Specifications
- Available Backpressure Constructions
- MR98L: 2 to 38 psig / 0.14 to 2.6 bar set pressure range
MR98H: 15 to 200 psig / 1.0 to 13.8 bar set pressure range
MR98HH: 150 to 375 psig / 10.3 to 25.9 bar set pressure range
- Available Pressure Differential Constructions
- MR98LD: 2 to 38 psi / 0.14 to 2.6 bar set pressure range; max differential 150 psi / 10.3 bar
MR98HD: 15 to 200 psi / 1.0 to 13.8 bar set pressure range; max differential 300 psi / 20.7 bar
- Available High Pressure Differential Constructions
- MR98HDP: 15 to 200 psi / 1.0 to 13.8 bar set pressure range; max differential 600 psi / 41.4 bar
MR98HHD: 150 to 375 psi / 10.3 to 25.9 bar set pressure range; max differential 400 psi / 27.6 bar
- Body and Spring Case Materials
- Gray Cast Iron
WCC Steel
LCC Steel
Stainless Steel
Special Alloys: Monel®, Hastelloy® C, Aluminum-Bronze
Contact Sales Office for Special Alloys
- Body Size and End Connection Styles
- 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
- 600 psig / 41.4 bar
- Maximum Outlet Pressure
- 400 psig / 27.6 bar
- Pressure Registration
- Internal or External
- MR98H 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
- MR98L 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
- Additional Technical Data
- For additional technical information, contact your local Sales Office or refer to technical documentation.
Features
- Versatility
- Differential Pressure Capability
- Special Service Capabilities
- Large Turndown Ratio
- Graphite Gaskets
- Set Pressures to 400 psig / 27.6 bar
- Tight Shutoff with Elastomer Seats
- Easy Maintenance
- Arctic and Cryogenic Temperature Constructions Options
