Ashcroft 1259 Process Pressure Gauge

Process Pressure Gauges – Ashcroft are the leading pressure and temperature instrumentation manufacturer of pressure gauges, test gauges and temperature gauges.
Ashcroft 1259 process pressure gauge is used throughout process and industrial markets globally and is known for it’s reliability, performance and safety.
The Ashcroft 1259 pressure gauge has been designed to withstand harsh working conditions and measure a wide range of pressure ratings.
Ashcroft 1259 Process Pressure Gauge – Applications
- Refineries
- Chemical & Petrochemical Plants
- Water & Wastewater Plants
- Mining & Materials Plants
The Ashcroft 1259 pressure gauge should ideally be used in temperatures ranging from –30 to +65°C and at very low temperatures standard pressure gauges may display slow pointer response times.
Ashcroft 1259 Process Pressure Gauge – Features
- Solid front safety case
- Accuracy complies with ASME B40.1 Grade 2A (±0.5% of span)
- As-welded Bourdon tube for safety and longer life
- Micrometer adjustable pointer
- Adjustable movement
- Ranges: vac to 20,000 psi
- Date coded socket to ensure pedigree
- Wetted part material printed on dial
- Liquid filled case option (Code L)

Ashcroft 1259 Process Pressure Gauge For Wasterwater Industry
Ashcroft 1259 Pressure Gauge – Product Specifications
Ashcroft Model Number | Ashcroft 1259 |
Accuracy | 1 ⁄2% full scale (Grade 2A, ASME B40.100) |
Ranges | Vacuum – 20,000 psi |
Ring Type | Cam lock, fiberglass reinforced thermoplastic |
Dial Size | 4½˝ diameter |
Case | Solid front safety |
Case Material | Fiberglass reinforced thermoplastic |
Weather Protection | Dry Case: IP54 Liquid filled or hermetically sealed case: IP 65 |
Window | Glass |
Pointer | Micrometer adjustable |
Movement | Adjustable 300 series ss |
Bourbon Tube & Socket | 316L SS/316L SS (S)(1) : K Monel/Monel (P)(1) |
Weight (Lbs.) | 2.5 (Dry) 3.5 (Liquid Filled) |
ASHCROFT 1259 – HOW TO ORDER
Here is a typical ordering example for an Ashcroft 1259 pressure gauge – for technical support, specification and sales contact T&D.
Ashcroft Gauge 45-1259-S-D-04L-100#
- Gauge Dial Size : 4 1/2″ (45)
- Case Type Number : 1259 (1259)
- Tube and Socket Material : K-Monel 500 tube (P) 316L (S)
- Case Design : Dry (IP54) (D)
- Connection Size/Location : 1 ⁄2 male (04), Lower (L) Back (B) (04L)
- Gauge Range : 100 psi (100#)

Pressure Gauges – Ashcroft process gauges can be used to measure pressure on fire protection sprinkler pipework systems.
ASHCROFT
Watch how Ashcroft pressure gauges and temperature instruments protect people in all industries and every environment.
ASHCROFT & THE WATER INDUSTRY
Ashcroft gauges monitor pressure in filtration, flow and level applications including pumps, control systems, filters and heat exchangers – providing process pressure measurement for hydrostatic pressure, filter monitoring or regulating flow and deionized water.

T&D service the global water utility industry with Electrical, Mechanical, Process & Instrumentation Equipment – this includes Water Metering, Heat Tracing, Gas Detection and Process Heating. Image : Mott MacDonald