252
Series Valves
Toro 252 Series plastic valves are
extremely versatile, rugged commercial
valves designed to provide a wide array
of options for a variety of water
conditions. Some models feature a
fine-mesh, removable, stainless-steel filter
screen for easy cleaning in dirty water
conditions.
Specifying Information
252
XX
0X
Activation Type
—1" (25mm) Electric
—1 " (40mm) Pin-Type Hydraulic
—Normally Open Hydraulic
" or 2" (40 or 50mm) Electric, Debris-Resistant
" or 2" (40 or 50mm) Electric
" or 2" (40 or 50mm) Pressure-Regulated
Size
06
20
21
25
26
27
4—1" (25mm)
1
6—1⁄" (40mm)
2
8—2" (50mm)
1
⁄
2
—1
—1
—1
1
⁄
2
1
⁄
2
1
⁄
2
For Example:
" (40mm) electric 252 Series Valve
with pressure regulation, you would specify:
When specifying a 1⁄
1
2
252–27–06
Specifications
■
Flow range:
1"— 5.0-40.0 GPM
❚ 11⁄2"— 25.0-120.0 GPM
2"— 60.0-180.0 GPM
Operating pressure:
PSI maximum
■
Removable, self-flushing, 120-mesh,
stainless-steel filter screen
(pressure-regulating and
contamination-resistant models)
Glass-filled Zytel cap for stability under
pressure
Engineering plastic and stainless-steel
construction for exceptional durability
❚
❚
■
■
■
20-150
■
■
Burst pressure safety rating: 750 PSI
Body styles: Globe/Angle valve
❚ 1", 11⁄2" or 2" female-threaded inlet and
outlet
■ Effluent flow-control knob available
(Part No. 89-7855)
2"
Electric
❚
BSP threads available
Energy-efficient solenoid: 24 V a.c.
■
■
❚
Inrush: 0.30 amps,
7.20
VA
Bidding Specifications
❚
Holding: 0.20 amps,
4.80
VA
The [1" / 1⁄" / 2"] 252 Series valve shall
1
2
Dimensions:
be of globe/angle configuration with a
female-threaded inlet and outlet. The
valve cap shall be constructed of glass-
❚
❚ 11⁄2"— 7
❚ 2"— 91⁄2" H x 7" W
Globe/Angle configuration
Stainless-steel valve seat (11⁄2" & 2"
models) to protect valve body
Fabric-reinforced diaphragm (11⁄2" & 2"
models)
1"— 63⁄4" H x 41
⁄2" W
3
⁄4" H x 6" W
filled Zytel for stability under pressure.
®
■
■
The 1 " and 2" valves shall have a
1
⁄
2
stainless-steel valve seat for maximum
durability. The diaphragm shall be of
single-piece rubber construction to retain
flexibility and provide maximum sealing
throughout its area. The valve shall have a
■
■
■
Rubber diaphragm (1" model)
Manual flow control: adjustable to zero fabric-reinforced diaphragm on 11⁄2" and 2"
flow
Manual bleed screw
models and a rubber diaphragm on 1"
models. The diaphragm assembly shall
form a solid-piece component.
The valve shall have a forward-flow
design and an external manual
downstream bleed/flush. The valve shall
have manual flow control with a
hand-operated, rising-type flow-control
stem with a control wheel/handle. For 1"
models, friction loss at 40 GPM shall not
exceed 7.5 PSI on electric, angle valves
and 9.5 on electric, globe valves. For 1⁄2"
1
models, friction loss at 120 GPM shall not
■
■
24" lead wires (11⁄2" & 2" electric
models) or 18" lead wires (1" electric
model) for easy-access installation
Self-cleaning, stainless-steel metering
pin (electric models)
Stainless-steel diaphragm differential
spring for smooth, positive closing
Single-piece rubber diaphragm for
reliable, leak-free valve closing
Precise pressure control
■
■
■
■
■
(pressure-regulating models)
Built-in Schrader-type valve
(pressure-regulating models)
(continued)
SEPTEMBER 2000
| Categories | Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro 252 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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