PartsTable
Technical Data Sheet
F918B4 ✓ 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 922 FLOW CONTROL DEVICE, valve_size: 4.000 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU FLANGED ENDS, mounting_position: HORIZONTAL OR VERTICAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-202-7642, 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
F918B4
NSN: 4820-00-202-7642
FSC: 4820
CAGE: 12168 — NIBCO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 922 FLOW CONTROL DEVICE
valve_size4.000 INCHES IN
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
style_designatorSTRAIGHT THRU FLANGED ENDS
mounting_positionHORIZONTAL OR VERTICAL
nominal_thickness0.938 INCHES ALL ENDS IN
bolt_hole_quantity8 ALL ENDS
flange_face_designPLAIN ALL ENDS
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
NSN4820-00-202-7642
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: F918B4 · 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
RENEWABLE SEAT RING TYPE: THREADED
FACE TO FACE DISTANCE: 11.500 INCHES IN
FLANGE FACE DESIGN: PLAIN ALL ENDS
FLANGE SHAPE: ROUND WITH HOLES ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMFEB000 ASSN STD SINGLE MATERIAL RESPONSE BODY
CONNECTION TYPE: FLANGE ALL ENDS
MAXIMUM OPERATING TEMP: 150.0 FAHRENHEIT SECOND RESPONSE DEGF
NOMINAL THICKNESS: 0.938 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
RENEWABLE SEAT RING TYPETHREADED
FACE TO FACE DISTANCE11.500 INCHES IN
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONASTMFEB000 ASSN STD SINGLE MATERIAL RESPONSE BODY
CONNECTION TYPEFLANGE ALL ENDS
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE DEGF
NOMINAL THICKNESS0.938 INCHES ALL ENDS IN
MATERIALCOPPER ALLOY 922 SEAT
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
0607Interchangeable
interchangeable cross-reference
interchangeable
3734Interchangeable
interchangeable cross-reference
interchangeable
GS570CT2Interchangeable
interchangeable cross-reference
interchangeable
1048712-4-4Interchangeable
interchangeable cross-reference
interchangeable
1048712-4-4REVDInterchangeable
interchangeable cross-reference
interchangeable
373YELInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F918B4?
F918B4 is a VALVE,CHECK.
What parts can replace F918B4?
There are 20 known substitutes for F918B4: 0607, 3734, GS570CT2 and 17 more. Substitute compatibility should be verified for your specific system.
Is F918B4 still available?
F918B4 is currently cancelled.
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