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Fast-Entry Access Load Lock Doors Hardware & Replacement Parts

Fast-Entry Access Load Lock Doors Hardware & Replacement Parts

Explore a comprehensive range of hardware and replacement parts designed for fast-entry access load lock doors. These components ensure efficient functionality and easy maintenance for your vacuum systems.

Key Components:

  • Replacement Viewport Glass: Available in both tempered Pyrex and quartz options to suit different operational needs.
  • Mounting Bolt Sets: Includes KJLC’s® counterbored mounting bolts for maximum diameter openings, ensuring a secure fit.
  • O-Rings: Various O-ring sizes and materials to maintain optimal seals on access doors and viewport glass.
  • Hinges and Fasteners: High-quality hinges and fasteners designed for durability and smooth operation.
  • Knobs and Handles: Replacement knobs and handles for secure door closure and easy access.

For detailed specifications and to find the right parts for your load lock doors, please refer to our product catalog or contact our support team.

Ordering Table

Reference LL Door Part No. Part Number Price
Replacement O-ring for Viewport Glass DS-LL0450VP O-V147 P.O.R.
Replacement O-ring for Viewport Glass DS-LL0600VP O-V155 P.O.R.
Replacement O-ring for Viewport Glass DS-LL0800VPDS-LL1000VPDS-LL1200VPDS-LL1325VPDS-LL1400VP O-V163 P.O.R.
Replacement O-ring for Door DS-LL0450DS-LL0450VP O-V231 P.O.R.
Replacement O-ring for Door DS-LL0600DS-LL0600VP O-V243 P.O.R.
Replacement O-ring for Door DS-LL0800DS-LL0800VP O-V258 P.O.R.
Replacement O-ring for Door DS-LL1000DS-LL1000VP O-V266 P.O.R.
Replacement O-ring for Door DS-LL1200DS-LL1200VPDS-LL1325DS-LL1325VP O-V274 P.O.R.
Replacement O-ring for Door DS-LL1400DS-LL1400VP O-V277 P.O.R.
Bolt Kit for attaching to Tapped Flanges:(8) 0.75" (19.05mm) Length, 5/16-24 Thread DS-LL0450,DS-LL0450VP SBK31224075S4-8 P.O.R.
Bolt Kit for attaching to Tapped Flanges:(16) 1.00" (25.40mm) Length, 5/16-24 Thread DS-LL0600,DS-LL0600VP SBK31224100S4-16 P.O.R.
Bolt Kit for attaching to Tapped Flanges:(20) 1.00" (25.40mm) Length, 5/16-24 Thread DS-LL0800,DS-LL0800VP SBK31224100S4-20 P.O.R.
Bolt Kit for attaching to Tapped Flanges:(24) 1.00" (25.40mm) Length, 5/16-24 Thread DS-LL1000,DS-LL1000VP SBK31224100S4-24 P.O.R.
Bolt Kit for attaching to Tapped Flanges:(32) 1.00" (25.40mm) Length, 5/16-24 Thread DS-LL1200,DS-LL1200VP SBK31224100S4-32 P.O.R.
Bolt Kit for attaching to Tapped Flanges:(30) 1.25" (31.75mm) Length, 3/8-24 Thread DS-LL1325,DS-LL1325VP,DS-LL1400,DS-LL1400VP SBK37524125S4-30 P.O.R.
Bolt & Nut Set for Attaching to Through Hole Flanges:(16) 1.50" (38.10mm) Length, 5/16-24 Thread DS-LL0600,DS-LL0600VP SBS31224150S4-16 P.O.R.
Bolt & Nut Set for Attaching to Through Hole Flanges:(8) 1.50" (38.10mm) Length, 5/16-24 Thread DS-LL0450,DS-LL0450VP SBS31224150S4-8 P.O.R.
Bolt & Nut Set for Attaching to Through Hole Flanges:(20) 1.75" (44.45mm) Length, 5/16-24 Thread DS-LL0800,DS-LL0800VP SBS31224175S4-20 P.O.R.
Bolt & Nut Set for Attaching to Through Hole Flanges:(24) 2.00" (50.80mm) Length, 5/16-24 Thread DS-LL1000,DS-LL1000VP SBS31224200S4-24 P.O.R.
Bolt & Nut Set for Attaching to Through Hole Flanges:(32) 2.00" (50.80mm) Length, 5/16-24 Thread DS-LL1200,DS-LL1200VP SBS31224200S4-32 P.O.R.
Bolt & Nut Set for Attaching to Through Hole Flanges:(30) 2.25" (57.15mm) Length, 3/8-24 Thread DS-LL1325,DS-LL1325VP,DS-LL1400,DS-LL1400VP SBS37524225S4-30 P.O.R.
Replacement Viewport Glass - Quartz DS-LL0450VP VPW31QRT037 P.O.R.
Replacement Viewport Glass - Borosilicate DS-LL0450VP VPW31TPYR037 P.O.R.
Replacement Viewport Glass - Quartz DS-LL0600VP VPW45QRT037 P.O.R.
Replacement Viewport Glass - Borosilicate DS-LL0600VP VPW45TPYR037 P.O.R.
Replacement Viewport Glass - Quartz DS-LL0800VPDS-LL1000VPDS-LL1200VPDS-LL1325VPDS-LL1400VP VPW65QRT037 P.O.R.
Replacement Viewport Glass - Borosilicate DS-LL0800VPDS-LL1000VPDS-LL1200VPDS-LL1325VPDS-LL1400VP VPW65TPYR037 P.O.R.
Reference LL Door Part No. Part Number Price

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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.

 

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