OEM Part #:
210K-12

REPLACEMENT SEALS FOR ARMSTRONG 4300 SERIES PUMPS
Materials: AFLAS / Carbon / SC/ 316SS


SAF-25-1125-132
Armstrong Part #:
975002-304
VS-975002304 VS8B2 1 125 EPDM / Premium Carbon / SiC / 316 SS 975002-304
VS-975002304SC VS8B2 1 125 EPDM / Graphite Loaded SiC / SiC / 316 SS 975002-304SC
VS-975002334 VS8B2 1 625 EPDM / Premium Carbon / SiC / 316 SS 975002-334
VS-975002334SC VS8B2 1 625 EPDM / Graphite Loaded SiC / SiC / 316 SS 975002-334SC
VS-975002374 VS8B2 2 125 EPDM / Premium Carbon / SiC / 316 SS 975002-374
VS-975002374SC VS8B2 2 125 EPDM / Graphite Loaded SiC / SiC / 316 SS 975002-374SC
VS-975002394 VS8B2 2 625 EPDM / Premium Carbon / SiC / 316 SS 975002-394
VS-975002394SC VS8B2 2 625 EPDM / Graphite Loaded SiC / SiC / 316 SS 975002-394SC
Features
 External Seal Design
 Pressure Balanced
 Temperatures to 450° F with Aflas® o-rings
 Set Screw Driven for positive drive
 Multiple Springs create consistent face pressure
 Unitized Rotating Assembly simplifies installation
 Aflas® & FKM O-rings available upon request
Seal Solutions Seal Shaft Armstrong
Part No  Type Size Materials of Construction Part No 
VS-392 VS21  500 NBR / Premium Carbon / Cer / SS 816706-021
VS-3920 VS21  500 EPDM/SiC/SiC/SS 816706-021ESC
VS-185E VS21 1 250 EPDM / Premium Carbon / Cer / SS 975000-991
VS-978* VS21 1 250 NBR / Premium Carbon / Cer / SS 825458-001
VS-978V* VS21 1 250 FKM / Premium Carbon / Cer / SS 825458-003
VS-238E VS21 1 625 EPDM / Premium Carbon / Cer / SS 975000-993
* Tapered Spring
Seal Solutions Seal Shaft Bell & Gossett
Part No  Type Size Materials of Construction Part No 
VS-3023 VS2 1 250 EPDM / Premium Carbon / SiC / SS 975000-982
VS-3023VSC VS2 1 250 FKM / GR-SiC / SiC / SS 975000-982SC
VS-3025 VS2 1 625 EPDM / Premium Carbon / SiC / SS 975000-984
VS-3025VSC VS2 1 625 FKM / GR-SiC / SiC / SS 975000-984SC
VS-3035 VS2 2 125 EPDM / Premium Carbon / SiC / SS 975000-985
VS-3035VSC VS2 2 125 FKM / GR-SiC / SiC / SS 975002-985SC
MECHANICAL SEAL For Armstrong Fluid Technology Part# 975002-374
SAF-25-1625-132
Armstrong Part #:
975002-334

SAF-25-2125
SAF-25-2125-132
Armstrong Part #:
975002-374

SAF-25-2625