Submittal Sheet
Technical Data
Materials
Body and internal moving parts: brass
Cover:
glass fiber reinforced nylon PA66G30
Control spindle: stainless steel
Diaphragm and seals: NBR
Filter: stainless steel
Performance
Suitable Fluids: water
Max. working pressure: 365 psi (25 bar)
Downstream pressure setting range: 6 - 90 psi (0.5–6 bar)
Factory setting: 15 psi (1.035 bar)
Max. working temperature: 140°F (60°C)
Max. flow rate: 24 gpm at 21 psid pressure drop
Pressure gauge scale: 0-100 psi (0-7 bar)
Filter mesh size: 0.51 mm (35 mesh)
Environmental: indoor only
Connections:
Main: ¾" NPT male union
¾" sweat union
¾" press
Lay length (press connection): 4-7/16"
Pressure gauge: 1/8" NPT
Typical Specification
Furnish and install on the plans and described herein, a Caleffi AutoFill™
5350 series automatic filling valve as manufactured by Caleffi. Each valve
must be designed with a compensated seat and self-contained cartridge.
The filling valve design must have a brass body and internal moving parts
and include a glass fiber reinforced nylon PA66G30 cover, stainless steel
filter with 0.51 mm mesh size (35 mesh), NBR diaphragm and seals.
The filling valve must be
come complete with adjustment knob with
downstream presure regulating indicator showing increasing or
decreasing pressure direction for manual setting, pressure gauge with
2 inch dial, scale 0-100 psi (0-7 bar), connection 1/8" NPT male. Max.
working temperature 140°F (60°C), max. upstream pressure 365 psi
(25 bar), downstream pressure setting range 6-90 psi (0.5-6 bar).
Connections 3/4" NPT male, 3/4" sweat, and 3/4" press.
(See product
instructions for specific installation information.)
CALEFFI
Application
The 5350 series AutoFill™ automatic fi lling valve is a pressure
reducing valve which when installed on the water inlet piping in
closed hydronic systems will maintain system pressure at a set value,
automatically filling up with water as required. Fast fills the system
to set pressure then automatically shuts off the water feed. This
product is factory pre-set to 15 psi system pressure. To adjust the set
pressure, simply turn the adjustment knob while observing the integral
dowmstream pressure gauge. This product has the characteristic of
being pre-adjustable, which means that it can be adjusted at the right
pressure value before the system charging phase. After installation,
the system pressure will automatically adjust itself to the set value and
the water feed will stop when the set pressure is reached. The internal
cartridge containing all the controlling components is preassembled
as a self-contained unit, to facilitate inspection and maintenance
procedures.
Submittal Data 02940 NA — Issue Date 07/2015
Dimensions
We reserve the right to change our products and their relevant technical data, contained in this publication, at any time and without prior notice. Contractors should request production drawings if prefabricating the system.
Job name ______________________________________
Job location ______________________________________
Engineer ______________________________________
Mechanical contractor ________________________________
Contractor’s P.O. No. ________________________________
Representative ________________________________
Size ________________________________________
Quantity ________________________________________
Approval ________________________________________
Service ________________________________________
Tag No. ________________________________________
Notes ________________________________________
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0
60
20
40
80
100
0
1
2
5
6
7
3 4
psi
bar
CA
L
EFF
I
A
A
B
E
DC
B’
A
A
B
E
D
C
B’
2015
AutoFill™
automatic filling valve
5350 series
Code A B B’ C D E Wt. (lb.)
535051A
3
⁄4" NPT 5
1
⁄2" 3
1
⁄2"
13
⁄16" 4
7
⁄16" 2
1
⁄8" 2.3
535056A
3
⁄4" press 6
1
⁄4" 3
1
⁄2"
13
⁄16" 4
7
⁄16" 2
1
⁄8" 2.3
535059A
3
⁄4" SWT 5
1
⁄2" 3
1
⁄2"
13
⁄16" 4
7
⁄16" 2
1
⁄8" 2.3