Announcing Arcmed

Diba and Bio-Chem have merged and rebranded to form a simplified fluid handling supplier dedicated to helping engineers, scientists, and doctors solve the toughest diagnostic and analytical challenges.

Connection Components

Transport fluids between fixtures and vessels throughout an instrument with ultimate precision.

Secure, Precise Connection Components

Our fittings, ferrules, and adapters and connectors are uniquely designed to safely and precisely transport fluids without guesswork.

Fittings

Our fittings are configured with various thread types, chemical compatibilities, tubing sizes and materials, space constraints, and torque limitations.

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Fittings

Click-N-Seal Fittings

Click-N-Seal offers a patented system for hand-tight fittings, in which the resistance of the cap increases until the correct torque is reached, at which point the cap clicks. The user is able to hand tighten the fittings without tools or guesswork and be confident that the fitting is properly tightened to create a secure seal.

  • Creates a secure seal without damaging the port of constricting tubing through overtightening
  • Eliminates tools and guesswork even for low-pressure connections
  • Can be unscrewed and reused dozens of times
  • Retains 1/16”, 1/8”, or 3/16” OD semirigid tubing
  • A variety of pressure ratings from 50 pounds per square inch (micro) to 1,000 psi (standard/plus) and all the way up to 7,000 psi (ultra)
  • For 1/4”-28 UNF, 6-40, and 10-32 flat-bottom or conical threaded ports
  • Available in polycarbonate, acetal, polyoxymethylene (POM), and PEEK
  • Compatible with our connection systems including Flare, Type P, Type S, Gripper, and Inverted Cones
  • Choose from a variety of innovative design styles:
    • Standard: A recessed design for maximum engagement with threaded ports
    • Plus: A slim profile with improved pressure and chemical compatibility
    • Ultra: A compact head design with pressure compatibility up to 7,000 psi for HPLC applications
    • Micro: Our smallest design built specifically for microfluidic applications
Download the Connection Systems Brochure
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Fittings

Omni-Lok Fittings

Omni-Lok fittings offer a recessed, free-spinning design that improves extension into ports and eliminates the risk of twisted tubing to create a robust and reliable connection. The glass fiber filling and textured surface finishing enhance port connection while a range of different colors simplify line identification.

  • Avoid stripping weak or shallow, PTFE threaded ports
  • Create a connection with minimized dead volume and flow disturbance
  • Enjoy a user-friendly no-slip design to simplify field servicing or repeated assembly and disassembly
  • Rated up to 2,500 psi
  • Retains 1/16”, 1/8”, or 3/16” OD tubing
  • Compatible with our connection systems including Type P, Type S, Gripper, and Inverted Cones
  • Connections to 1/4”-28 UNF, 5/16”-24, or M6 threaded ports
  • Choose from a variety of innovative design styles:
    • Headless: Slim profile and easy-grip design with pressure compatibility up to 2,500 psi for HPLC applications
    • Wide Head: Flangeless design with permanently attached ferrule
    • Long Head: Extended design for easier installation
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Fittings

Standard Fittings

Standard fittings are available in multiple configurations with a variety of thread types, chemical compatibility, tubing size and material, and torque limitation options to easily connect a tubing line to a threaded port on a fixture within your instrument.

  • Available in polycarbonate or glass-filled polypropylene
  • Retains 1/16” or  1/8” OD tubing
  • Connections to 1/4”-28 UNF, 6-40, or M6 threaded ports

Ferrules

Ferrules provide additional strength and avoid tubing wear to improve the longevity and reliability of fluid handling systems. Our easy-to-assemble, flat-bottom ferrule designs are configured with a variety of thread, chemical compatibility, tubing size, and pressure options.

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Ferrules

Type P

Type P ferrules are a flangeless tube connection system that incorporates a PTFE seal housed in a 316 stainless steel or PEEK casing. The Type P fitting system uses a one-piece ferrule, which fits permanently to the outside of the semirigid tubing for applications that require high purity and chemical resistance.

  • Compatible with 1/16” or 1/8” OD tubing
  • Rated up to 1,000 psi
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Ferrules

Type S

The Type S fitting system uses a two-piece ferrule that fits permanently to the outside of the tubing. Two-part ferrules consist of an inner PEEK or ETFE sealing surface and a stainless steel lock ring, with only the inner portion in the fluid path, for applications that require high pressure and low dead volume.

  • Compatible with 1/16”,  1/8”, or 3/16” OD tubing
  • Pressure rated up to 2,500 psi
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Ferrules

Gripper

Gripper fitting systems use a one-piece ferrule that fits permanently onto the outside of semirigid tubing. Ferrules have an outer stainless steel or PEEK casing and an inner PTFE sealing face, ensuring that only PTFE is in the fluid path for high chemical resistance and repeated connections.

  • Compatible with 1/16” or 1/8” OD tubing
  • Pressure rated up to 1,000 psi
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Ferrules

Inverted Cone

Inverted cones provide a reusable, nonpermanent, low-pressure connection with only the ETFE cone in the fluid path. A recess in the fitting houses the inverted cone, allowing maximum thread engagement with the port ensuring the system stays sealed even in shallow PTFE ports.

  • Compatible with 1/16”,  1/8”, or 3/16” OD tubing
  • Pressure rated up to 250 psi

Adapters and Connectors

We offer a variety of adapters and connectors for a quick and secure connection, including unions, connectors, and standard and barbed adapters.

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Adapters and Connectors

Click-N-Seal Barbed Adapters

Click-N-Seal barbed adapters are self-torquing for reliable thread-to-barb connections that can’t be overtightened. These adapters are constructed using standard polycarbonate and a PEEK material for improved temperature performance, and they’re ideal for connecting peristaltic pumps to rigid tubing.

  • Polycarbonate or PEEK construction
  • Retains 1/16”, 1/8”, or 5/32” ID softwall tubing
  • Connections to 1/4”-28 UNF or M6 threaded ports
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Adapters and Connectors

Microbarb Adapters

Microbarb adapters provide a chemically inert, low-carryover connection between flexible, soft-wall tubing and semirigid tubing with a miniature dual component design to ensure both the inside and outside of the soft tubing are firmly gripped. These reusable adapters are ideal for connections to peristaltic pump and pinch valve tubing assemblies.

  • PEEK construction for chemically inert connections
  • Tubing with an ID between 0.01 - 0.03" (0.62") and an OD between 0.082 - 0.104"
  • Connections to 1/4"-28 UNF or M6 flat-bottom threaded ports
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Adapters and Connectors

Barbed Adapters

Barbed adapters feature a superior barb with a crisp edge that retains soft wall tubing more securely than molded adapters. A tight, leak-free connection can be ensured by matching the inner diameter of your tubing to the barb size of the adapter.

  • Machined production using chemically resistant PEEK or acetal
  • Adapting 1.0-6.0 millimeter (mm) softwall tubing such as silicone, PVC, or tygon
  • Connections to 1/4"-28 UNF threaded ports
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Adapters and Connectors

Labware Connector and Adapters

Versatile labware connectors and adapters can be used for flow splitting, mixing, and fluid line interconnection. Compression style seals of either FKM rubber or PTFE allow rigid tubing between 0.5-11 mm to be quickly and easily connected.

Build your labware systems
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Adapters and Connectors

Standard Connector and Adapters

Standard connectors and adapters are constructed using polycarbonate and PEEK materials for improved temperature performance, offering an easy way to quickly connect fitting lines, route tubing assemblies, or convert thread sizes — all while improving field service and maintenance times.

  • In-line connectors
  • Two-way adapters
  • Unions
  • Mountable block connectors