The Fisher™ MR95 Series pressure regulators are direct-operated, high-performance devices engineered for precise pressure control in a wide range of fluid services. Available in both pressure-reducing and differential-pressure configurations, these regulators deliver reliable outlet pressure stability for liquids, gases, air, and steam. Designed for easy installation and long service life, the MR95 Series is the ideal choice for general industrial applications requiring accurate, repeatable pressure regulation.
| Parameter | Details |
|---|---|
| Available Types | MR95L, MR95H, MR95HP, MR95HT, MR95LD, MR95HD, MR95HDP |
| Body Sizes | 1/4 NPT to 2 in. / DN 15 to 50 |
| Outlet / Differential Range | 2–30 psig (MR95L/LD); 5–150 psig (MR95H/HD/HDP); 15–400 psig (MR95HP/HT) |
| Maximum Inlet Pressure | Up to 1000 psig / 68.9 bar (type & material dependent) |
| Temperature Range | –40°F to 650°F / –40°C to 343°C (material dependent) |
| Shutoff Classification | Class IV (metal/PTFE); Class VI or better (elastomer) |
| End Connections | NPT, socket weld, flanged CL150/CL300/CL600, PN 16/25/40 |
| Flow Coefficients (Cv) | 1.1 to 18.1 (wide-open relief sizing) |
Ideal for wash tanks, small heaters, fuel and oil lines, air supply systems, test fixtures, sterilizers, and any process requiring precise pressure control in liquid, gas, or steam services.
Q: What is the difference between pressure-reducing and differential models?
A: Pressure-reducing models (MR95L/H/HP/HT) control downstream outlet pressure, while differential models (MR95LD/HD/HDP) maintain a constant pressure difference between a loading supply and the outlet.
Q: Are MR95 regulators suitable for sour gas service?
A: Yes—optional materials fully comply with NACE MR0175-2002, MR0103, and ANSI/NACE MR0175/ISO 15156 standards.
Q: Do I need external overpressure protection?
A: Yes, if actual inlet pressure exceeds the safe working pressure of downstream equipment.
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