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Series PAMX-NO - 316SS Body, Air-Actuated Valves
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DatasheetDatasheet(186 KB)
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 (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"
SERIES PRESSURE CHART