Fisher Type 627 Regulator
Fisher Type 627 Pressure Reducing Regulator
Fisher 627 Series regulators are direct-operated and built for low or high-pressure gas systems. They handle natural gas, air, and various other gases-performance depends on how they're configured.
Main features
Internal relief valve protects downstream equipment
•Travel stop on 627R/627MR ensures consistent performance
•Relief indicator shows when venting
•Easy maintenance with minimal parts
•Flexible installation fits various piping layouts
•Works across multiple gas applications
•Tamper-resistant design
•Handles low to high flow demands
Detailed parameters
|
Item |
Description |
|
Body Sizes |
NPS 1, 1.25, 1.5, 2 |
|
End Connections |
NPT, ANSI Class 125/150 Flange (depending on model) |
|
Pressure Class |
Up to 250 psig inlet (varies by model) |
|
Outlet Pressure Range |
Wide range depending on spring selection |
|
Operation |
Direct-acting, spring-loaded |
|
Media |
Natural gas, air, propane, inert gases |
Application areas
Natural gas distribution - Drops inlet pressure for service lines, commercial piping, and building supplies.
Industrial gas systems - Feeds boilers, heaters, furnaces, and burners with steady pressure.
Oil & gas facilities - Handles utility gas, separator fuel, dehydrator skids, and plant air.
General utilities - Regulates compressed air, inert gas, and plant utility lines.
Why Choose Us
We're the source.
We make the valves ourselves. Machining, assembly-it's all done in our own shop.
Distributors come to us. Engineering contractors come to us. Why? No middleman marking things up. That's how we keep prices down.
Got stock. Ship fast.
We keep a lot of common sizes sitting in the warehouse. Need a replacement in a hurry? We can get it out the same day. Working on a long-term project? We'll supply as you go. International shipping? We've done it enough-it's smooth.
Quality stays the same, batch after batch.
We do the machining in-house. We do the inspection in-house. What you get this time is what you'll get next time. No surprises.
Don't see it on the website? Just ask.
What's on the site is only part of what we make. Lots of models didn't make it up there yet. Ask us. Chances are we've got it. If we don't, we'll help you find a way.
Bottom line: Good products. Straight people.
FAQ
Q: What's the difference between all these Fisher 627 models?
A: Each one is built for a specific job. Here's the lineup:
Q: Need a solid all-around regulator?
A: Go with the 627 - standard model with a pitot tube, handles high flow.
Q: Worried about overpressure?
A: The 627R has built-in relief. It vents if pressure gets too high.
Q: Want relief that doesn't trip easily?
A: 627LR uses a slow-speed relief spring-fewer nuisance vents.
Q: Need better stability?
A: 627M has a stem seal design. Holds pressure steady.
Q: Stability plus overpressure protection?
A: That's the 627MR - takes the 627M and adds internal relief.
Q: High outlet pressure?
A: 627H comes with a diaphragm limiter. Built for higher outlet settings.
Q: High pressure plus stem seal?
A: 627HM - high pressure version with the stem seal.
Q: Dealing with special gas or need balanced performance?
A: Look at the balanced trim series: 627BM, 627BMR, 627BHM. They handle challenging gases and keep things stable.
Q: Need emergency shutdown for fuel systems?
A: Check the 627OSX with OPSO or UPSO. Shuts things down if pressure goes outside safe limits.
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