Model: DD1937

Check Valve

Properties:

Flow Control Device
Disk
Bolt Hole Quantity
12 all ends
Maximum Operating Temp
425.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
100.0 pounds per square inch single response
Outside Diameter
10.125 inches all ends
Face To Face Distance
15.500 inches
Thickness
0.562 inches all ends
Bolt Hole Diameter
0.688 inches all ends
Bolt Circle Diameter
8.875 inches all ends
Flange Face Design
Plain all ends
Material
Copper alloy body
Material
Nickel alloy seat
Material
Nickel alloy flow control device
Media For Which Designed
Water-oil-gas single response
Style Designator
Straight thru
Nondefinitive Specification/std Data
1 class and 1 type
NSN
4820-00-266-9515
Part Number
DD1937
Description
Valve,check
CAGE
95321

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part DD1937 NSN 4820-00-266-9515

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05487
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
123.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
F
LVL_B:
F

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481301010
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

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

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