Single Spring Mechanical Seal 4490 | PS-4490 Equivalent (G-Type / 2100)
Single Spring Mechanical Seal 4490 | PS-4490 Equivalent (G-Type / 2100)
| Weight | 1 lbs |
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| Dimensions | 8 × 6 × 4 in |
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DESCRIPTION
Single Spring Mechanical Seal 4490 | PS-4490 Equivalent
Direct-fit G-Type mechanical seal replacement equal to industry standard 4490 and PS-4490. Built to the John Crane 2100 style for reliable, leak-tight performance in commercial HVAC/hydronic pump service.
Key specs: • Shaft size: 2-1/2″ (2.500″) single spring seal • Seat: 3.375″ × 0.562″ • Rotary OD: 3.268″ • Working length: 1.811″
Standard material build: SIC / SIC / VIT — Silicon Carbide vs. Silicon Carbide faces; Viton/FKM elastomers (Many OEM builds use a carbon rotary—this version is upgraded to SiC/SiC for longer life.)
Fitment / notes
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VSX 8×6 series; OEM reference: P5001086 , P5001891
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Sleeve uses #140 O-ring
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Please click “specifications” below for OEM numbers and Pump Nameplate Data
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SPECIFICATIONS
OEM numbers: P5001086 , P5001891
Brands: XYLEM INC.
Nameplate Data: VSX
Cross References & Alternative Part Numbers
Primary cross references (most searched)
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4490 / PS-4490
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Industry style: G-Type / John Crane 2100
OEM reference numbers
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Bell & Gossett / Xylem: P5001086
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Bell & Gossett / Xylem: P5001891
Aftermarket “alternate” numbers
P5001086SP (aftermarket replacement listing format for P5001086)
Search/typing variations (same part, different formatting)
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PS-4490 = PS4490 = PS 4490
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P5001086 = P-5001086 = P 5001086
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P5001891 = P-5001891 = P 5001891
Disclaimer: Manufacturer names and part numbers are used for reference/cross-reference only and do not imply OEM manufacture.
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PHYSICAL PROPERTIES
Quick Specs – PS-4490 Mechanical Seal (4490)
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Style: Unitized single spring mechanical seal
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Equivalent style: G-Type / John Crane 2100
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Shaft size: 2-1/2″ (2.500″)
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Stationary seat: 3.375″ OD × 0.562″ thick
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Rotary assembly OD: 3.268″
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Operating height (working length): 1.811″
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Materials: Silicon Carbide vs Silicon Carbide faces, Viton (FKM) elastomers
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Notes: Uses #140 sleeve O-ring; commonly referenced for VSX 8×6 applications
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OEM cross refs: B&G / Xylem P5001086, P5001891
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