For Commercial and Industrial high-pressure applications,
like factories, office building, restaurants, etc, Fisher has a
wide variety of products and solutions. For ease of reference,
only the most popular commercial and industrial regulators
are shown on this page. Other orifice sizes, body sizes and
outlet pressure ranges are available. The higher capacities on
commercial and industrial installations usually require a Two-
Stage regulator system.
Note: Because of various spring ranges and orifice
sizes, all commercial and industrial regulators should be
individually sized for the particular installation. Consult
specific product bulletins for maximum pressures ratings.
Contact your local Fisher Distributor for assistance.
Type 627 & 630 – Large capacity direct-operated high
pressure regulators designed for loads up to 10.7 and 14
million BTU/HR respectively. The 627 and 630 are normally
used in conjunction with Type S302G or S202G units, however,
they can also be used on Final-Stage (pounds to pounds)
service. A Type 1805 relief valve is recommended to prevent
excessive build-up in the downstream line. The diaphragm
case and body of the type 627 can be rotated in four positions
to allow easy installation. Additional configurations of the 627
with internal relief and control line connections for monitor
systems are available. For both the 630 and 627, additional
pressure ranges and orifice sizes are available.
Type 99 – Pilot-operated unit keeps outlet pressure constant
despite varying flow rates and inlet pressures. Designed to
handle loads up to 36 million BTU/HR, the type 99 is ideal for
multiple customer installations. The unique pilot design, with
fast opening and closing operation, makes the 99 ideal for
large industrial boiler applications. The 99 can be used for
low or high pressure. A downstream control line is required.