The primary function of a liner is to regulate the flow and pressure of drilling fluid during piston operation. We manufacture both chrome-plated and ceramic liners. When paired with Kevlar pistons, ceramic liners can deliver maximum service life between maintenance intervals.
Our liners are compatible with the following pump brands: FMC, Aplex, KERR, Hengtan, and Prime Drilling.
Our signature color is orange — a visual mark that your liner was manufactured by BORG. When ordering directly from us, you receive an additional 6-month warranty on top of the standard coverage.
Guaranteed Compatibility
We guarantee that any liner purchased from BORG Pumps GmbH will fit your drilling pump perfectly. Choose reliability and precision — choose BORG Pumps GmbH!
Liner 2.25" for KERR KM-3250PT, KM-3300PT (BG-KM-285-225)
Material:
Material: CERAMIC
Brand pump: KERR
380,00€
Liner 3.5" Chrome for KERR KT-3350PT, KT-3400PT (BG-KT-285-350-CHROME)
Material: CHROME
Used on drilling rigs: Vermeer 50x100, Vermeer 80x100
Brand pump: KERR
480,00€
Liner 4" Chrome plated for KERR KA-3500PT, KA-5500PT (BG-KA-285-400CH)
Material:
Material: CHROME
Used on drilling rigs: Vermeer 80x100, Vermeer 100x120
Brand pump: KERR
520,00€
Liner 5" Chrome for Gardner Denver THE
GPT-FG45650
Optimized for high-load environments, this liner maintains pressure and fluid regulation. Liners in mud pumps help regulate fluid ..
Liner 6" Chrome for Ellis Williams EW 440/446
GPT-L-446-600-O-CH
Optimized for high-load environments, this liner maintains pressure and fluid regulation. Liners in mud pumps help regulate fluid ..
Liner ceramic 1.75" for KERR KM-3250PT, KM-3300PT (BG-KM-285-175)
Material:
Material: CHROME
Brand pump: KERR
420,00€
Liner Ceramic 1.75" for KERR KZ-3150PT (BG-KZ-285-175CER)
Material: CERAMIC
Used on drilling rigs: Universal 12x15
Brand pump: KERR
250,00€
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