Johnson Controls Tyco PRV-1A Manual

Model PRV-1A Pressure Reducing Valve
Pilot Operated
General
Description
The TYCO Model PRV-1
Reducing Valves, 2 in. to 8 in. (DN50
to DN200), are factory-assembled and
fully trimmed valve arrangements for
pressure control. They are used on
water filled pipes, where it is neces-
sary to reduce a higher inlet pressure to
a lower delivery pressure under static
and/or residual flowing conditions.
Valve is intended to
The Model PRV-1
A
automatically maintain the outlet "set
pressure" (static and residual) within
a close range, regardless of fluctua-
tions in the higher pressure inlet line or
varying flow rates.
The Model PRV-1 Valve is provided
A
with a factory outlet "set pressure"
of approximately 125 psi (8,6 bar);
however, it may be field set to a nominal
outlet "set pressure" of 90 to 175 psi
(6,2 to 12,1 bar).
Typical applications
• Within the main header, as shown
in Figure 1, supplying wet pipe, dry
pipe, deluge, or preaction system ris-
ers, and/or a standpipe system sup-
plying hose connections
• As part of a sectional floor control
assembly, as shown in Figure 2,
supplying sprinkler systems, and/or
hose stations
IMPORTANT
Refer to Technical Data Sheet
TFP2300 for warnings pertaining to
regulatory and health information.
Page 1 of 14
Features
• Eliminates any required bleeding
of trapped air from the diaphragm
chamber during installation
• Accurate pressure control
Pressure
A
• Epoxy coated internal and external
• One piece, one moving par t
diaphragm
• In-line service
• One pilot valve sub-assembly pro-
vides for any outlet "set pressure",
that is, 90 to 175 psi (6,2 to 12,1 bar)
NOTICE
The TYCO Model PRV-1
Reducing Valves described herein must
be installed and maintained in compli-
ance with this document and with the
applicable standards of the NATIONAL
FIRE PROTECTION ASSOCIATION
(NFPA), in addition to the standards
of any authorities having jurisdiction.
Failure to do so may impair the perfor-
mance of these devices.
End Connection
Groove x Groove
Flange x Flange (ANSI)
Flange x Flange (PN)
NOTES:
1. EMEA and APAC only.
AUGUST 2020
Worldwide
Contacts
Pressure
A
Owners are responsible for maintaining
their fire protection system and devices
in proper operating condition. Contact
the installing contractor or sprinkler
manufacturer with any questions.
Due to the flow regulating characteris-
tic of this device, its impact on system
hydraulics should be carefully consid-
ered, especially when retrofitted into
existing systems.
Available End Connections
Nominal Valve Size
2 (50) 3 (80)
✓ ✓
N/A
✓
1 N/A
✓
www.tyco-fire.com
in. (DN)
4 (100) 6 (150) 8 (200)
✓ ✓
✓ ✓
✓ ✓
TFP1581
✓
✓
✓