Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
ASHCROFT 1259/311-312 Dial Pressure Gauge with Hastelloy C-276 Mini-Seal - Dial Pressure Gauges with Nickel Alloy C-276 Mini-Seal
ASHCROFTDial Pressure Gauges with Nickel Alloy C-276 Mini-Seal

ASHCROFT 1259/311-312 Dial Pressure Gauge with Hastelloy C-276 Mini-Seal

The ASHCROFT Pressure Gauge with Diaphragm Seal is a dial pressure gauge featuring a Nickel Alloy C-276 Mini-Seal, with a 4 1/2 in dial and bottom connection. It has an accuracy of ±1.00%, a pressure range of 0 psi…

SKU 3G-OTH-175620

Also listed as: 451259SD04L50312HH04TXCF300 · 451259SD04L 50312HH04TXCF300 · 451259SD04L-50312HH04TXCF300

Brand
ASHCROFT
Item
1259/311-312 Dial Pressure Gauge with Hastelloy C-276 Mini-Seal
Part Number
451259SD04L/50312HH04TXCF300#
Category
Dial Pressure Gauges with Nickel Alloy C-276 Mini-Seal
Available to Order
Also known as:451259SD04L/50312HH04TXCF300#ASHCROFT
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

ASHCROFT
Manufacturer Part Number
451259SD04L/50312HH04TXCF300#
Type
1259/311-312, Bottom
Dial
4 1/2 in
Accuracy
±1.00%
Seal Fill Liquid
Halocarbon
Gauge Case Liquid
None
Gauge Wetted Parts
Stainless Steel
Seal Lower Housing Material
Hastelloy C-276

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

ASHCROFT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ASHCROFT Pressure Gauge with Diaphragm Seal is a dial pressure gauge featuring a Nickel Alloy C-276 Mini-Seal, with a 4 1/2 in dial and bottom connection. It has an accuracy of ±1.00%, a pressure range of 0 psi to 300 psi, and uses Halocarbon as the seal fill liquid with no gauge case liquid. The gauge wetted parts are stainless steel, and the seal lower housing material is Hastelloy C-276.

Frequently Asked Questions

What is the ASHCROFT pressure gauge with diaphragm seal used for?

This ASHCROFT gauge measures pressure from 0 psi to 300 psi in corrosive or viscous media. The Hastelloy C-276 Mini-Seal and Halocarbon fill isolate the gauge from process fluids, making it suitable for chemical, petrochemical, and pharmaceutical applications where stainless steel wetted parts are required.

What are the specifications of the ASHCROFT 451259SD04L/50312HH04TXCF300#?

This ASHCROFT gauge has a 4 1/2 in dial, bottom connection, ±1.00% accuracy, and a 0 psi to 300 psi range. It uses Halocarbon seal fill, no gauge case liquid, stainless steel wetted parts, and a Hastelloy C-276 seal lower housing. The model is 1259/311-312.

Where to buy the ASHCROFT pressure gauge with diaphragm seal worldwide?

3G Electric supplies and delivers this ASHCROFT pressure gauge worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure the gauge reaches your facility. Contact us for availability and lead time on this model.

How to select a diaphragm seal pressure gauge for corrosive media?

For corrosive media, choose a seal lower housing material like Hastelloy C-276, as used in this ASHCROFT gauge. Ensure wetted parts are stainless steel and the seal fill liquid is compatible with your process, such as Halocarbon for aggressive chemicals. Verify pressure range and accuracy meet your application.

Used in

Common applications for ASHCROFT
Oil and gas — Ashcroft E2F explosion-proof pressure transmitters for hazardous area pressure monitoring on wellheads and pipelines.
Chemical processing — Ashcroft 1279 series stainless steel pressure gauges for corrosive fluid pressure indication on reactors and transfer lines.
Pharmaceutical — Ashcroft sanitary pressure transmitters with Tri-Clamp fittings for clean-in-place pressure measurement in bioreactors.
HVAC and building automation — Ashcroft GXLdp differential pressure transmitters for filter status and room pressure monitoring.
Power generation — Ashcroft flanged thermowells with RTDs or thermocouples for temperature measurement in steam and water systems.
Food and beverage — Ashcroft G2 series pressure transmitters with SAE connections for pressure monitoring in filling and packaging equipment.
Not sure this is the right part? Photo-identify it→

ASHCROFT Products

3G Electric supplies ASHCROFT dial pressure gauges with nickel alloy c-276 mini-seal. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from ASHCROFT

View all ASHCROFT parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first