Garlock
Lined butterfly valves and the plastic-bodied Gar-Seal Series 400 — a long-established sealing and valve manufacturer, part of EnPro Industries, sourced by LibertyCES through its regional distribution relationship with Allied Fluid Products.
What LibertyCES sources from Garlock
Garlock, founded in 1887 and now part of EnPro Industries, is a long-established manufacturer of gaskets, seals, and valves for chemical, petrochemical, and industrial process service. LibertyCES sources Garlock's lined butterfly valve line through its regional distribution relationship with Allied Fluid Products, not as a direct Garlock-authorized distributor.

PTFE, UHMWPE, or PVDF liner options — lug and wafer body styles for sterile, corrosive, toxic, and abrasive service.

Plastic-bodied butterfly valve purpose-built for non-metallic pipe systems, rather than a metal body with a lined bore.
Garlock — Real Catalog Spec Data
| Product Line | Model | Category | Material | Size / Capacity | Temp Rating |
|---|---|---|---|---|---|
| Lined Butterfly Valves | Lug & Wafer Style | Valve | PTFE, UHMWPE, or PVDF liner | 2"-24" | - |
| Gar-Seal Series 400 | Plastic Butterfly Valve | Valve | plastic body (for non-metallic pipe) | - | - |
Sourced from Allied Fluid Products' line-card documentation for Garlock.
Frequently Asked Questions
What's the difference between PTFE-lined and PVDF-lined butterfly valves?
PTFE liners offer the broadest chemical resistance across strong acids, bases, and solvents over a wide temperature range, which is why Garlock offers it as a liner option on its lined valve line. PVDF is also chemically resistant and holds up well mechanically, but it doesn't match PTFE's resistance ceiling against the most aggressive chemistries — which liner is correct depends on the specific media, concentration, and temperature in your system, so confirm against Garlock's own chemical compatibility data for your exact service before specifying.
What sizes are available in Garlock's lined butterfly valve line?
Garlock's PTFE, UHMWPE, and PVDF lined lug & wafer style butterfly valves are cataloged from 2" through 24".
What makes the Gar-Seal Series 400 different from Garlock's standard lined butterfly valves?
The Gar-Seal Series 400 uses a plastic body rather than a metal body with a plastic liner — it's purpose-built for installation into non-metallic pipe systems, where a metal-bodied lined valve wouldn't be the right match.
Get the right lined valve for your line size and chemistry
Ready to buy or need a fast answer? Call, text, or email James directly — (559) 395-5500 · [email protected].