Page 67 - Parker- Parker global air preparation system

Catalog 0750-3 US P31D / P32D Series
Global Air Preparation System Dump Valves

Technical Information Flow Charts

Fluid: Compressed air P31DA 1/4" Remote Dump Valve
Max. pressure solenoid operated: 10 bar (150 psig) Inlet Pressure - 6.3 bar (91.3 psig)
8
Max. pressure air pilot operated: 17 bar (250 psig) 100
10 bar
Min. operating pressure: 3 bar (44 psig) 6 6.3 bar 130.5 psig 145 psig
9.0 bar
8.0 bar
Temperature Max.* solenoid operated: -10°C to 50°C 80 5 6.0 bar 7 bar 116 psig
91.4 psig
87 psig
(14°F to 122°F) 60 Secondary Pressure - bar 7 4 5.0 bar 101.5 psig
Temperature Max.* air pilot operated: -20°C to 80°C Secondary Pressure - (psig) 3 58 psig 72.5 psig
4.0 bar
3.0 bar
(-4°F to 176°F) 40 2 43.5 psig
Air pilot port: 1/8" 20 1
Exhaust port: P31D - 1/4" / P32D - 1/2"
0
Gauge port: P31D - 1/8" / P32D - 1/4" 0 5 10 15 20 25 30 35 3 40 45 50 55 60 65 70
Flow - dm /s
Typical flow with 6.3 bar 0 20 40 60 80 100 120 140
3
inlet pressure and 1 bar P31D 17 dm /s (36 scfm) Flow - (scfm)
3
pressure drop: P32D 51 dm /s (108 scfm) P32DA 1/2" Remote Dump Valve
* Air supply must be dry enough to avoid ice formation at temperatures below +2 C
°
10 bar
Snap pressure: Full flow when downstream pressure reaches 50% of the inlet pressure Inlet Pressure - 6.3 bar (91.3 psig) 145 psig
8 9.0 bar
Material Specifications 100 91.4 psig 7 bar 116 psig 130.5 psig
6.3 bar
8.0 bar
6.0 bar
Body: Aluminum 80 6 87 psig 101.5 psig
5.0 bar
Body cover: Polyester Secondary Pressure - (psig) 60 Secondary Pressure - bar 7 5 4 4.0 bar 72.5 psig
Seals: Nitrile NBR 40 3 43.5 psig 58 psig
3.0 bar
Mounting Brackets 20 2 1
Part number 0 0
80
Description P31D 0 20 40 60 Flow - dm /s 100 120 140 150
3
L-bracket mounting kit P3HKA00ML 0 40 80 120 160 200 240 280 320
Foot bracket mounting kit P3HKA00MC Flow - (scfm)
Note:
For solenoid operators and cable plugs (connectors) see pages 76 to 77.
Dimensions mm (inches)
P31D P32D 73
(2.87)
136
166 (5.35) 1/8"
Gauge
(6.53) 84 Port 174.5 1/4"
(3.30) (6.87) Gauge
Port
37 227.3
(1.45) (8.95) 109.5
(4.31)
30.5 64.5
(1.20) (2.53)
4
40
(1.57) 53
(0.15) (2.08)
24
(0.94)
57 6
(2.24) (0.23)
57.2
(2.25)
26
75 (1.02)
For mounting brackets see page 56. (2.95)
67 Parker Hannifin Corporation
Pneumatic Division
Richland, Michigan
www.parker.com/globalfrl