Ross Controls PUSHBUTTON SERIES 12 - Manual (Page 3)

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Series 12 Manual Valves
3/2 Pushbutton Valves, Spring Return
A
C
B
Port Valve Valve Model Number Avg. Dimensions inches (mm) Weight
Size Type Green Button Red Button C
V
A B C lb (kg)
1/4 2/2 - HD 1221B2001 1221B2003 0.8 2.7 (69) 2.3 (58) 3.0 (77) 1.8 (0.8)
1/4 3/2 - HD 1223B2001 1223B2003 0.8 2.7 (69) 2.3 (58) 3.0 (77) 1.8 (0.8)
1
2 12
STANDARD SPECIFICATIONS: For valves on this page.
Ambient/Media Temperature: 40° to 175°F (4° to 80
°C).
Flow Media: Filtered air; 5 micron recommended.
Inlet Pressure: 5 to 150 psig (0.3 to 10 bar) except Type RD;
5 to 125 psig (0.3 to 8.6 bar) on Type RD.
Ring-type Guard: Helps to protect against accidental valve actuation.
Order by following part number: 278B30
1
2 12
3
RD- Regular Duty
HD- Heavy Duty
Pushbutton operator
•
3-way construction
•
Button actuators available in red or green
•
Buttons are high-strength plastic
•
Ring guards available for both button styles
1.33
(34)
2.67 (68)
0.75
(19)
1.50 (38)
1.25
(32)
2.50
(64)
1.50
(38)
3.00
(76)
0.50(13)
Port 2
(outlet)
2.47
(63)
0.28 (7)
4 places
2.86 (73)
Travel
0.18 (5)
0.32 (8)
Port 1
(inlet)
4.75 (121)
2.50
(64)
HD valves: 278B30
Detailed Dimensions – inches (mm)
2/2 Normally Closed
3/2 Normally Closed
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.
Port Valve Valve Model Number Avg. Dimensions inches (mm) Weight
Size Type Green Button Red Button C
V
A B C lb (kg)
1/8 3/2 1223B1005 1223B1006 0.6 1.4 (35) 3.9 (100) 1.5 (39) 0.28 (0.13)
1/4 3/2 1223B2005 1223B2006 0.9 1.4 (35) 3.9 (100) 1.5 (39) 0.34 (0.15) 3/2 Normally Closed
STANDARD SPECIFICATIONS:
Ambient/Media Temperature: 40° to 175°F (4° to 80
°C).
Flow Media: Filtered air; 5 micron recommended.
Inlet Pressure: 5 to 150 psig (0.3 to 10.3 bar).
Valve Body: Die-cast aluminum.
Button Materials: Stainless steel, polyoxymethylene.
Spool Material: Aluminum.
Seals Material: Nitrile rubber.
Spring Material: Stainless Steel.
Switch Parts: Glass filled Nylon.
Port Threads: NPT, BSPP. For BSPP threads add a “D” prefix
to the model number e.g., D1223B1005.
OUT
NC NO
3/2 Normally Open
B
A
C
Transition Capacity Graph
1600
1400
1200
1000
800
600
400
200
0
pressure
psi (bar) 14.5
(1)
29.0
(2)
43.5
(3)
58.0
(4)
72.5
(5)
87.0
(6)
101.5
(7)
116.0
(8)
Qn (l/min)
1223A2005
1223A1005
2/2 and 3/2 Pushbutton Valves, Spring Return
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.