Hoffman Tubing Screw Clip (25mm) — Apex Labs
Product Summary
The Apex Labs Hoffman Tubing Screw Clip (25mm) is an essential laboratory hardware accessory engineered for precise control over fluid and gas flow through flexible rubber, latex, or silicone tubing. Featuring a robust, heavy-duty swing-away gate frame and a fine-threaded compression screw, this clamp allows users to incrementally adjust or completely shut off flow rates.
Its side-load design makes it suitable for titrations, distillations, and fluid transfer networks without requiring the disconnection of existing laboratory setups.

*Image for illustration purposes only.
Bulk Procurement & GeM Supply
Apex Labs supplies professional laboratory hardware and tubing clamps for research laboratories, water treatment plants, and educational institutions. GST-compliant invoicing and applicable institutional, tender and Government e-Marketplace (GeM) procurement support are available based on order requirements.
Technical Specifications
| Product Name | Hoffman Tubing Screw Clip |
| Brand & Supplier | Apex Labs, Varanasi, Uttar Pradesh |
| Maximum Capacity | Fits tubing outer diameter up to 25 mm |
| Material Composition | Corrosion-resistant Nickel-Plated Steel / Brass alloy |
| Compression Mechanism | Fine-threaded screw bar with large knurled head |
| Gate Design | Swing-away removable bar for side-mounting |
| Application Range | Chemical labs, medical setups, water treatment, and academic facilities |
Key Features
- Incremental Flow Adjustment:
Threaded screw design enables exact, fine-tuned flow regulation from full stream down to a complete shut-off. - Side-Load Swing-Away Gate:
Allows quick installation or removal directly onto an established tubing layout without requiring line disconnection. - Heavy-Duty Durability:
Rigid metal frame resists warping, bending, or stress fracture under continuous pressure and chemical vapors. - Ergonomic Operation:
Features an easy-to-grip knurled thumb screw for fast, tool-free adjustments even while wearing safety gloves. - Tube-Friendly Compression:
Flat compression bar distributes pressure evenly to prevent permanent wall degradation or pinching of silicone/rubber lines.
Primary Laboratory Implementations
- Titration & Distillation Assemblies:
Precise regulation of gravity-fed reagent flows and cooling water circulation loops. - Siphon & Drainage Control:
Reliable valve mechanism for halting or initiating liquid transfer across reservoirs and collection vessels. - Educational Physics & Chemistry Labs:
Standard foundational accessory used in school and university demonstration setups.
Package Inclusions
- 1 × Hoffman Tubing Screw Clip (25mm)
Shipping / GST / GeM Information
- GST Invoice:
GST-compliant invoices can be provided for eligible business and institutional purchases to support Input Tax Credit (ITC) reconciliation. - Bulk Orders:
Quantity-based pricing and institutional contracting are available for laboratories, educational organizations and commercial requirements. - GeM & Tender Requirements:
Apex Labs supports applicable Government e-Marketplace (GeM) and tender procurement requirements. - Delivery Across India:
Dispatch and delivery timelines depend on stock availability, destination and order quantity.
Frequently Asked Questions
What is the maximum tubing size compatible with this Hoffman clip?
The clip is engineered to fit flexible tubing with an outer diameter up to 25 mm.
Do I need to disconnect my tubing setup to install the clamp?
No. The swing-away removable gate design allows you to mount or remove the clamp directly onto an active layout.
What materials are used to construct the Hoffman clamp?
It is built from a corrosion-resistant nickel-plated steel/brass alloy designed for continuous laboratory use.
Can Apex Labs fulfill bulk institutional or GeM orders?
Yes. Apex Labs supports bulk volume orders and GeM portal supply with valid GST invoicing. Contact us for quotations.
Related Products
- Mohr Tubing Clip (Spring Clip)
- Bosshead & Retort Stand Clamps
- Silicone Tubing / Rubber Tubing
- Glass Burettes
- Distillation Apparatus Components
Related Category
Need Laboratory Hardware for Your Institution?
Get pricing and availability from Apex Labs for individual, bulk and GeM procurement requirements. GST invoicing and institutional support are available.


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