Replacement Parts

61
|
HYDRONIC SOLUTIONS CATALOG
RELIEF AND REDUCING VALVES
HYDRONIC SPECIALTIES | SUBMITTAL
Job:
Representative:
Engineer:
Contractor:
Order no: Date:
Submitted by: Date:
Approved by: Date:
combination relief and reducing valve
Bodies have built-in strainer, extra large diaphragms, ½" (12.7mm) sweat or threaded union
fitting and anti-siphon check valve feature on Reducing Valve. Reducing Valve is factory set
at 12 psi but is easily adjusted to meet varying building heights. The special composition
valve disc seat is brass and is practically noiseless during operation.
mounting orientation
The pressure reducing valve should be installed with
the flow arrow on the body pointing in the direction
of the flow.
model part number
C-11 216945-300
RL-11 216942-300
RD-11T/S 216944-300
model part number
RD-40 207937-343
RD-50 207937-300
HRD-70 207936-300
part numbers
model
size body construction
body
constr.
approx
ship.
weight
lbs (kg)
boiler fill
relief
valve
reducing valve
factory setting
del. press.
readjustable
range
C-11 K (12.7) K (12.7) 30 (13.6) 12 (5.44)
7 to 25
(3.18 to 11.34)
Brass 2.25 (1.02)
model size description
body
constr.
approx
ship.
weight
lbs (kg)
RL-11
K
(12.7)
Max setting- 30 lbs (13.61 kg)
Brass
1.25
(0.57)
RD-11T/S
reducing valves: All working parts are brass with
easily cleaned built-in strainer. Factory adjusted at 12 psi
suitable for buildings up to three stories high. Complete
with integral check valve, the RD-11 is equipped with
either a sweat or threaded tail piece on the inlet side.
RD-40
O
(19.0)
3.25
(1.47)
RD-50*
HRD-70
high pressure reducing valve: Factory adjusted for
150 lbs initial pressure, 45 lbs delivery pressure. Other
pressures must be specified when ordering. All working
parts (built in strainer and extra large diaphragm) are
brass. Complete with check valve.
All dimensions are in inches (mm) and weights in lbs (kg)
* The same unit is used in Armstrong Combination valve.
RD-40
RD-50
HRD-70
RD-11
RL-11
C-11
back to
contents
<