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P4000 Mechanical Dump Valve
Mechanically operated dump valve designed for use with a P8000 trunnion assembly or other float-operated levers. Balanced diaphragm design provides stable operation unaffected by fluid pressure. Features simple maintenance, acetal bushings for reduced friction, and O€‘ring seals for improved service life.
Applications:
- Separators
- Power oil systems
- Knockouts and treaters
Features:
- Balanced diaphragm unaffected by fluid pressure
- Simple maintenance with removable bonnet
- Acetal bushings reduce friction and wear
- O-ring seals for longer life and reduced adjustments
- Fits P8000 float trunnion assemblies
Specifications
Weight
20-59 lbs depending on size and connection
Case/Body
Ductile Iron
Port Size
2", 3" NPT
Body Sizes
2" x 2", 3" x 3"
Connection
NPT or RF
Connections
Female NPT or 150 RF flange
Body Material
Ductile Iron
Trim Material
Ductile Iron or Acetal Cage
Application(s)
Mechanical liquid level dump control
Diaphragm Material
Nitrile or Fluorocarbon
Temperature Range(s)
Nitrile: -20° to 180°F (-2°9 to 82°C); Fluorocarbon: 0° to 400°F (-17° to 150°C); HSN: -55° to 300°F (-48° to 150°C)
Output Pressure Range
Dependent on trunnion/float assembly torque
Maximum Inlet Pressure
125 psig operating pressure
Max Inlet Body Pressure
300 psig (2"), 250 psig (3")
Valve Plug/Orifice Material
Nitrile, Polyurethane, or Fluorocarbon seat options
Maximum Input/Supply Pressure
Mechanical actuation (no pneumatic signal)
P4000 FLOW COEFFICIENT (Cv)
| Body Size | Trim Size | Valve Opening (%) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | ||
| 2" | 1.5 | 4.76 | 6.59 | 10.1 | 12.47 | 14.5 | 17 | 19.32 | 21.3 | 22.26 | 23.6 |
| 3" | 3" | 8 | 15 | 22 | 28 | 35 | 42 | 48 | 52 | 56 | 59 |
Find Your Part Number
Not sure? Call for help. Phone: 1-800-833-3127
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