187 1/2-3IN — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

187 1/2-3IN: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 SEAT, connection_style: BEVELED (PIPE) ALL ENDS, special_features: 3 IN. VALVE SIZE IN, style_designator: STRAIGHT THRU, operating_pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: WEIGHT.

This part is cataloged in the U.S. Government catalog under NSN 4820-00-003-8320, 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

187 1/2-3IN

NSN: 4820-00-003-8320
FSC: 4820 — Valves, Nonpowered
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)

SPECIFICATIONS

material	STEEL COMP 416 SEAT
connection_style	BEVELED (PIPE) ALL ENDS
special_features	3 IN. VALVE SIZE IN
style_designator	STRAIGHT THRU
operating_pressure	600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	WEIGHT
flow_control_device	DISK
maximum_operating_temp	850.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_method	AUTOMATIC
media_for_which_designed	STEAM FIRST RESPONSE
renewable_seat_ring_type	WELDED
nominal_pipe_size_accommodated	3.000 INCHES ALL ENDS IN
NSN	4820-00-003-8320

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

RENEWABLE SEAT RING TYPE: WELDED

•

NOMINAL PIPE SIZE ACCOMMODATED: 3.000 INCHES ALL ENDS IN

•

CONNECTION STYLE: BEVELED (PIPE) ALL ENDS

•

STYLE DESIGNATOR: STRAIGHT THRU

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A-216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
RENEWABLE SEAT RING TYPE	WELDED
NOMINAL PIPE SIZE ACCOMMODATED	3.000 INCHES ALL ENDS IN
CONNECTION STYLE	BEVELED (PIPE) ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A-216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A-351 GRADE CA15 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A-473 TYPE 416 ASSN STD SINGLE MATERIAL RESPONSE SEAT
OPERATING PRESSURE	600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MAXIMUM OPERATING TEMP	850.0 FAHRENHEIT SINGLE RESPONSE DEGF

OTHER ITEMS IN FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230

SUBSTITUTES & CROSS-REFERENCES 2

B1007114B02TSReference document

Same NSN cross-reference

Reference document — Secondary reference

MILV18436Reference 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 187 1/2-3IN?

187 1/2-3IN is a VALVE,CHECK.

What parts can replace 187 1/2-3IN?

There are 2 known substitutes for 187 1/2-3IN: B1007114B02TS, MILV18436. Substitute compatibility should be verified for your specific system.

What is the NSN for 187 1/2-3IN?

187 1/2-3IN is cataloged in the U.S. Government catalog under NSN 4820-00-003-8320. This indicates validated use in U.S. government and defense supply chains.

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