PartsTable
Technical Data Sheet

SRE-1/2-L1 — VALVE,EXPANSION

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SRE-1/2-L1: VALVE,EXPANSION.

The VALVE,EXPANSION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, body_style: STRAIGHT THRU, temp_rating: 140.0 FAHRENHEIT DEGF, bulb_media_type: GAS, flow_control_device: DISK, FLAT, end_item_identification: 1190-01-326-9932. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-357-9503, 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
SRE-1/2-L1
NSN: 4820-01-357-9503
FSC: 4820 — Valves, Nonpowered
CAGE: 78462 — PARKER-HANNIFIN CORP DIV SPORLAN DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
body_styleSTRAIGHT THRU
temp_rating140.0 FAHRENHEIT DEGF
bulb_media_typeGAS
flow_control_deviceDISK, FLAT
end_connection_quantity2
end_item_identification1190-01-326-9932
media_for_which_designedREFRIGERANT R-502
valve_equalizer_locationEXTERNAL
first_end_connection_typeUNTHREADED INTERNAL TUBE
first_end_style_designatorSOCKET
second_end_connection_typeUNTHREADED INTERNAL TUBE
NSN4820-01-357-9503
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SRE-1/2-L1 · 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
•
FLOW CONTROL DEVICE: DISK, FLAT
•
VALVE EQUALIZER LOCATION: EXTERNAL
•
TEMP RATING: 140.0 FAHRENHEIT DEGF
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
FIRST END STYLE DESIGNATOR: SOCKET
•
VALVE EQUALIZER CONNECTION DIAMETER: 0.250 INCHES NOMINAL IN
•
REFRIGERATION CAPACITY IN BTU PER HOUR: 6.0
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK, FLAT
VALVE EQUALIZER LOCATIONEXTERNAL
TEMP RATING140.0 FAHRENHEIT DEGF
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
BODY STYLESTRAIGHT THRU
FIRST END STYLE DESIGNATORSOCKET
VALVE EQUALIZER CONNECTION DIAMETER0.250 INCHES NOMINAL IN
REFRIGERATION CAPACITY IN BTU PER HOUR6.0
END CONNECTION QUANTITY2
SECOND END STYLE DESIGNATORSOCKET
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SRE-1/2-L1?
SRE-1/2-L1 is a VALVE,EXPANSION.
What is the NSN for SRE-1/2-L1?
SRE-1/2-L1 is cataloged in the U.S. Government catalog under NSN 4820-01-357-9503. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.