R-12 and R-22

Steam Syphons

Protect the instrument from the damaging effects of high temperature steam Recommended for use in all steam applications Available in 1/4" and 1/2" NPT sizes in welded steel, welded 316 Stainless Steel or seamless 316 Stainless Steel with ratings to 3,800 psi at 850 ºF

Swivel Adapters

Temperature ratings: 15,000 psi at 200 ºF and 3,000 psi at 1,000 ºF Used with gauges and gauge valves to adjust the line of sight Rotates 360º to allow the connected instrument to be positioned in the desired direction The pressure connection is achieved with a tapered cone style compression fitting simply by tightening the swivel hex nut All 316 Stainless Steel construction Standard with 1/2" NPT male process - 1/2" NPT female instrument connections Also available with 1/4" NPT connections, same specifications apply Weight approximately 0.8 lb.

Uninstalled Options and Accessories

Certificate of Cleaning (COCL) Certificate of Conformance (COC)

Warranty

3 yr

Working Pressure Limitations

Dynamic Pressure The working pressure should be limited to 60% of the dial range. Static Pressure The working pressure, where no sharp fluctuations occur, should be limited to: ≤15,000 psi: 90% of the dial range, >15,000 psi: 75% of the dial range