Description
The Fisher 627 Series Pressure Regulator is designed for commercial and industrial gas systems where consistent pressure control is essential.
It helps maintain stable downstream pressure under fluctuating inlet conditions, supporting safe operation and long-term system reliability. This series is widely used in utilities, industrial facilities, and commercial installations.

Specifications
- 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, Aluminum-Bronze
Contact Sales Office for Special Alloys
- 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
Practical Design for Real Projects
With a compact and proven design, the Fisher 627 Series allows flexible installation in space-limited environments.
Multiple configurations are available to meet different flow and pressure requirements, making it suitable for both new projects and replacement applications.
Reliable supply and responsive support make it a practical choice for ongoing procurement and project-based needs.

Clear nameplate and robust construction for industrial use

Designed for stable pressure control in commercial and industrial systems
As a benchmark in the industrial pressure regulation field, the Fisher 627 series is renowned for its outstanding stability and long service life. With our profound channel integration capabilities, we directly connect with the source supply chain to ensure that every delivered device is an original genuine product. Relying on a complete warehousing system, we always keep a large amount of inventory for the 627 series, significantly shortening the procurement cycle. Whether it is for single-unit replacement or large-scale project matching, we can provide highly competitive business prices and full-process delivery guarantees, helping you ensure project quality while optimizing costs.

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