- PAMX-NO
- Normally Open Model
- Air-Actuated Valve Series
- ½"-2"
- NPT Connection
- ½"-2"
- Orifice Size
- 0-230 psi
- Operating Pressure
- 14-360°F
- Media Temperature
- 14-140°F
- Ambient Temperature
Add item to list
Datasheet(186 KB)
About Series PAMX-NO Air-Actuated Valves
These are normally open air-actuated valves made from 316 stainless steel. The valves are available in sizes from ½" to 2" NPT. The flow is always from port 2 to 1. These air-actuated valves come standard with an anti-waterhammer design.
Technical Specifications
Media Temperature: 14-360°F
Ambient Temperature: 14-140°F
Body Material: Stainless steel AISI 316L
Seal Material: PTFE
Pilot Media: Air, Inert Gases, Water
Optical Position Indicator: Standard
Anti-Waterhammer Design: Standard
Additional Information
Flow Type: Normally Open
Flow Direction: Under Seat (2→1)
Medium Examples: Water, Oil, Air, Steam, Aggressive Media*
*Working pressure with steam is 150 psi maximum
Note: Actuator housing 360° rotation.
Available Valve Models
To view valve dimensions, select any model number below.
| Model # | NPT | Orifice | Flow Rate (CV) | Operating Pressure (PSI) | Flow Direction | Pilot Pressure (PSI) | Actuator Diameter | ||
|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Under Seat | Min | Max | |||||
| PAMX 15 NO | ½" | ½" | 4.8 | 0 | 230 | 2→1 | 25 | 150 | 2 ½" |
| PAMX 20 NO | ¾" | ¾" | 9.0 | 0 | 230 | 2→1 | 25 | 150 | 2 ½" |
| PAMX 25 NO | 1" | 1" | 21.4 | 0 | 230 | 2→1 | 25 | 150 | 2 ½" |
| PAMX 32 NO | 1 ¼" | 1 ¼" | 31.0 | 0 | 230 | 2→1 | 25 | 150 | 2 ½" |
| PAMX 40 NO | 1 ½" | 1 ½" | 48.3 | 0 | 230 | 2→1 | 25 | 150 | 2 ½" |
| PAMX 50 NO | 2" | 2" | 59.3 | 0 | 175 | 2→1 | 25 | 150 | 2 ½" |
| PAMX 25-90 NO | 1" | 1" | 21.4 | 0 | 230 | 2→1 | 15 | 115 | 3 ½" |
| PAMX 32-90 NO | 1 ¼" | 1 ¼" | 31.0 | 0 | 230 | 2→1 | 15 | 115 | 3 ½" |
| PAMX 40-90 NO | 1 ½" | 1 ½" | 48.3 | 0 | 230 | 2→1 | 15 | 115 | 3 ½" |
| PAMX 50-90 NO | 2" | 2" | 59.3 | 0 | 230 | 2→1 | 15 | 115 | 3 ½" |