254/264
Series Valves
Bidding Specifications
Recommended
The 1" 254 or [
3
⁄
4
" / 1"] 264 Series valve
Electric Models
The valve shall be a normally closed
configuration with 18" solenoid lead wires
Installation Instructions
shall be of globe configuration with a
male-threaded inlet and
In all installations, it is advantageous
[male-threaded/barbed] outlet connection. that attach to a removable 24 V a.c., 50/60 to mount valves in a valve box. Logically,
The valve cap shall be constructed of
glass-filled Zytel for stability under
pressure. The diaphragm shall be of
single-piece rubber construction to retain and to purge contaminants without the
flexibility and provide maximum sealing
throughout its area. The diaphragm
assembly shall form a solid-piece
cycle solenoid with a waterproof coil. The if mounted in valve boxes, they can be
valve shall have a self-cleaning, stainless- found, accessed and maintained easily.
®
steel metering pin to protect bleed ports
Instructions should include the use of
clean aggregate to fill the bottom of the
box, and keeping valve box locations
away from structures, potential
use of a filter screen.
The valve shall be developed,
manufactured, qualified and released in
without removing the valve from the line. the USA. The valve, model number
__________________________, shall be
manufactured by The Toro Company,
Irrigation Division, El Paso, Texas, USA.
hardscaping features (such as sidewalks)
and large planting locations. Additionally,
valve box locations generally should be
in shrub beds and at right angles to
structure locations. Valves can be direct-
buried, but should be specified with a 4"
PVC sleeve and a Toro valve cover
(Part No. 850-00) to allow access to the
top of the valve.
component. All parts shall be serviceable
The valve shall have a forward-flow
design and an external manual
downstream bleed/flush. The 254 Series
valve shall have manual flow control with
a hand-operated, rising-type flow-control
stem with a control wheel/handle.
264
Series non-flow-control models shall
be an available option. For " models,
friction loss at 15 GPM shall not exceed
The 254/264 Series comes in
3
⁄
male x male thread or male x barb
fittings. These configurations allow a
choice for either PVC or polyethylene
applications.
4
6.5 PSI, and for 1" models, friction loss at
GPM shall not exceed 10.5 PSI. The
45
burst pressure safety rating shall be
Electric control valve instructions
should specify direct-burial wire, utilizing
different colors for hot hookup to each
remote location and one color for the
common wire to all valves.
750
PSI.
An effluent flow-control knob shall be
an available option on 254 Series models.
Watertight splice connections are
absolutely essential for proper valve
operation. For future service
considerations, expansion loops at each
valve location are recommended.
254/264
Friction Loss
GPM
Flow
3
⁄
4
"
1"
Electric
<1.0
<1.0
<1.0
1.5
Electric
.5
1
3
5
2.0
2.0
2.3
3.1
4.0
5.4
7.0
8.7
10.5
10
15
20
25
30
35
40
45
3.0
6.5
Note: For optimum performance when
designing a system, calculate total friction loss
to ensure sufficient downstream pressure.
SEPTEMBER 2000
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| Categories | Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro 254 Series, Toro 264 Series |
| Download File |
|
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939 |
| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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