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Festo LFR-D-MIDI-A | LFR Series Filter Regulator MIDI Size, G1/4 or G3/8 Port, 40 µm, Metal Bowl, Auto Drain
Festo LFR-D-MIDI-A modular filter regulator (LFR series, MIDI size) — 5 µm / 40 µm filtration, relief-type regulator 0.05–0.85 MPa, metal bowl with sight glass, auto drain. G1/4 or G3/8 port, for MS/ES series modular FRL banks.
Product Overview
The Festo LFR-D-MIDI-A is a modular combination filter regulator (FRL) from Festo's LFR series in MIDI body size (≈ G1/4–G3/8 port range). It integrates a particulate filter (standard 40 µm — 5 µm optional) and a relief-type pressure regulator (0.05–0.85 MPa / 7–123 psi) in one unit. The "-D" denotes a metal bowl with polycarbonate sight glass and semi-automatic (float-type) drain; "-A" specifies the MIDI size with standard mounting holes / alignment pins for coupling with Festo MS/ES series lubricators, soft-start valves, or shut-off valves using union connectors. Ports are typically G1/4 (for LFR-1/4-D-MIDI-A) or G3/8 (LFR-3/8-D-MIDI-A) — the generic "LFR-D-MIDI-A" code is a family descriptor; exact port thread is selected by the numeric prefix in the full order code (e.g. LFR-1/4-D-MIDI-A = 159630 / LFR-3/8-D-MIDI-A = 159631). Suitable for main air line conditioning upstream of valves and actuators.
Technical Specifications (Pneumatic & Functional)
Parameter
Specification
Series / Family
Festo LFR — Modular Filter Regulator Combo
Size Designation
MIDI (Body Size介于 MINI and MAXI — typical port G1/4–G3/8)
Port Thread (Typical Variants)
G1/4 (LFR-1/4-D-MIDI-A) or G3/8 (LFR-3/8-D-MIDI-A) — BSP parallel female
ISO 8573-1 (air quality reference), PED Cat. I (if applicable per pressure)
Key Features
Space-Saving Combo: One unit replaces separate filter + regulator — reduces piping, weight, and envelope on the air header.
Semi-Auto Float Drain (D): Condensate evacuates automatically when unit depressurizes or via manual push-button — no constant air loss unlike timed auto drains.
Metal Bowl + Sight Glass: Robust metal bowl with visible fluid level; optional full polycarb bowl (no guard) or metal bowl with guard available in other suffixes.
Modular Expandability: Couples directly with Festo MS6-LR (regulator-only), MS6-F (filter-only), MS6-LFM (lubricator), MS6-D (shut-off), MS6-SV (soft-start) using union nuts.
Lockable Regulator Knob (on most -A variants): Push-to-lock or pull-to-adjust — prevents unauthorized pressure changes on the shop floor.
Typical Applications
Main Air Line Conditioning: Installed at machine entry to clean and regulate shop air before distribution to valves/cylinders.
Packaging / Assembly Machinery: Consistent regulated pressure + particle-free air critical to cycle repeatability.
Panel Build / OEM Skids: Compact FRL bank with modular add-ons (lubricator, gauge, shut-off) — easy to specify and assemble.
Retrofit / Upgrade: Drop-in replacement for older Festo or other ISO-compliant FRL brands with same port spacing in MIDI envelope.
Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.
Frequently Ask & Questions
Are preferential prices available?
Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.
Are the Products Genuine OEM Units?
Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.
How will you arrange shipment?
We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.
What is the warranty of goods?
One-year Warranty.
How long is the logistics cycle of the product?
Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Agent,Importer,Trading Company
Year Established:
2012
Total Annual:
2000000-3000000
Employee Number:
>50
Ecer Certification：
Verified Supplier
A Decade of Global Excellence in Electromechanical Trade
ACH established in 2012 with offices in Shenzhen and Hong Kong, is a high-efficiency multi-brand distributor of industrial automation products.
We specialize in supplying world-leading brands such as Bradley,,E... A Decade of Global Excellence in Electromechanical Trade
ACH established in 2012 with offices in Shenzhen and Hong Kong, is a high-efficiency multi-brand distributor of industrial automation products.
We specialize in supplying world-leading brands such as Bradley,,E...
