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PartsTable / COMPONENT / EC38BZ121
EC38BZ121 ✓ 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 TUBE ALL ENDS, connection_style: SOCKET (TUBE) ALL ENDS, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL, valve_operation_method: AUTOMATIC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-438-9402, 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
EC38BZ121
NSN: 4820-01-438-9402
FSC: 4820
CAGE: 10855 — CARRIER CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSOCKET (TUBE) ALL ENDS
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL
valve_operation_methodAUTOMATIC
media_for_which_designedREFRIGERANT 12 SINGLE RESPONSE
nominal_outside_diameter_tube_accommodated0.375 INCHES ALL ENDS IN
NSN4820-01-438-9402
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: EC38BZ121 · 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
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
•
VALVE OPERATION METHOD: AUTOMATIC
•
CONNECTION STYLE: SOCKET (TUBE) ALL ENDS
•
MOUNTING POSITION: HORIZONTAL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES ALL ENDS IN
•
MATERIAL: COPPER ALLOY BODY
•
MEDIA FOR WHICH DESIGNED: REFRIGERANT 12 SINGLE RESPONSE
•
STYLE DESIGNATOR: STRAIGHT THRU
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
VALVE OPERATION METHODAUTOMATIC
CONNECTION STYLESOCKET (TUBE) ALL ENDS
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES ALL ENDS IN
MATERIALCOPPER ALLOY BODY
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 SINGLE RESPONSE
STYLE DESIGNATORSTRAIGHT THRU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
105477Interchangeable
interchangeable cross-reference
interchangeable
147263Interchangeable
interchangeable cross-reference
interchangeable
9252Interchangeable
interchangeable cross-reference
interchangeable
49724Interchangeable
interchangeable cross-reference
interchangeable
R51Interchangeable
interchangeable cross-reference
interchangeable
15124Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EC38BZ121?
EC38BZ121 is a VALVE,CHECK.
What parts can replace EC38BZ121?
There are 15 known substitutes for EC38BZ121: 105477, 147263, 9252 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for EC38BZ121?
EC38BZ121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-438-9402. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026