Process Instrumentation
PX309 Pressure Transmitter
General-purpose 4-20 mA pressure transmitter.
MJ
Miljoco Corporation
P4509L Contractor's Pressure Gauge, Rear Flange
4½" dry contractor's gauge with rear flange mount, ±1% Grade 1A accuracy.
Key Features
- 4½" dial size
- ±1% Full Scale accuracy, Grade 1A
- Dry (non-liquid-filled) case
- Surface-mount rear flange case
- Submittal drawing available for installation planning
Overview
The P4509L is a 4½" dry contractor's pressure gauge with a rear flange mounting configuration, combining standard Grade 1A accuracy with panel-mount convenience for commercial and light industrial installations.
Working Principle
Process pressure deflects an internal Bourdon tube proportionally to pressure, driving a pointer across a graduated dial via a precision movement for a direct visual reading.
Applications
Benefits
- Rear flange mount simplifies panel installation
- Cost-effective accuracy grade for everyday contractor use
- Simple dry-case design requires no liquid-fill maintenance
Technical Specifications
| Dial Size | 4½" |
|---|---|
| Accuracy | ± 1% Full Scale, Grade 1A |
| Fill | Dry (non-liquid-filled) |
| Configuration | 3-hole surface-mount rear flange |
|---|
| Case | Black fiber-reinforced nylon |
|---|---|
| Lens | Glass (acrylic optional) |
| Wetted Parts | Phosphor-bronze tube, lead-free brass socket |
| Connection | 1/4" NPT bottom outlet |
| Potable water | UL certified to NSF/ANSI 61 and 372 |
|---|
Downloads
P4509L Datasheet (PDF)PDF
Frequently Asked Questions
What warranty is offered on this product?
All Tetracon-supplied instruments carry the original manufacturer warranty (typically 12–24 months) plus first-line local support from our Islamabad service centre.
Do you provide installation and commissioning?
Yes. Our manufacturer-trained engineers offer on-site installation, commissioning and startup training anywhere in Pakistan.
Are spares and calibration available locally?
Common spares are held in local stock. Calibration is available at our lab or on-site with NIST-traceable reference standards.
How long is the typical lead time?
Stocked items ship within 3–5 working days; engineered configurations typically 6–10 weeks depending on manufacturer schedule.
Request a Quote — P4509L Contractor's Pressure Gauge, Rear Flange
Complete the form below and one of our engineers will respond within 1 working day with pricing and lead time. Prefer email? Contact our sales team.
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