Model: NMP611 OP A, DISC AY, FW SERVICE

Safety Relief Valve

Special Features:

Flanges iaw mil-f-20042, 150 lb.

Properties:

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Bolt Hole Quantity
8 all ends
Maximum Operating Temp
425.0 degrees fahrenheit single response
End Application
W/s cvn nr boundary area
Valve Operation Method
Automatic or manual
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Features Provided
Manual override
Valve Size
3.500 inches
Adjustable Pressure Range
+11.0/+17.0 pounds per square inch
Maximum Operating Pressure
100.0 pounds per square inch single response
Outside Diameter
7.188 inches all ends
Thickness
0.500 inches all ends
First Connection Face To Centerline Distance
7.250 inches
Bolt Hole Diameter
0.562 inches all ends
Second Connection Face To Centerline Distance
5.500 inches
Bolt Circle Diameter
6.062 inches all ends
Flange Face Design
Plain all ends
Material
Copper alloy flow control device
Material
Copper alloy stem
Material
Copper alloy body
Material
Nickel alloy seat
Material Specification
11-n-268 federal specification single material response seat
Material Specification
Mil-b-16541 military specification single material response body
Material Specification
Mil-b-16541 military specification single material response flow control device
Material Specification
Qq-b-637 comp i federal specification single material response stem
Media For Which Designed
Water, fresh single response
Test Data Document
Mil-s-901c specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Furnished Items And Quantity
1 lever
Specification Data
81349 - mil-v-20065c government specification
Nondefinitive Specification/std Data
A-1 type and c class
Departure From Cited Document
Relief valve
NSN
4820-01-538-2850
Part Number
NMP611 OP A, DISC AY, FW SERVICE
Description
Valve,safety Relief
CAGE
15187

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Part NMP611 OP A, DISC AY, FW SERVICE NSN 4820-01-538-2850

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
Concept No.:
1
App. Key:
AP
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:
--
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:
Q
LVL_B:
Q

Freight Classification

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

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Schedule B and Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Safety or relief valves

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