Armstrong pump rebuild kits can be built to meet all your pumping needs. We offer tungsten and silicon carbide faces for abrasive, corrosive and high temp applications. All of our products are made to meet or exceed OEM specifications.
**All OEM names and part numbers are used for reference purposes only. All of our products are aftermarket seal kits and parts**
Model 4300, 4302 & 4312
(outside balanced style seal for stuffing box design pumps)
Frame sizes 143 TC – 256 TC (1.125” seal)
Kit includes mechanical seal (975002-304), seal gaskets and case gaskets
(426401-002, 426401-003, 426401-004, and 426401-006).
Model 4300 & 4302
(inside single spring seal rebuild kits include an original US Seal type E Mechanical Seal, retaining ring & case gaskets. HVAC service kits contain an EPR / P-66 Carbon / Silicon Carbide seal. High Temp kits contain a Viton / P-66 Carbon / Silicon Carbide seal.