Thin Film Materials Logo
Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors
photo-hd-s_075_k_std

Quick Connect Couplings

Quick Connect Couplings Overview

Quick connect couplings are designed to easily seal common-size tubing to vacuum manifolds or chambers. They are ideal for systems where vacuum components are frequently changed or where glass tubes need to be sealed to metal vacuum chambers, such as in glass ion gauges.

Key Features:

  • Tool-Free Operation: Tubes can be inserted and removed without the need for tools, offering quick and convenient access.
  • Sizing by Tube O.D.: Couplings are sized based on the outer diameter of the tube they are sealing, ensuring proper fit.
  • High-Quality Materials: The body is made from durable 304 stainless steel, with a 303 stainless steel nut for added strength.
  • Construction Options: Available in both “thin wall” and “thick wall” variations to accommodate different tubing specifications.
  • Standard Buna-N O-Rings: Couplings are supplied with Buna-N O-rings, with optional fluorocarbon O-ring replacements available for more demanding applications.

Ordering Table

Type Drawing Nominal Tube OD O-Ring Part No Dim A Part Number
Stainless Steel (Thick Wall) Tooltip 1/16 O-V003 0.07 S-006-KM
Stainless Steel (Thick Wall) Tooltip 1/8 O-V006 0.14 S-012-K
Stainless Steel (Thick Wall) Tooltip 1/4 O-V010 0.27 S-025-K
Stainless Steel (Thin Wall) Tooltip 1/4 O-V010 0.27 S-025-KM
Stainless Steel (Thin Wall) Tooltip 5/16 O-V011 0.33 S-031-KM
Stainless Steel (Thick Wall) Tooltip 3/8 O-V012 0.39 S-037-K
Stainless Steel (Thin Wall) Tooltip 3/8 O-V012 0.39 S-037-KM
Stainless Steel (Thick Wall) Tooltip 1/2 O-V014 0.52 S-050-K
Stainless Steel (Thin Wall) Tooltip 1/2 O-V014 0.52 S-050-KM
Stainless Steel (Thick Wall) Tooltip 5/8 O-V114 0.64 S-062-K
Stainless Steel (Thin Wall) Tooltip 5/8 O-V114 0.64 S-062-KM
Stainless Steel (Thick Wall) Tooltip 3/4 O-V116 0.77 S-075-K
Stainless Steel (Thin Wall) Tooltip 3/4 O-V116 0.77 S-075-KM
Stainless Steel (Thick Wall) Tooltip 7/8 O-V118 0.89 S-087-K
Stainless Steel (Thin Wall) Tooltip 7/8 O-V118 0.89 S-087-KM
Stainless Steel (Thick Wall) Tooltip 1 O-V120 1.02 S-100-K
Stainless Steel (Thin Wall) Tooltip 1 O-V120 1.02 S-100-KM
Stainless Steel (Thick Wall) Tooltip 1-1/8 O-V216 1.14 S-112-K
Stainless Steel (Thin Wall) Tooltip 1-1/8 O-V216 1.14 S-112-KM
Stainless Steel (Thick Wall) Tooltip 1-1/4 O-V218 1.27 S-125-K
Stainless Steel (Thin Wall) Tooltip 1-1/4 O-V218 1.27 S-125-KM
Stainless Steel (Thick Wall) Tooltip 1-3/8 O-V220 1.39 S-137-K
Stainless Steel (Thin Wall) Tooltip 1-3/8 O-V220 1.39 S-137-KM
Stainless Steel (Thick Wall) Tooltip 1-1/2 O-V222 1.52 S-150-K
Stainless Steel (Thin Wall) Tooltip 1-1/2 O-V222 1.52 S-150-KM
Stainless Steel (Thick Wall) Tooltip 1-5/8 O-V223 1.64 S-162-K
Stainless Steel (Thin Wall) Tooltip 1-5/8 O-V223 1.64 S-162-KM
Stainless Steel (Thick Wall) Tooltip 2 O-V226 2.02 S-200-K
Stainless Steel (Thin Wall) Tooltip 2 O-V226 2.02 S-200-KM

 

Reviews

There are no reviews yet.

Be the first to review “Quick Connect Couplings”

Your email address will not be published. Required fields are marked *

Related Products

Related products

FAQ

Tube fittings are designed for tubes (measured by outside diameter and wall thickness) used in high-pressure and instrumentation applications, whereas pipe fittings are for pipes (identified by nominal pipe size) primarily used in fluid transport.

 

Common valve types include ball valves, gate valves, check valves, butterfly valves, and globe valves. Each serves a specific function—from quick shutoff (ball/gate valves) to flow regulation (globe valves).

 

  • For tubing, measure the outside diameter; for pipes, refer to the nominal pipe size (using conversion charts if needed). Always match the valve or fitting size to your pipe’s dimensions and flow requirements.

  • Frequently used thread types include NPT (National Pipe Tapered), BSP (British Standard Pipe), and UNC, along with slip-fit options that rely on compression or fusion rather than threads.

Interchangeability depends on manufacturer specifications and certification. Always verify compatibility via manufacturer guides or certified interchangeability charts.

 

  • A coupling is a short, straight fitting used to join two pipes or tubes. It provides a secure, leak-tight connection and can sometimes serve to extend or repair piping runs.

Consider valve type, pressure and temperature ratings, material compatibility with your fluid, actuation method (manual or automatic), and maintenance requirements.

 

  • Valves regulate flow by opening, closing, or partially obstructing the pathway. Their mechanisms (such as the rotation of a ball or the linear movement of a gate) determine the speed and precision of flow control.

  • A flange is a flat, circular component used to connect pipes, valves, or other equipment. Bolted together with gaskets, flanges provide a secure, leak-proof joint that facilitates both assembly and maintenance.

  • Manual valves require physical operation via handles or levers, whereas actuated valves use mechanisms—pneumatic, electric, or hydraulic—to open and close automatically or remotely.

  • Issues include leaks caused by improper installation, over-tightening, degraded seals, material incompatibility, and fatigue from repeated cycling. Regular inspection and proper installation practices help mitigate these problems.

Regular maintenance involves periodic inspections, cleaning or replacing worn seals, ensuring proper torque during installation, and adhering to manufacturer guidelines and local plumbing codes to preserve system integrity.

 

Shopping Cart
Scroll to Top