GASTOP Low-Height Tripod Turnstiles
Low-height tripod turnstiles help control individual pedestrian access at monitored entrances. GASTOP offers single-lane and dual-lane models in Standard versions with the ZA2AL mechanism and Premium versions with the BR2AL mechanism. Compare housing designs, the number of lanes, and available features to select a turnstile for your access control or ticketing system.
Choose a Low-Height Turnstile Series
T Series
The T Series features a distinctive geometric housing and a single passage lane. The TS-ZA2AL belongs to the Standard line, while the T-BR2AL is a Premium model. Select the version based on mechanism requirements and the available space at the planned entrance.
Passage lanes: 1
TM Series
The TM Series combines a slim housing with a single passage lane. Compare the TMS-ZA2AL Standard and TM-BR2AL Premium, allowing space for the reader and access to the unit. Refer to the drawings for the overall dimensions of the selected version.
Passage lanes: 1
N2 Series
The N2 Series features a distinctive oval housing. Designed for controlled indoor entrances, it provides one passage lane. Available versions are N2S-ZA2AL Standard and N2-BR2AL Premium.
Passage lanes: 1
F1 Series
The F1 Series has a box-shaped housing and a single passage lane. When choosing between the F1-ZA2AL Standard and F1-BR2AL Premium, compare the mechanisms, overall dimensions, and how the unit will fit into the reception or checkpoint area.
Passage lanes: 1
STI Series
The STI Series offers a slim, compact design with a single passage lane. The STI-ZA2AL Standard and STI-BR2AL Premium versions allow you to match the mechanism to site requirements. Account for rotor-arm clearance and reader mounting space in the layout.
Passage lanes: 1
TM2 Series
The TM2 Series incorporates two passage lanes in one unit, allowing two pedestrian routes within the entrance layout. Compare the TM2S-ZA2AL Standard and TM2-BR2AL Premium, and plan the control and power connections for both mechanisms.
Passage lanes: 2
T2 Series
The T2 Series combines two passage lanes with a trapezoidal housing. Available models are T2-ZA2AL Standard and T2-BR2AL Premium. Refer to the product drawings to verify clearance for both lanes, housing dimensions, and mounting points.
Passage lanes: 2
STI2 Series
The STI2 Series offers two passage lanes in a slim design. Choose between the STI2-ZA2AL Standard and STI2-BR2AL Premium based on the mechanism and installation conditions. Determine the number of units according to expected traffic and the entrance and exit layout.
Passage lanes: 2
Compare Low-Height Turnstile Series
| Series | Lanes | Standard ZA2AL | Premium BR2AL |
|---|---|---|---|
| T | 1 | TS-ZA2AL | T-BR2AL |
| TM | 1 | TMS-ZA2AL | TM-BR2AL |
| N2 | 1 | N2S-ZA2AL | N2-BR2AL |
| F1 | 1 | F1-ZA2AL | F1-BR2AL |
| STI | 1 | STI-ZA2AL | STI-BR2AL |
| TM2 | 2 | TM2S-ZA2AL | TM2-BR2AL |
| T2 | 2 | T2-ZA2AL | T2-BR2AL |
| STI2 | 2 | STI2-ZA2AL | STI2-BR2AL |
The number of lanes refers to the number of pedestrian passageways in a unit, not the number of rotor arms. Refer to the drawings for each model to verify housing dimensions and the clearance required for rotor-arm movement.
Standard vs. Premium: What to Compare
| Feature | Standard ZA2AL | Premium BR2AL |
|---|---|---|
| Mechanism | ZA2AL | Heavy-duty BR2AL |
| Rotation assistance | Electromechanical | Electromechanical |
| External system control | Yes | Yes |
| Mechanism power supply | 24 V DC | 24 V DC |
| Housing material in the referenced datasheets | AISI 304 stainless steel | AISI 304 stainless steel |
| Operating environment in the 2026 datasheets | Indoor use | Indoor use |
| Drop-arm function | DA-designated version | DA-designated version |
For dual-lane models, the documentation specifies two 24 V DC power circuits. The AC/DC power supply must be selected separately. Drop-arm operation and behavior during a power outage must be specified when ordering; these features should not be assumed to be standard on every version.
How to Select a Low-Height Turnstile for Your Facility
Applications and Entrance Supervision
Low-height turnstiles can be used at access control points in workplaces, sports facilities, and ticketed entrances. Determine who will supervise the passage and how authorization will work. A low-height turnstile does not replace a full physical barrier or appropriate entrance supervision.
One or Two Passage Lanes
Specify peak-hour pedestrian volumes, directions of travel, and credential verification time. Two lanes can serve different directions or user groups, depending on the control configuration. Do not determine the number of units based solely on the available entrance width.
Readers and Access Control Systems
Provide the reader and controller models and the authorization method, such as a card or ticket. This allows coordination of control signals, passage feedback, and reader installation. Time and attendance tracking requires a suitable external system.
Installation Conditions and Additional Access
The versions described in the current datasheets are intended for indoor use. Provide details of temperature, moisture exposure, and installation location. Where required, plan an additional passage for people with luggage, wheelchair users, and equipment transport. The entrance can also include pedestrian barriers and a suitably selected swing gate. Access provisions and emergency egress requirements must be established in the facility design.
Low-Height Turnstile Documentation
Choose a series, then open the datasheet and drawing for the exact Standard or Premium model. Check mounting dimensions, anchor locations, power connections, and access control interfaces.
Frequently Asked Questions About Low-Height Turnstiles
What Is the Difference Between Standard and Premium Turnstiles?
Standard models use the ZA2AL mechanism, while Premium models use the heavy-duty BR2AL mechanism. Current datasheets for both lines specify electromechanical rotation assistance and control via an external access control system. Also compare the dimensions and features of your chosen model.
Which Series Have Two Passage Lanes?
The TM2, T2, and STI2 Series have two passage lanes. The T, TM, N2, F1, and STI Series have one lane. Dual-lane units require control and power connections for both mechanisms.
Does Every Turnstile Have a Drop-Arm Function?
No. The DROP ARM function is available on versions designated DA. Drop-arm operation and behavior during a power outage must be specified separately. The configuration must match the entrance design.
Can Low-Height Turnstiles Be Installed Outdoors?
The current datasheets specify indoor use for the models described. If you are planning an outdoor installation, provide information about exposure to precipitation, moisture, and temperature. Confirm the suitability of the specific version with GASTOP before selection.
What Information Is Needed for a Turnstile Quote?
Provide the facility type, number of lanes, directions of travel, authorization method, and installation conditions. Include an entrance layout or dimensions. If you need a drop-arm function, an additional passage, or a specific reader, mention it in your inquiry.
See also other types of gates
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