Toro High Chair 254 264 Series User Manual

254/ 264 Series  
Plastic Valves  
V A L V E S  
Extremely rugged residential/commercial valves designed for reliable  
performance.  
20 and 25mm (34" and 1") Electric Models  
Features  
254-06-04  
254-16-04  
• Male-threaded inlet and male-threaded or barbed outlet available  
Barbed insert models for use with poly pipe  
• Manual flow control: adjustable to zero flow (254 Series)  
• Manual bleed screw  
264-16-04  
264-06-03  
264-06-04  
Effluent flow-control  
knob available  
(Part No. 89-7855)  
Energy-efficient solenoid  
• 45cm (18") lead wires for easy-access installation  
• Self-cleaning, stainless-steel metering pin (electric models)  
Manual bleed screw  
Optional  
flow control  
• Stainless-steel diaphragm differential spring for smooth, positive  
closing  
• Single-piece rubber diaphragm for reliable, leak-free valve closing  
Tough, glass-filled Zytel® cap and body provides stability under  
pressure  
Tough, glass-  
filled Zytel cap  
and body  
• Zytel Super Tough and stainless-steel construction for exceptional  
durability  
Single-piece rubber  
diaphragm  
Available with or without flow control  
Specifications  
Stainless-steel  
metering pin  
25mm (1") Models  
Recommended flow range: 19-170 LPM (5-45 GPM)  
• Operating pressure: 1.4-10 Bar (20-150 PSI)  
Burst pressure safety rating: 52 Bar (750 PSI)  
254 Male x Male Valve  
Body styles: Globe valve  
• 2X4-06: 25mm (1") male-threaded inlet and outlet  
254 / 264 Series Friction Loss Chart – Metric Data (Bar)*  
• 2X4-16: 25mm (1") male-threaded inlet, 25mm (1") insert  
(barbed) outlet  
Flow (LPM)  
2
25  
<0,1 0,1 0,4 0,7  
0,1 0,2 0,2 0,3 0,4  
50  
75 100 125  
20mm (34") Electric  
25mm (1") Electric  
• Solenoid: 50/60 Hz (24 V.a.c.)  
• Inrush: 0.30 Amps, 7.20 VA  
• Holding: 0.20 Amps, 4.80 VA  
*Values are listed in Bar. For kPa values, multiply tabular values by  
100. For Kg/cm2 values, multiply tabular values by 1,02. Flow rates  
are recommended not to exceed 0,35 Bar loss  
• Dimensions:  
• 254 Series (with flow control):  
152 x 115mm (H x W) (6" x 412") (H x W)  
254 / 264 Series Friction Loss Chart – English Data (PSI)  
• 264 Series (without flow control):  
115 x 115mm (H x W) (412" x 412") (H x W)  
Flow (GPM) 0.5  
1
3
5
10 15  
20 25  
30  
3
4" Electric <1.0 <1.0 <1.0 1.5 3.0 6.5  
20mm (3⁄4") Models  
1" Electric  
2.0 2.0 2.3 3.1 4.0 5.4  
Recommended flow range: 2-57 LPM (0.5-15.0 GPM)  
• Operating pressure: 1-10 Bar (15-150 PSI)  
Burst pressure safety rating: 52 Bar (750 PSI)  
Note: For optimum sprinkler performance when designing a system,  
calculate total friction loss to ensure sufficient downstream pressure.  
Flow rates are recommended not to exceed 5 PSI loss.  
Specifying Information  
Body style: Globe valve  
• 20mm (34") male-threaded inlet and outlet  
2X4 X6 0X  
• Solenoid: 50/60 Hz (24 V.a.c.)  
• Inrush: 0.25 Amps, 6.00 VA  
Flow Control Body Threads  
Size  
5–w/ F.C.  
0–Male Thread x Male Thread-NPT 3–20mm (34")  
6–w/o F.C. 1–Male Thread x Barb-NPT  
For Example:  
4–25mm (1")  
• Holding: 0.19 Amps, 4.50 VA  
When specifying a 25mm (1") electric 264 Series valve  
without flow control and with a male thread x 25mm (1") insert,  
you would specify:  
• Dimensions:  
76 x 102mm (H x W) (3" x 4" H x W)  
264-16-04  
3
4
20mm ( ⁄ ") available with male x male thread without flow control only.  
 

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