* NPT port threads. For BSPP threads add a “D” prefix to the model number e.g., D1968B2007. Valve Dimensions – inches (mm)
High Capacity Control Valves
D1 Body Size 3/8
Low Profile High Capacity Control Valves Body Size 3/4
Port 2 (controlled flow)
5.69 Port 1 (145)
1.75 (44)
1.06 (27)
Body Size 11/4
Body Size 2
Port 2 (controlled flow) Port 1
0.41 (10) dia. 2 places Port 2 (controlled flow)
Adjusting Knob
9.58 (243) 4.00 (102)
3.11 (79) 2.25 (57)
2.25 (57)
6.80 (173)
Operation: To increase flow: Turn adjustment screw out. To decrease flow: Turn adjustment screw in. Flow Adjustment: From 0 to Maximum Flow.
0.78 (20) 1.56 (40)
3.75 (70)
1.75 (44)
4.60 (117)
Body Size 11/4
5.00 (127)
3.06 (78)
2.20 (56)
1.31 (33)
7.07 (180)
Body Size 3/4
Port 2 (controlled flow)
5.19 Port 1 (132)
2.81 (71)
Adjusting Knob
2.46 (63)
Port 1 4.38 (111) 1.45 (37)
3.96 (101) 3.12 (79)
5.00 (127)
Numbers of Slot/Knob Turns: Port sizes 1/4 and 3/8: 14. Port sizes 1/2, 3/4: 12. Port sizes 1, 11/4: 24. Port sizes 11/2, 21/2: 24.
STANDARD SPECIFICATIONS (for valves on this page): Construction: Poppet. Mounting Type: Line mounting. Ambient/Media Temperature: 40° to 175°F (4° to 80°C).
Flow Media: Filtered air. Pressure Range: 5 to 150 psig (0.3 to 10 bar).
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS, WARNINGS on the inside back cover.