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911L509 — VALVE,BUTTERFLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

911L509: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 STEM, valve_size: 10.000 INCHES IN, special_features: WATERPROOF WORM AND GEAR OPERATOR WITH HYDRAULIC MOTOR SWITCH., style_designator: STRAIGHT THRU, operating_pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, maximum_operating_temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-212-9965, 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
911L509
NSN: 4820-01-212-9965
FSC: 4820 — Valves, Nonpowered
CAGE: 91363 — NORRISEAL NORRIS VALUES DIV DBA DOVER CO (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 STEM
valve_size10.000 INCHES IN
special_featuresWATERPROOF WORM AND GEAR OPERATOR WITH HYDRAULIC MOTOR SWITCH.
style_designatorSTRAIGHT THRU
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp180.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
end_item_identificationMODEL R1011-64AA-2F
material_document_and_classificationQQ-N-288 COMP A OR E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
NSN4820-01-212-9965
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 911L509 · 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
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B164 CLASS A ASSN STD SINGLE MATERIAL RESPONSE SEAT
•
OPERATING PRESSURE: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
VALVE SIZE: 10.000 INCHES IN
•
MAXIMUM OPERATING TEMP: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B164 CLASS A ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 COMP A OR E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A395 60-40-18 ASSN STD SINGLE MATERIAL RESPONSE BODY
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE SIZE10.000 INCHES IN
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT SINGLE RESPONSE DEGF
SPECIAL FEATURESWATERPROOF WORM AND GEAR OPERATOR WITH HYDRAULIC MOTOR SWITCH.
END ITEM IDENTIFICATIONMODEL R1011-64AA-2F
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
SUBSTITUTES & CROSS-REFERENCES 3
911-509Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
10" R1011-64AA-2EReference document
Same NSN cross-reference
Reference document — Secondary reference
10" R1011-64AA-2FReference document
Same NSN cross-reference
Reference document — Secondary reference
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 911L509?
911L509 is a VALVE,BUTTERFLY.
What parts can replace 911L509?
There are 3 known substitutes for 911L509: 911-509, 10" R1011-64AA-2E, 10" R1011-64AA-2F. Substitute compatibility should be verified for your specific system.
What is the NSN for 911L509?
911L509 is cataloged in the U.S. Government catalog under NSN 4820-01-212-9965. This indicates validated use in U.S. government and defense supply chains.
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