PartsTable
Technical Data Sheet
4144-3 PL1123 ✓ Verified by PartsTable
· GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET (PIPE) ALL ENDS, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL OR VERTICAL, operating_pressure: 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-078-9916, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4144-3 PL1123
NSN: 4820-01-078-9916
FSC: 4820
CAGE: 32142 — HYDRASEARCH COMPANY, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET (PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL OR VERTICAL
operating_pressure350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
media_for_which_designedWATER, FRESH SINGLE RESPONSE
nominal_pipe_size_accommodated0.500 INCHES ALL ENDS IN
NSN4820-01-078-9916
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 4144-3 PL1123 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
OPERATING PRESSURE: 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FLOW CONTROL DEVICE: DISK
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
MATERIAL: COPPER ALLOY BODY
DISK LOADING METHOD: SPRING
CONNECTION STYLE: SOCKET (PIPE) ALL ENDS
MOUNTING POSITION: HORIZONTAL OR VERTICAL
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING PRESSURE350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FLOW CONTROL DEVICEDISK
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
MATERIALCOPPER ALLOY BODY
DISK LOADING METHODSPRING
CONNECTION STYLESOCKET (PIPE) ALL ENDS
MOUNTING POSITIONHORIZONTAL OR VERTICAL
MATERIALCOPPER ALLOY SEAT
VALVE OPERATION METHODAUTOMATIC
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
4144Interchangeable
interchangeable cross-reference
interchangeable
4165Interchangeable
interchangeable cross-reference
interchangeable
A3405Interchangeable
interchangeable cross-reference
interchangeable
BLK4144Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636Interchangeable
interchangeable cross-reference
interchangeable
AS4167Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4144-3 PL1123?
4144-3 PL1123 is a VALVE,CHECK.
What parts can replace 4144-3 PL1123?
There are 15 known substitutes for 4144-3 PL1123: 4144, 4165, A3405 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4144-3 PL1123?
4144-3 PL1123 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-078-9916. This indicates validated use in U.S. government and defense supply chains.
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