• 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

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.

Series PAMX-NO - Cross-Sectional View
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 (21)
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 #NPTOrificeFlow
Rate
(CV)
Operating
Pressure
(PSI)
Flow
Direction
Pilot
Pressure
(PSI)
Actuator
Diameter
MinMaxUnder SeatMinMax
PAMX 15 NO½"½"4.802302→1251452 ½"
PAMX 20 NO¾"¾"9.002302→1251452 ½"
PAMX 25 NO1"1"21.402302→1251452 ½"
PAMX 32 NO1 ¼"1 ¼"31.002302→1251452 ½"
PAMX 40 NO1 ½"1 ½"48.302302→1251452 ½"
PAMX 50 NO2"2"59.301752→1251452 ½"
PAMX 25-90 NO1"1"21.402302→1151153 ½"
PAMX 32-90 NO1 ¼"1 ¼"31.002302→1151153 ½"
PAMX 40-90 NO1 ½"1 ½"48.302302→1151153 ½"
PAMX 50-90 NO2"2"59.302302→1151153 ½"

Series Pressure Chart