Telepneumatic Airline Accessories - Parker Fluid Control - #29

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Catalog MRO-6/USA (Revised 05/29/08)
Automatic Drip Leg Drain, Relief Valve
Flow Controls & Accessories Features & Operation
Relief Valve
Automatic Drip Leg Drain
A
AB
ABC
0.75 Hex
1.88 - 2.25
2.50
2.37
0.87
19 mm
47.8 - 57.2 mm
64 mm
60 mm
22 mm
Features
• Auto drain ported 1/8" to pipe away liquid.
• Drain has manual override.
• Easily serviced without tool.
• 20-250 PSIG range.
• Compact size.
Features
• Large relief capacity in a compact size.
• Lightweight aluminum construction with resilient seat.
Application
The RV01A1N Pop Off Relief Valve is designed to protect against excessive pressure buildup in a pneumatic circuit or system.
Operation*
With the relief valve mounted in a reservoir or system, the force of system pressure at (A) is offset by the force of spring (C) acting on poppet seat (B). At pressures lower than the setting, the poppet seat (B) is held against the body at (A) effecting a seal. As pressure approaches set point, the poppet begins to vent until set point is reached, at which time the poppet seat (B) lifts off the body at (A) allowing the excess pressure to vent to atmosphere at (F). When the excess pressure has been vented, the spring (C) acts on the poppet seat (B) forcing it to seat on the body at (A), sealing off the flow of air.
Specifications
Housing & Cap.......................................................Aluminum
Port Threads...................................................1/4" - 1/2" Top
1/8" Drain
Pressure and Temperature Ratings:
Metal Bowl..........................20 to 250 PSIG (0 to 17.2 bar)
32°C to 175°F (0°C to 80°C)
Seals...........................................................................Buna N
Specification
Body & Adjusting Screw.
Locking Nut ......................
Seat....................................
.Aluminum
.........Steel
........Nitrile
Ordering Information
Consists of Drip Leg Drain Housing WITH Auto Drain.
Model No.
Size
06D1NA
1/4"
06D3NA
1/2"
Spring.............................................................................Steel
Poppet.........................................................................Plastic
Operating Temperature...........32°F to 200°F (0°C to 93°C)
Port Threads....................................................1/4 Inch Male
Relief Range............................10 to 200 PSIG (.7 to 14 bar)
with standard spring. * Ref: 1RV100B Installation & Service Instructions
Ordering Information
Seals
RV01A1N
XXX
—I—
10 -200 PSI
Blank
V
BUNA
Flurocarbon
A21
Parker Hannifin Corporation
Pneumatic Division Richland, Michigan

pageCatalog pdf di En 2012-05-22-31