Industry Knowledge

303028 PISTON ASSEMBLY; 4.00 INCH X 1.00 INCH BORE, SERIES K

By 27 5 月, 2026No Comments

Product Name

303028 PISTON ASSEMBLY; 4.00 INCH X 1.00 INCH BORE, SERIES K

Brand

SKU

303028

Weight

6.80 LBS 4.08kg

Width

6.00 in 15.2cm

Height

5.00 in 12.7cm

Depth

3.00 in 7.6cm

Shipping

Calculated at Checkout

Product Description

Aplex SC-170DD Series K 4.00″ Piston Assembly SKU: 303028

This 4.00 Inch ID Series K Piston Assembly is a critical wear part for the Aplex SC-170DD mud pump. The piston seal (cup) is typically precision-molded from a composite of Nitrile Rubber (NBR) or HNBR and High-Strength Synthetic Fabric. The complete assembly includes the hub, seal, and retainer, ensuring a tight self-sealing fit against the liner under high fluid pressure. It is the core sealing component for guaranteeing high volumetric efficiency and long service life during HDD high-flow and high-pressure operation.

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