Model: DD692S4810-49ALT3

Piston Weighted Control Valve

Special Features:

First end flange outside dia.: 5.062 in.Nom; second end flange outside dia.: 5.562 in.Nom; first end connection type: plain face flange; first end style designator: l1; first end flange thickness: 0.438 in.Nom; second end connection type: flange plain face; second end flange thickness: 0.438 in.Nom; second end connection face to center line distance: 4.000 in.Nom; end connection qty: 2; second end relationship w/first end: not identical;

Properties:

Bolt Hole Quantity
6 1st end
Bolt Hole Quantity
6 2nd end
Maximum Operating Temp
425.0 degrees fahrenheit 2nd response
Bolt Hole Diameter
0.562 inches 1st end
Bolt Hole Diameter
0.562 inches 2nd end
Bolt Circle Diameter
3.938 inches 1st end
Bolt Circle Diameter
4.438 inches 2nd end
Material
Steel body
Material
Stainless steel flow control device
Media For Which Designed
Steam 2nd response
NSN
4820-00-639-9943
Part Number
DD692S4810-49ALT3
Description
Valve,weighted Control,piston
CAGE

A valve consisting of a ported, dead weighted, hollow piston which moves vertically across the inlet passage within the valve body. Changes in the pressure controlled position of the piston vary the effective area of the ports exposed to the inlet flow in such a manner as to maintain a constant outlet line pressure. It has no seats or disk. For dead weight loaded pressure regulating valve of seat and disk construction, see also valve, regulating, fluid pressure.

Part DD692S4810-49ALT3 NSN 4820-00-639-9943

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16994
FIIG:
A046B0
Concept No.:
1
App. Key:
BB
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
N

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481809050
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Other taps, cocks, valves, etc., nesoi

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