Series 27 poppet valves for line mounting, Single pressure controlled – Ross Controls GENERAL PURPOSE SERIES 27 User Manual
Page 2
www.rosscontrols.com
5
B
A
C
B
A
C
B
A
C
2/2 Valves
3/2 Valves
4/2 Valves
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: 1/4 to 1
1/2 Port Sizes: 15 to 150 psig (1 to 10 bar).
1
1/2 to 21/2 Port Sizes: 30 to 150 psig (2 to 10 bar).
Pilot Pressure: Must be equal to or greater than inlet pressure.
Threads: Model numbers above specify NPT pressure port
threads. For other threads, consult ROSS.
1
2
3
4
14
1
2
3
12
1
2
10
3
Normally Closed (NC)
Normally Open (NO)
1
2
10
Normally Closed (NC)
1
2
12
Normally Open (NO)
Port Sizes Valve Model Avg.
Dimensions inches (mm)
Weight
In-Out Exh.
Number
C
V
A
B
C
lb (kg)
1/4 1/2
2756A2001 2.5
4.0 (100)
3.9 (97)
4.0 (101)
1.8 (0.8)
3/8 1/2
2756A3001 3.6
4.0 (100)
3.9 (97)
4.0 (101)
1.8 (0.8)
1/2 1/2
2756A4011 3.7 4.0 (100)
3.9 (97)
4.0 (101)
1.8 (0.8)
1/2 1
2756A4001 6.9
4.7 (118)
5.3 (135)
5.8 (147)
4.3 (1.9)
3/4 1
2756A5001 8.2
4.7 (118)
5.3 (135)
5.8 (147)
4.3 (1.9)
1
1
2756A6011 8.9
4.7 (118) 5.3 (135)
5.8 (147)
4.3 (1.9)
1
11/2
2756A6001
23
6.5 (166)
8.3 (211)
7.5 (190) 10.3 (4.6)
11/4 11/2
2756A7001
24
6.5 (166)
8.3 (211)
7.5 (190) 10.3 (4.6)
11/2 11/2
2756A8011
25
6.5 (166)
8.3 (211)
7.5 (190) 10.3 (4.6)
Port
Valve Model Number
Avg. C
V
Dimensions inches (mm)
Weight
Size
NC
NO
NC NO
A
B
C
lb (kg)
1/4
2751A2001 2752A2001
2.3 2.3
3.6 (91)
3.2 (79)
3.8 (95)
1.3 (0.6)
3/8
2751A3001 2752A3001
3.8 3.3
3.6 (91)
3.2 (79)
3.8 (95)
1.3 (0.6)
1/2
2751A4011 2752A4011
4.0 3.5
3.6 (91)
3.2 (79)
3.8 (95)
1.3 (0.6)
1/2
2751A4001 2752A4001
7.7 6.5 4.6 (116)
3.2 (79)
4.5 (113) 2.0 (0.9)
3/4
2751A5001 2752A5001
9.0 7.3 4.6 (116)
3.2 (79)
4.5 (113) 2.0 (0.9)
1
2751A6011 2752A6011
9.0 7.9 4.6 (116)
3.2 (79)
4.5 (113) 2.0 (0.9)
1
2751A6001 2752A6001
24 21
6.7 (169)
4.1 (104)
7.5 (190) 8.0 (3.6)
11/4
2751A7001 2752A7001
29 20
6.7 (169)
4.1 (104)
7.5 (190) 8.0 (3.6)
11/2
2751A8011 2752A8011
29 21
6.7 (169)
4.1 (104)
7.5 (190) 8.0 (3.6)
11/2
2751A8001 2752A8001
49 49
8.7 (219)
5.2 (131)
9.0 (228) 14.3 (6.4)
2
2751A9001 2752A9001
57 57
8.7 (219) 5.2 (131)
9.0 (228) 14.3 (6.4)
21/2
2751A9011 2752A9011
64 72
8.7 (219)
5.2 (131)
9.0 (228) 14.3 (6.4)
Port Sizes
Valve Model Number Avg. C
V
Dimensions inches (mm)
Weight
In-Out Exh.
NC
NO
NC
NO
A
B
C
lb (kg)
1/4
1/2
2753A2001 2754A2001
2.8
2.5
3.6 (91)
3.2 (79)
4.0 (101) 1.3 (0.6)
3/8
1/2
2753A3001 2754A3001
4.0
3.0
3.6 (91)
3.2 (79)
4.0 (101) 1.3 (0.6)
1/2
1/2
2753A4011 2754A4011
3.8
3.0
3.6 (91)
3.2 (79)
4.0 (101) 1.3 (0.6)
1/2
1
2753A4001 2754A4001
7.8
7.2
4.6 (116)
3.6 (92)
4.8 (121) 2.0 (0.9)
3/4
1
2753A5001 2754A5001
9.4
7.2
4.6 (116)
3.6 (92)
4.8 (121) 2.0 (0.9)
1
1
2753A6011 2754A6011
10
7.2
4.6 (116)
3.6 (92)
4.8 (121) 2.0 (0.9)
1
11/2
2753A6001 2754A6001
29
21
6.7 (169) 4.9 (123)
7.5 (190) 6.0 (2.7)
11/4
11/2
2753A7001 2754A7001
31
22
6.7 (169) 4.9 (123)
7.5 (190) 6.0 (2.7)
11/2
11/2
2753A8011 2754A8011
31
21
6.7 (169) 4.9 (123)
7.5 (190) 6.0 (2.7)
11/2
21/2
2753A8001 2754A8001
69
58
8.7 (219) 6.4 (161)
9.5 (241) 15.3 (6.9)
2
21/2
2753A9001 2754A9001
70
60
8.7 (219) 6.4 (161)
9.5 (241) 15.3 (6.9)
21/2
21/2
2753A9011 2754A9011
71
55
8.7 (219) 6.4 (161)
9.5 (241) 15.3 (6.9)
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.
Single Pressure Controlled
Series 27 Poppet Valves for Line Mounting