Single Spring Mechanical Seal 4357 | PS-4357 Equivalent (G-Type / 2100)
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DESCRIPTION
Single Spring Mechanical Seal 4357 | PS-4357 Equivalent
Direct-fit G-Type replacement equal to industry standard 4357 / PS-4357. Designed to the John Crane 2100 style for reliable, leak-tight performance. Configured with an EPDM/Carbon/Silicon Carbide face combination, ideal for demanding pump applications.
This seal is supplied with a #129 L-shaped O-ring (75 duro) for proper sleeve fit. Unlike some OEM designs that use an offset/center-mount seat O-ring, this PS-style seal uses a bottom-mount seat O-ring layout for easier installation and direct compatibility.
Key specs: • Shaft size: 2.000″ single spring seal • Seat: 2.75″ x 0.500″ • Rotary OD: 2.598″ • Working length: 1.500″
Material build: Carbon/Silicon Carbide/EPDM (Carbon, Silicon Carbide faces, EPDM elastomers)
Fitment &Applications:
Compatible with a variety of pump models including:-
VSX-VSC 8.125 (4 x 6 x 10.5B RHR, 10 HP)
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VSX-VSH 10.5 (6 x 8 x 10.5 RHR, 75 HP)
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VSX-VSC 9.375 (5 x 6 x 10.5B)
Cross Reference:
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OEM Part Number: P5001889
Please click “specifications” below for OEM numbers and Pump Nameplate Data
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SPECIFICATIONS
OEM numbers: P5001889
Brands: BELL & GOSSETT (A XYLEM Brand)
Nameplate Data: VSX: MODEL(S)VSX-VSC 8.125 4X6X10.5B RHR, 10 HP ;VSX – VSH 10.5 , 6X8X10.5 RHR , 75HP ; VSX-VSC 9.375 , 5X6X10.5B,
Cross References & Alternative Part Numbers
Primary cross references
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Industry size: 4357
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U.S. Seal equivalent: PS-4357
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OEM reference: Bell & Gossett (Xylem) P5001889
Common alternate listings
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SJE-4357 (listed as a replacement for B&G P5001889 / U.S. Seal PS-4357)
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VS–4357SC (alternate listing name used by some seal suppliers for the same application family)
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Seal/material code: QCFLF (often shown on PS-4357 / P5001889 listings)
Search-friendly number variants
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PS-4357 = PS4357 = PS 4357
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P5001889 = P-5001889 = P 5001889
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2.000″ = 2″ = 2 inch
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