Winters Instruments PSG Schaeffer Pressure Gauge is an integrated pressure gauge and diaphragm seal assembly designed for measuring low process pressures while protecting the sensing element from corrosive or challenging process media. Combining both components into a single instrument simplifies installation and improves measurement reliability in demanding industrial environments.
Manufactured with an all stainless steel construction, the PSG Schaeffer Pressure Gauge is suitable for applications involving corrosive media and processes where extreme temperatures may affect diaphragm seal fill fluids. Available with multiple diaphragm material options, it provides dependable performance across a wide range of industrial process systems.
Key Features
- Integrated pressure gauge and diaphragm seal
- Designed for low-pressure process measurement
- All stainless steel construction
- 316 stainless steel wetted parts
- Multiple diaphragm material options available
- Bottom connection configuration
- IP65 enclosure rating
- ASME B40.100 compliant
- CRN registered
- Backed by a 5-year manufacturer’s warranty
Typical Applications
- Chemical processing
- Corrosive process media
- Low-pressure process systems
- Industrial process monitoring
- Applications requiring diaphragm seal protection
- High and low temperature process applications
Technical Specifications
| Specification | Details |
|---|---|
| Dial Size | 4 in (100 mm) or 6 in (150 mm) |
| Accuracy | ±1.5% of Full Scale |
| Connection | 1/2″ NPT Male Bottom (Female Optional) |
| Wetted Materials | 316 Stainless Steel (Other Materials Available) |
| Diaphragm | 316 SS, PTFE-Lined 316 SS, Tantalum Optional |
| Enclosure Rating | IP65 |
| Ambient Temperature | -25°C to 65°C |
| Maximum Process Temperature | 100°C (212°F) |
| Compliance | ASME B40.100, CRN Registered |
Winters Instruments offers process gauges, industrial gauges economy gauges, differential gauges, compressed gauges, sanitary gauges, special application gauges serving variety of industrial applications.

Winters Instruments offers high-quality pressure measurement and temperature instrumentation products, including pressure gauges, pressure switches, pressure transmitters, and thermometers. Designed for HVAC and industrial applications, their reliable solutions deliver accurate monitoring, robust performance, easy installation, and long-lasting durability across a wide range of process and environmental conditions.
Alyamitech
Alyamitech an Saudi Arabian distributor company specializing in HVAC products, valves, pumps, industrial instruments and MEP Signs. Company is based in Dammam and Saudi Arabia. Currently, we are official distributor of Winters Instruments Products in Saudi Arabia. We also distrubute products from Flamco Group, Grundfos, Envotec, Mifab, Vimco and other HVAC and precision instrument products. Read more




