Good for pressures up to 200,000 psi, air operated valves feature replaceable seats, needles, and packings as well as electrical switches to indicate the open or closed position. Stainless or custom designs are available, for service in gas or liquid high pressure systems.
Features:
- Service for liquids and gases for pressures up to 200,000 psi
- Dual-position valves: normally open or normally closed
- Replaceable seat and packings
- Air actuator operating pressure of 3-60 psi
Options:
- Electrical switches to indicate open valve position
- Stainless steel valves for water service
- Custom design available
Air Operated Toggle Valves For 125,000 PSI

PRESSURE RATING, PSI | INLET PORT | OUTLET PORT | INSIDE DIA. OF SEAT, IN. | VALVE BODY | VALVE NORMALLY OPEN | VALVE NORMALLY CLOSED |
125,000 | 5M | 5M | 0.062 | Angle | E-3882-A | E-3881-A |
125,000 | 5M | 5M | 0.062 | Tee | E-3882-B | E-3881-B |
100,000 | 4L | 4L | 0.062 | Angle | E-3882-C | E-3881-C |
100,000 | 4L | 4L | 0.062 | Tee | E-3882-D | E-3881-D |
60,000 | 6L | 6L | 0.062 | Angle | E-3882-E | E-3881-E |
60,000 | 6L | 6L | 0.062 | Tee | E-3882-F | E-3881-F |
100,000 | 8L | 8L | 0.062 | Angle | E-3882-G | E-3881-G |
100,000 | 8L | 8L | 0.062 | Tee | E-3882-H | E-3881-H |
60,000 | 9L-3 | 9L-3 | 0.062 | Angle | E-3882-J | E-3881-J |
60,000 | 9L-3 | 9L-3 | 0.062 | Tee | E-3882-K | E-3881-K |
20,000 | 9L-5 | 9L-5 | 0.125 | Angle | E-3882-L | E-3881-L |
20,000 | 9L-5 | 9L-5 | 0.125 | Tee | E-3882-M | E-3881-M |
Air Operated Toggle Valves For 200,000 PSI

PRESSURE RATING, PSI* | INLET PORT | OUTLET PORT | INSIDE DIA. OF SEAT, IN. | VALVE NORMALLY OPEN | VALVE NORMALLY CLOSED |
150,000 | 2M | 2M | 0.052 | E-3793-A | E-3879-A |
150,000 | 2M | 4L | 0.052 | E-3793-B | E-3879-B |
150,000 | 2M | 1/4 NPT | 0.052 | E-3793-C | E-3879-C |
200,000 | 3M | 3M | 0.052 | E-3793-D | E-3879-D |
200,000 | 3M | 4L | 0.052 | E-3793-E | E-3879-E |
200,000 | 3M | 1/4 NPT | 0.052 | E-3793-F | E-3879-F |
150,000 | 6M | 6M | 0.052 | E-3793-G | E-3879-G |
150,000 | 6M | 4L | 0.052 | E-3793-H | E-3879-H |
150,000 | 6M | 1/4 NPT | 0.052 | E-3793-J | E-3879-J |
200,000 | 12H-1 | 12H-1 | 0.052 | E-3793-K | E-3879-K |
200,000 | 12H-1 | 4L | 0.052 | E-3793-L | E-3879-L |
200,000 | 12H-1 | 1/4 NPT | 0.052 | E-3793-M | E-3879-M |
200,000 | 12H-2 | 12H-2 | 0.052 | E-3793-N | E-3879-N |
200,000 | 12H-2 | 4L | 0.052 | E-3793-O | E-3879-O |
200,000 | 12H-2 | 1/4 NPT | 0.052 | E-3793-P | E-3879-P |
50,000 | 15F | 15F | 0.312 | E-3892-A | E-3893-A |
50,000 | 15F | 1/2 NPT | 0.312 | E-3892-B | E-3893-B |
100,000 | 16F | 16F | 0.156 | E-3894-A | E-3895-A |
100,000 | 16F | 1/2 NPT | 0.156 | E-3894-B | E-3895-B |
* Pressure rating applies to the inlet port.
Contact Harwood Engineering today to request more information from a high pressure equipment expert at 508-668-3600.