The Leader Hardware PFS-030 is a hydraulic bottom patch fitting designed for frameless glass doors. It features adjustable soft-close speed control, a 90-degree hold-open mechanism, and a die-cast aluminum body tested to 300,000 cycles — making it a reliable glass door patch hardware fitting for both commercial and architectural applications.
Paired with a matching top patch, the PFS-030 delivers a complete, ready-to-install glass door patch fitting solution without requiring ground excavation — a key advantage over traditional floor-spring systems.
What Is a Hydraulic Bottom Patch Fitting?
A hydraulic bottom patch fitting is a surface-mounted floor hardware fitting that controls the opening and closing motion of a frameless glass door. Unlike traditional floor closers, the hydraulic mechanism sits above the floor — eliminating the need to excavate the ground, reducing installation complexity, and improving long-term durability.
The PFS-030 glass door patch hardware fitting uses an internal hydraulic system to deliver smooth, controlled door movement from 90° down to 0°, with independently adjustable sweeping and latching speeds.
Key Specifications
Specification | Detail |
|---|---|
Model | PFS-030 |
Main Body Material | Die-cast aluminum alloy |
Cover Material | ANSI 304 stainless steel |
Glass Thickness | 3/8 in. to 1/2 in. (10 mm to 12 mm) |
Soft-Closing | Yes — adjustable |
Hold-Open | Optional (90-degree) |
Closing Force | EN 2# / EN 3# |
Max Door Width | 800 mm @ EN 2# / 1,000 mm @ EN 3# |
Max Door Mass | 80 kg @ EN 2# / 100 kg @ EN 3# |
Cycle Rating | 300,000 cycles |
Available Finishes | Brushed Stainless Steel, Polished Stainless Steel, Satin Brass, Gun Metal, Matte Black |
Features and Benefits of the PFS-030 Glass Door Patch Fitting
Adjustable Soft-Close Speed Control
The PFS-030 glass door patch hardware fitting allows independent adjustment of two closing phases:
Sweeping speed (90° to 25°): Controls how quickly the door swings toward closed.
Latching speed (25° to 0°): Controls the final, gentle pull-to-close.
This two-stage control gives installers and end users precise command over door behavior — a critical requirement in high-traffic commercial environments where door slam is a safety and noise concern.
90-Degree Hold-Open Mechanism
The bottom hydraulic patch includes an optional 90-degree hold-open function, keeping the glass door fully open when needed. This is especially useful in lobbies, office entrances, and retail spaces where continuous flow is required.
300,000-Cycle Durability
The PFS-030 is tested to 300,000 operating cycles, confirming it is engineered for sustained daily use. The combination of a die-cast aluminum alloy body and an ANSI 304 stainless steel cover provides excellent corrosion resistance — well-suited for humid or high-traffic commercial settings.
No Ground Excavation Required
Traditional floor-spring closers require cutting into the floor slab, which adds installation time, cost, and long-term maintenance risk. The PFS-030 hydraulic bottom patch fitting mounts at floor level without excavation — simplifying installation and preserving the integrity of the floor structure.
Tool-Assisted Three-Axis Adjustment
Adjustment blocks built into the base allow repositioning with a standard hex key across three axes:
Left/right alignment
Forward/backward positioning
Angle tilt correction
This built-in adjustability reduces on-site rework and accommodates minor installation variances without requiring replacement hardware.
Complete Kit — Ready to Install
The PFS-030 ships as a complete glass door patch fitting kit, paired with a matching top patch (PFS-031). Gaskets are included to accommodate both 10 mm and 12 mm glass thickness. No additional components are required to begin installation.
What Glass Thickness Does the PFS-030 Support?
The PFS-030 hydraulic bottom patch fitting supports glass thickness from 3/8 in. to 1/2 in. (10 mm to 12 mm). Included gaskets accommodate both thicknesses within the same fitting, eliminating the need to source separate hardware for different glass specifications.
Available Finishes
The PFS-030 glass door patch hardware fitting is available in multiple finishes to complement architectural and interior design requirements:
Brushed Stainless Steel
Polished Stainless Steel
Satin Brass
Gun Metal
Matte Black
Additional finishes may be available. Contact Leader Hardware directly to confirm finish options for your project.
Where Is the PFS-030 Hydraulic Patch Fitting Used?
The PFS-030 is suitable for a wide range of frameless glass door applications, including:
Commercial office entrances — lobbies, reception areas, and co-working spaces
Retail storefronts — glass façade doors requiring controlled, soft-close operation
Hospitality environments — hotel lobbies, conference rooms, and restaurant entrances
Architectural glass installations — interior partitions and feature doors
The PFS-030 is better suited for projects where above-floor mounting is preferred, or where ground excavation is not feasible. Traditional floor springs may be more appropriate where the fitting must be fully concealed beneath the floor slab.
Related Glass Door Patch Hardware Fittings
Frequently Asked Questions
Q: What is the difference between a hydraulic bottom patch fitting and a floor spring?
A: A hydraulic bottom patch fitting, such as the PFS-030, mounts at floor level without requiring excavation into the floor slab. A traditional floor spring is recessed below floor level, requiring ground cutting during installation. The hydraulic bottom patch fitting is generally faster to install, easier to maintain, and less disruptive to existing flooring.
Q: Can the PFS-030 be used with both 10 mm and 12 mm glass?
A: Yes. The PFS-030 glass door patch fitting kit includes gaskets that accommodate both 10 mm and 12 mm glass thickness (3/8 in. to 1/2 in.), so no additional hardware is needed to support either specification.
Q: How do I adjust the closing speed on the PFS-030?
A: The PFS-030 features two independently adjustable closing speed controls — one for sweeping speed (90° to 25°) and one for latching speed (25° to 0°). Both can be tuned using standard tools without removing the fitting from the door.
Q: What is the maximum door size the PFS-030 can support?
A: At EN 2# closing force, the PFS-030 supports doors up to 800 mm wide and 80 kg. At EN 3# closing force, it supports doors up to 1,000 mm wide and 100 kg.
Q: Is the PFS-030 suitable for outdoor installations?
A: The PFS-030 features an ANSI 304 stainless steel cover and a die-cast aluminum body, both of which offer good corrosion resistance. For coastal or highly humid outdoor environments, confirm suitability with Leader Hardware's technical team before specifying.
For project inquiries, finish samples, or technical specifications, contact Leader Hardware at info@leaderhardware.com or via WhatsApp at +86-198 4916 4959.
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