Model: 680-3 PL-135 VITON 1-2IN

Lift-check Valve

Properties:

Thread Class
2a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Integral
Maximum Operating Temp
225.0 degrees fahrenheit single response
Connection Style
External seat for gasket seal (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external boss all ends
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
12 all ends
Maximum Operating Pressure
6000.0 pounds per square inch single response
Thread Size
1.750 inches all ends
Seat Angle
37.0 degrees all ends
Material
Copper alloy body
Material
Nickel alloy 400 seat and nickel alloy r-405 seat
Material
Plastic polyamide flow control device
Material Specification
Qq-n-281 federal specification single material response seat
Media For Which Designed
Water-oil-gas single response
Style Designator
Straight thru
Thread Series Designator
Un all ends
NSN
4820-01-131-9523
Part Number
680-3 PL-135 VITON 1-2IN
Description
Valve,lift-check
CAGE
99565

A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also valve, stop-check and valve, stop-lift-check.

Part 680-3 PL-135 VITON 1-2IN NSN 4820-01-131-9523

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
27828
FIIG:
A530B0
Concept No.:
1
App. Key:
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:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
050855
UFC:
29290
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481301090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over

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