Pilot Operated Check Valves
Pilot Operated Check Valves
19 Series Cylinder Position Holding
Right Angle
Models with Threaded Banjo Port Size
1/8
CV
Valve Model Number
Port 12
1/8
1958A1010
10-32 UNF
Port 1 Port 2 (female threads) (male threads)
1-2
2-1
Tightening Torque Max. Ft-lb (Nm)
0.4
0.4
22.13 (30)
1/4
1/4
1958A2010
10-32 UNF
0.8
0.7
14.75 (20)
3/8
3/8
1958A3010
10-32 UNF
1.2
1.3
22.13 (30)
1/2
1/2
1958A4010
10-32 UNF
2.3
2.2
29.50 (40)
G1/8
G1/4
D1958A1010*
M5
0.4
0.4
7.38 (10)
G1/4
G1/4
D1958A2010*
M5
0.8
0.7
8.85 (12)
G3/8
G3/8
D1958A3010*
M5
1.2
1.3
14.75 (20)
G1/2
G1/2
D1958A4010*
M5
2.3
2.2
22.13 (30)
* BSPP port threads. Valve Dimensions – inches (mm) 1.7 (41)
1.9 (48)
0.5 (13)
Port Size 1/8
0.7 (17)
Port Size 1/4
Pilot Signal Port
Pilot Signal Port
Port 2
Port 1
Port 1
2.6 (66)
2.2 (55) 0.9 (22)
Port Size 3/8
Port 2
1.1 (27)
Port Size 1/2
Pilot Signal Port
F4
Pilot Signal Port
Port 2 Port 1
Port 2 Port 1
4
4
3
3
3
2
1
1 0 0 2 P2 (bar)
2
3
4
5
6
7
8
G1/8 - 1/8 NPTF
0 0 2 P2 (bar)
(bar)
4
3
(bar)
4 (bar)
(bar)
Signal Pressure: The charts below show the minimum signal pilot port pressure to open the valve versus port 2 pressure (P2) when there is no pressure at port 1 (P1 = 0 bar).
2
1
1 3
4
5
6
7
8
G1/4 - 1/4 NPTF
0 0 2 P2 (bar)
F
2
3
4
5
6
7
8
G3/8 - 3/8 NPTF
0 0 2 P2 (bar)
3
4
5
6
7
8
G1/2 - 1/2 NPTF
Accessories & Options Manual Trapped Pressure Relief Adapter
Manual Override
Port 1
Port 2
Port Threads
Model Number*
5/32
10-32 Manual Operated Check
NPT
1998A1015
M5
M5 Manual Operated Check
BSPP
D1998A1010
* Adapter threads into the signal port.
Valve Illustrated with Optional Manual Trapped Pressure Relief Adapter
STANDARD SPECIFICATIONS (for valves on this page): Construction: Poppet. Mounting Type: In-Line. Ambient/Media Temperature: 15° to 160°F (-10° to 70°C).
Flow Media: Filtered air. Operating Pressure: 15 to 150 psig (1 to 10 bar).
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS, WARNINGS on the inside back cover. Online Version Rev. 11/14/16
www.rosscontrols.com
F4.3
19 Series Cylinder Position Holding
Right Angle
Models with Threaded Banjo Port Size
1/8
CV
Valve Model Number
Port 12
1/8
1958A1010
10-32 UNF
Port 1 Port 2 (female threads) (male threads)
1-2
2-1
Tightening Torque Max. Ft-lb (Nm)
0.4
0.4
22.13 (30)
1/4
1/4
1958A2010
10-32 UNF
0.8
0.7
14.75 (20)
3/8
3/8
1958A3010
10-32 UNF
1.2
1.3
22.13 (30)
1/2
1/2
1958A4010
10-32 UNF
2.3
2.2
29.50 (40)
G1/8
G1/4
D1958A1010*
M5
0.4
0.4
7.38 (10)
G1/4
G1/4
D1958A2010*
M5
0.8
0.7
8.85 (12)
G3/8
G3/8
D1958A3010*
M5
1.2
1.3
14.75 (20)
G1/2
G1/2
D1958A4010*
M5
2.3
2.2
22.13 (30)
* BSPP port threads. Valve Dimensions – inches (mm) 1.7 (41)
1.9 (48)
0.5 (13)
Port Size 1/8
0.7 (17)
Port Size 1/4
Pilot Signal Port
Pilot Signal Port
Port 2
Port 1
Port 1
2.6 (66)
2.2 (55) 0.9 (22)
Port Size 3/8
Port 2
1.1 (27)
Port Size 1/2
Pilot Signal Port
F4
Pilot Signal Port
Port 2 Port 1
Port 2 Port 1
4
4
3
3
3
2
1
1 0 0 2 P2 (bar)
2
3
4
5
6
7
8
G1/8 - 1/8 NPTF
0 0 2 P2 (bar)
(bar)
4
3
(bar)
4 (bar)
(bar)
Signal Pressure: The charts below show the minimum signal pilot port pressure to open the valve versus port 2 pressure (P2) when there is no pressure at port 1 (P1 = 0 bar).
2
1
1 3
4
5
6
7
8
G1/4 - 1/4 NPTF
0 0 2 P2 (bar)
F
2
3
4
5
6
7
8
G3/8 - 3/8 NPTF
0 0 2 P2 (bar)
3
4
5
6
7
8
G1/2 - 1/2 NPTF
Accessories & Options Manual Trapped Pressure Relief Adapter
Manual Override
Port 1
Port 2
Port Threads
Model Number*
5/32
10-32 Manual Operated Check
NPT
1998A1015
M5
M5 Manual Operated Check
BSPP
D1998A1010
* Adapter threads into the signal port.
Valve Illustrated with Optional Manual Trapped Pressure Relief Adapter
STANDARD SPECIFICATIONS (for valves on this page): Construction: Poppet. Mounting Type: In-Line. Ambient/Media Temperature: 15° to 160°F (-10° to 70°C).
Flow Media: Filtered air. Operating Pressure: 15 to 150 psig (1 to 10 bar).
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS, WARNINGS on the inside back cover. Online Version Rev. 11/14/16
www.rosscontrols.com
F4.3
