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Bajonetteverschluss der Firma Scholz Maschinenbau

Quick closing doors

Quick closing door, bayonet 3-parts

Safe, durable and technically perfect. Maschinenbau Scholz quick closing doors offer advantages you should not waive. They are designed according to the latest technological standards and fulfil all safety requirements 100 %. At the customer's request, the quick closing doors are available with fully automatic operation. The modular design guarantees maximum flexibility. Even the largest lids can be opened and closed without any problems. The entire cross section of the pressure vessel is freely accessible, ensuring convenient loading and unloading. Whether the containers are arranged horizontally, vertically or at an angle: the opening options are clearly oriented towards the individual conditions on site and the requirements of the customers. In any case, we make no compromises when it comes to the quality and precision craftsmanship of the quick closing doors. They are therefore suitable for the toughest applications in rough environments for a particularly long time.

Advantaged

  • Quick opening / closing system for the shortest possible operating times
  • Customised design: Adaptation to diameter, length, pressure, temperature, material and acceptance regulations possible
  • Modular construction
  • Compact  construction, completely pre-assembled for welding or screwing
  • Proven and easy-to-maintain design for durability and reliability
  • Principle of quick closing door proven for over 100 years

Certified quality

Logo des TÜV Nord
Logo des EAC
Logo der American Society of Mechanical Engineers
Logo des National Board of Boiler & Pressure Vessel Inspectors

OPERATING PRINCIPLE

Quick closing door (shell ring, flat cover and locking ring)
Quick closing door (shell ring, cover with welded dished plate or welded dished boiler end/ torispherical head / spherical bottom and locking ring
Quick closing door (shell ring, cover with welded spherical bottom and locking ring)

VARIETY OF QUICK CLOSING DOORS

Our repertoire of quick closing doors is diverse. Here you will find a small overview of our product portfolio.

Quick closing door DN550 for vertical pressure vessel (vertical axis)
  • Pressure:  4bar

  • Temperature: 0-50°C

  • Diameter: i. ø550

  • Material: 1.4301

  • Version of the door: AD-2000; PED 2014/68/EU; 3-parts, with shell section, manual operation

Quick closing door DN575 for vertical pressure vessel (vertical axis)
  • Pressure: 200bar

  • Temperature: 0-300°C

  • Diameter: i. 575

  • Material: P420QH

  • Version of the door: AD-2000; PED 2014/68/EU; 3-parts, cover ring with welded spherical bottom, manual operation

Quick closing door DN800 for horizontal pressure vessel (horizontal axis)
  • Pressure: 50 bar

  • Temperature: 0 - +50°C

  • Diameter: i. ø800

  • Material: P250GH

  • Version of the door: AD-2000; PED 2014/68/EU, ATEX-RL 2014/34/EU; 3-parts, flat cover, manual operation

Quick closing door DN1200 for vertical pressure vessel (vertical axis)
  • Pressure: 0 - 25bar

  • Temperature: 0 - +225°C

  • Diameter: i. ø1200

  • Material: 1.4571; P355QH

  • Version of the door: AD-2000; PED 2014/68/EU; 3-parts, cover ring with welded dished plate, hydraulic/manual operation, hinge

Quick closing door DN1700 for vertical pressure vessel (vertical axis)
  • Pressure: 5 bar

  • Temperature: 0 - +150°C

  • Diameter: i. ø1700

  • Material: 1.4404

  • Version of the door: AD-2000; PED 2014/68/EU; 3-parts, cover ring with welded dished plate, hydraulic operation, hinge

Quick closing door DN1300 for vertical pressure vessel (vertical axis)
  • Pressure: -1 / 7 bar

  • Temperature: -10 - +120°C

  • Diameter: i. ø1300

  • Material: 1.4404

  • Version of the door: AD-2000; PED2014/68/EU; 3-parts, cover ring with welded dished plate, pneumatic operation, pneumatic hinge

Quick closing door DN800 for hanging pressure vessel (vertical axis)
  • Pressure: 51 bar

  • Temperature: -23,5 - +250°C

  • Diameter: i. ø800

  • Material: SA-182 GR F 316L, SA-350LF2 CL.1

  • Version of the door: ASME Sect. VIII Div.1 Edition 2019 with U-Stamp 3-parts, flat cover, hydraulic/pneumatic operation, hydraulic swivelling device

Quick closing door DN800 for vertical pressure vessel (vertical axis)
  • Pressure: -1/6bar

  • Temperature: -10 - +100°C

  • Diameter: i. ø800

  • Material: 1.4571 / P250GH

  • Version of the door: AD-2000; PED2014/68/EU; 3-parts, cover ring with welded dished plate, manual operation, hinge with counterweight

Quick closing door DN750 for vertical pressure vessel (vertical axis)
  • Pressure: 2 bar

  • Temperature: -10 bis +80°C

  • Diameter: i. ø750

  • Material: 1.4571

  • Version of the door: AD-2000; PED 2014/68/EU; 3-parts, flat cover, pneumatic operation

Quick closing door DN500 for vertical pressure vessel (vertical axis)
  • Pressure: -1 bis 30 bar

  • Temperature: 0 bis +230°C

  • Diameter: i. ø500

  • Material: 1.4571

  • Version of the door: AD-2000; PED 2014/68/EU; 3-parts, flat cover, manual operation, standing swivel arm, hydraulically operated

Quick closing door DN625 for horizontal pressure vessel (horizontal axis)
  • Pressure: 12 bar

  • Temperature: -20 - +70°C

  • Diameter: i. ø625

  • Material: 1.4462

  • Version of the door:     EN 13445; PED 2014/68/EU; 3-parts, cover with welded dished bottom, manual operation, hinge preparation

Quick closing door DN400 for vertical pressure vessel (vertical axis)
  • Pressure: -1 - 21 bar

  • Temperature:0 bis +217°C

  • Diameter: i. ø390

  • Material: SA-105

  • Version of the door: ASME Sect. VIII Div.1 Edition 2017 with U-Stamp; 3-parts, cover with welded dished plate, pneumatic operation, pneumatic hinge, pneumatic hinge

Quick closing door DN700 for vertical pressure vessel (vertical axis)
  • Pressure: -1 - 28 bar

  • Temperature: -10 - +200°C

  • Diameter: i. ø750

  • Material: 1.4571; P250GH

  • Version of the door: AD-2000; PED 2014/68/EU; 3-parts, flat cover, manual operation, without swivelling device

Quick closing door DN600 for vertical pressure vessel (vertical axis)
  • Pressure: -1 - 10 bar

  • Temperature: -10 - +50°C

  • Diameter: i. ø600

  • Material: P250GH; P265GH

  • Version of the door: AD-2000; PED 2014/68/EU; 3-parts, cover ring with welded dished plate, electric operation, without swivelling device

Quick closing door DN200 for vertical pressure vessel (vertical axis)
  • Pressure: up to 160 bar

  • Temperature: 0 - +120°C

  • Diameter: i. ø200

  • Material: 1.4462

  • Version of the door: AD-2000; PED 2014/68/EU; 3-parts, flat cover, manual operation, without swivelling device

Quick closing door DN5000 for vertical pressure vessel (vertical axis)
  • Pressure:  -1 - 6,5 bar
  • Temperature: 0 - +170°C
  • Diameter:  i. ø5000
  • Material: P355QH1; P265GH
  • Version of the door: AD-2000; PED 2014/68/EU, 3-parts, cover ring with welded dished plate, hydraulic operation, hydraulic hinge

We are looking forward to your Enquiry!

Do you need advice on specification and components? Call us or send us an e-mail.

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