ESI Technologies Group
The Fisher™ MR95 Series regulators are compact, large-capacity, direct-operated pressure regulators. The units are available in 1/4 NPT through 2 in. / DN 50 sizes and are offered in several different end connection configurations. They are designed to handle pressures up to 1000 PSIG / 68.9 bar and temperatures up to 650°F / 343°C.
These products can help solve the toughest pressure control applications.
Available Low-Pressure Configurations
MR95L: 2 to 30 PSIG / 0.14 to 2.1 bar outlet pressures
Available High-Pressure Configurations
MR95H: 5 to 150 PSIG / 0.35 to 10.3 bar outlet
MR95HP: 15 to 400 PSIG / 1.0 to 27.6 bar outlet
MR95HT: 15 to 300 psig / 1.0 to 20.7 bar outlet and up to 650°F / 343°C
Available Pressure Differential Configurations
MR95LD: 2 to 30 psi / 0.14 to 2.1 bar differential
MR95HD: 5 to 150 psi / 0.35 to 10.3 bar
MR95HDP: 5 to 150 psi / 0.35 to 10.3 bar with max inlet of 600 PSIG / 41.4 bar
Body and Spring Case Materials
Gray Cast Iron
WCC Steel
LCC Steel
Stainless Steel
Special Alloys: Monel®, Hastelloy® C, Aluminium-Bronze
Body Size
1/4-inch
1/2-inch / DN 15
3/4 and 1-inch / DN 20 and 25
1-1/2 and 2-inch / DN 40 and 50 (not available for Types MR95L and MR95LD)
End Connection Styles
NPT, SWE, and Welded and Integral CL150 RF, CL300 RF, CL600 RF, and PN 16/25/40 RF; all with 14-inch face-to-face (EN flanged-356 mm face-to-face)
Maximum Inlet Pressure
1000 psig / 69.0 bar
Maximum Outlet Pressure
450 psig / 31.0 bar
Pressure Registration
Internal or External
MR95H Series Approximate Weights
1/4 NPT body: 5 lb / 2.3 kg
1/2-in / DN 15 body: 10 lb / 4.5 kg
3/4 and 1-in / DN 20 and 25 bodies: 22 lb / 10 kg
1-1/2 and 2-in bodies / DN 40 and 50: 55 lb / 25 kg
MR95L Series Approximate Weights
1/4 NPT body: 7 lb / 3.2 kg
1/2-in / DN 15 body: 15 lb / 6.8 kg
3/4 and 1-in / DN 20 and 25 bodies: 35 lb / 16 kg
Typical applications include superheated steam, steam injection, steam tracing, nitrogen purging, boiler feed water, process chemicals, cooling water, test fixtures, wash tanks, sterilizers/autoclaves, fuel lines, pneumatic supply, and many others.
