Tube Clamps
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Tube Clamps That Lock In Performance
Secure Flow Control
Experience total confidence in your fluid and air line management with our PharmaLok™ and disposable tube clamps—now conveniently available together from Nordson MEDICAL. Whether you need effortless one-hand control for single-use systems or robust total flow restriction for critical applications, our clamps, part of our Pharma+™ line of bioprocessing components, deliver precision, reliability, and versatility. Choose from a range of sizes, styles, and custom options to fit your exact needs.
Micro Pinch Clamps
On/Off Control for Micro-Bore Tubing
The Halkey-Roberts line of micro pinch clamps provides convenient one-hand control for on/off regulation of fluid and air lines in compact medical and laboratory applications. Designed specifically for micro-bore tubing, these economical disposable clamps support tubing with outside diameters up to 0.16" (4.06 mm) while providing reliable flow shutoff in space-constrained assemblies.
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Small Pinch Clamps
Compact Flow Control for Small Tubing
Small pinch clamps provide simple and cost-effective on/off control of fluid and air lines in single-use applications. Available in a variety of materials and configurations, this line of Halkey-Roberts clamps is designed for easy one-hand operation and accommodates tubing with outside diameters up to 0.25" (6.30 mm). Their compact design makes them ideal for medical, laboratory, and fluid management systems.
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Medium Pinch Clamps
Flexible Flow Control for Medium-Size Tubing
Halkey-Roberts medium pinch clamps provide dependable flow control for fluid and air handling applications requiring larger tubing sizes. Available in single-position and multiple-ratchet configurations, these clamps support on/off shutoff as well as adjustable flow control. Depending on the design, they accommodate tubing with outside diameters up to 0.50" (12.70 mm) and are well suited for disposable medical and bioprocessing systems.
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Large Pinch Clamps
Flow Control for Large-Diameter Tubing
Large pinch clamps are designed by Halkey-Roberts for reliable on/off and adjustable flow control in applications using larger tubing sizes. Featuring multiple ratchet positions for precise flow regulation, these clamps accommodate tubing with outside diameters up to 0.75" (19.05 mm). Their durable construction and one-hand operation make them ideal for fluid management applications requiring secure control of high-volume flow paths.
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PharmaLok™ Tube Clamps
Total Flow Restriction
PharmaLok™ tube clamps provide a secure and reliable solution for completely restricting flow in single-use fluid and bioprocessing systems. Available in small and thin-walled, standard, and large configurations, these clamps accommodate a wide range of tubing sizes with support for tubing outside diameters up to 2.00" (50.80 mm). Their simple, robust design helps ensure positive closure while supporting efficient assembly and operation.
Resources
Find everything you need in our resource library, from technical information, product literature, videos, and more.
Technical Information
| Materials (PharmaLok™ Tube Clamps) |
Glass-Filled Nylon |
| Materials (Pinch Clamps) |
Polypropylene Acetal ABS Polyester |
| Colors (PharmaLok™ Tube Clamps) |
White Orange |
| Colors (Pinch Clamps) |
Black Blue Brown Cream Green Natural Purple Red White Yellow |
| Small and Thin-Walled Tube Clamp Sizes (PharmaLok™ Tube Clamps) |
Minimum Tubing ID of 1/16" (1.59 mm) with 1/32" (0.79 mm) Wall Thickness Maximum Tubing OD of 1-1/8" (28.58 mm) with 3/32" (2.38 mm) Wall Thickness |
| Standard Tube Clamp Sizes (PharmaLok™ Tube Clamps) |
Minimum Tubing ID of 1/2" (12.70 mm) with 3/32" (2.38 mm) Wall Thickness Maximum Tubing OD of 1-1/4" (31.75 mm) with 3/16" (4.76 mm) Wall Thickness |
| Large Tube Clamp Sizes (PharmaLok™ Tube Clamps) |
Minimum Tubing ID of 3/4" (19.05 mm) with 1/8" (3.18 mm) Wall Thickness Maximum Tubing OD of 2" (50.80 mm) with 1/4" (6.35 mm) Wall Thickness |
| Sizes (Pinch Clamps) |
Micro: Up to 0.16" (4.06 mm) OD Tubing Small: Up to 0.25" (6.30 mm) OD Tubing Medium: Up to 0.50" (12.70 mm) OD Large: Up to 0.75" (19.05 mm) OD |
| Configurations (Pinch Clamps) |
1-position 6-position 12-position |
| Sterilization (PharmaLok™ Tube Clamps) |
Autoclavable Up to 273° F (134° C) for a Maximum of 30 Minutes Gamma Radiation Up to 50 kGy X-Ray Sterilization Compatible |
| Operating Temperature (PharmaLok™ Tube Clamps) |
-94° F (-70° C) to 140° F (60° C) Cryogenic Freezing to -112° F (-80° C) |
| Maximum Pressure (PharmaLok™ Tube Clamps) |
Up to 150 psi (10.3 bar) |
Important: All HR Medical Components are shipped bulk, non-sterile, and are single patient use medical device components requiring further processing (e.g. assembly, packaging, sterilization) before clinical use. The buyer is responsible for determining effects of processing/multiple usage on these components, the appropriateness of the component in the final application, and pre/post sterilization shelf life.
Material Information
We offer our customers direct technical information from resin manufacturers regarding the resins we utilize. This includes material data such as regulatory compliance, MSDS, typical properties, sterilization stability, and chemical resistance. We encourage testing our products in your specific application to ensure they meet your requirements effectively.