PartsTable
Technical Data Sheet
18H-580 ✓ 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

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: STEEL CORROSION RESISTING SEAT, body_style: ANGLE, temp_rating: -40.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF, furnished_items: ADAPTER AND OUTLET PRESSURE GAGE, regulation_type: AUTOMATIC SINGLE STAGE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-922-0085, 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
18H-580
NSN: 4820-00-922-0085
FSC: 4820
CAGE: 96355 — MATHESON CO DIV OF G D SEARLE MEDICAL PRODUCTS (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialSTEEL CORROSION RESISTING SEAT
body_styleANGLE
temp_rating-40.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF
furnished_itemsADAPTER AND OUTLET PRESSURE GAGE
regulation_typeAUTOMATIC SINGLE STAGE
surface_treatmentCHROMATE OUTSIDE
flow_control_deviceCONE AND DIAPHRAGM
valve_loading_methodSPRING
outlet_pressure_range0.0 TO 200.0 CAMERA MOUNT
end_connection_quantity2
media_for_which_designedARGON OR HELIUM AND NITROGEN, GASEOUS
NSN4820-00-922-0085
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 18H-580 · 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
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.960-14 NGO SECOND END
SURFACE TREATMENT: CHROMATE OUTSIDE
MEDIA FOR WHICH DESIGNED: ARGON OR HELIUM AND NITROGEN, GASEOUS
FIRST END STYLE DESIGNATOR: PLAIN
FIRST END CONNECTION TYPE: THREADED EXTERNAL PIPE
FURNISHED ITEMS: ADAPTER AND OUTLET PRESSURE GAGE
SECOND END CONNECTION TYPE: THREADED EXTERNAL GAS CYLINDER
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.960-14 NGO SECOND END
THREAD SIZE AND SERIES/TYPE DESIGNATOR1/4-18 NPT FIRST END
SURFACE TREATMENTCHROMATE OUTSIDE
MEDIA FOR WHICH DESIGNEDARGON OR HELIUM AND NITROGEN, GASEOUS
FIRST END STYLE DESIGNATORPLAIN
FIRST END CONNECTION TYPETHREADED EXTERNAL PIPE
FURNISHED ITEMSADAPTER AND OUTLET PRESSURE GAGE
SECOND END CONNECTION TYPETHREADED EXTERNAL GAS CYLINDER
REGULATION TYPEAUTOMATIC SINGLE STAGE
BODY STYLEANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
67A230C147Interchangeable
interchangeable cross-reference
interchangeable
92-87Interchangeable
interchangeable cross-reference
interchangeable
000993-961Interchangeable
interchangeable cross-reference
interchangeable
2180E3114Interchangeable
interchangeable cross-reference
interchangeable
5A6796Interchangeable
interchangeable cross-reference
interchangeable
860834Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18H-580?
18H-580 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 18H-580?
There are 10 known substitutes for 18H-580: 67A230C147, 92-87, 000993-961 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18H-580?
18H-580 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-922-0085. This indicates validated use in U.S. government and defense supply chains.
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