PartsTable / COMPONENT / 785Y 1-1/2IN
785Y 1-1/2IN
✓ 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 785Y 1-1/2IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-087-8451, 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
785Y 1-1/2IN
NSN: 4820-00-087-8451 FSC: 4820 CAGE: 12168 — NIBCO INC (USA)
SPECIFICATIONS
Part Number 785Y 1-1/2IN NSN 4820-00-087-8451
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY
Rising STEM
BONNET
FLOW →
→ FLOW
SEATS
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—
SIZE: — · — · —
PN: 785Y 1-1/2IN · 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
• DISK LOADING METHOD: SPRING
• VALVE OPERATION METHOD: AUTOMATIC
• MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390, ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
• MATERIAL: COPPER ALLOY 836 OVERALL
• STYLE DESIGNATOR: STRAIGHT THRU
• NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.500 INCHES ALL ENDS IN
• CONNECTION STYLE: SOCKET (TUBE) ALL ENDS
• MEDIA FOR WHICH DESIGNED: STEAM SINGLE RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
DISK LOADING METHOD SPRING VALVE OPERATION METHOD AUTOMATIC MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-390, ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL MATERIAL COPPER ALLOY 836 OVERALL STYLE DESIGNATOR STRAIGHT THRU NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 1.500 INCHES ALL ENDS IN CONNECTION STYLE SOCKET (TUBE) ALL ENDS MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE OPERATING PRESSURE 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS FLOW CONTROL DEVICE DISK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
2145 Interchangeable interchangeable cross-reference
interchangeable
0400-0009 Interchangeable interchangeable cross-reference
interchangeable
78M Interchangeable interchangeable cross-reference
interchangeable
QQ-A-200/11 Interchangeable interchangeable cross-reference
interchangeable
AMS-QQ-A-200/11 Interchangeable interchangeable cross-reference
interchangeable
40820 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 785Y 1-1/2IN?
785Y 1-1/2IN is a 785Y 1-1/2IN.
What parts can replace 785Y 1-1/2IN?
There are 7 known substitutes for 785Y 1-1/2IN: 2145, 0400-0009, 78M and 4 more. Substitute compatibility should be verified for your specific system.
Is 785Y 1-1/2IN still available?
785Y 1-1/2IN is currently cancelled.
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