Go back

Round Pressure Cover up to 8/-1 bar, Type RPDC-3A

Runder Druckverschluss bis 8/-1 bar, Typ RPDC-3A

Product description

The round pressure cover, model RPDC-3A (Round Pressure Dome Cover-3A), has been tested and approved in compliance with the American 3A Standard 84. The 3A symbol is engraved on the finished cover as a conformity symbol for this version. The seal, seal groove, surface, flange contour, etc. are conform to the requirements of 3A Standard 84.

Versatile customizable options

This cover also offers versatile possibilities for adaptation to meet the specific requirements of your process. Every adaptation is performed to ensure compliance with the various requirements in the 3A Standard 84.

Diameters, materials, neck lengths, wall thicknesses, surfaces, etc. can be customized to match your vessels.

Standard design

  • Wetted material: 1.4404 (316L)
  • Attachment parts: 1.4301 (304)
  • 3A-conforming stainless steel handles
  • 3A-conforming silicone-gasket
  • 3A-conforming flange design (for horizontal installation)
  • Neck length 150 mm (*up to NW150 – 100 mm), neck thickness 4 mm
  • Internal surface polished Ra < 0,8 µm
  • External surface polished Ra < 1,6 µm
  • Attachment parts and their welding not grinded
  • With EU-approval (Modul G) acc. PED 2014/68/EU
  • Design Code: AD 2000-Merkblatt

Options

  • Intermediate sizes
  • Adoptions for side installation
  • Various gasket qualities (3-A conforming EPDM, FKM, FEP-silicone, FEP-Viton, PFA-silicone)
  • Various surface qualities (polished up to Ra < 0,2 µm)
  • Neck length up to 2000 mm, neck thickness up to 20 mm
  • Conical design of the neck (up to max. 8 mm neck thickness)
  • Neck shaped to match tank-diameter
  • Various handles (toggles, nuts)
  • Wedge for side installation (to support alignment of the cover during closing)
  • Locking pin in open position (with stainlees steel sleeve and covered thread to secure the cover in open position)
  • Springassists (toolspring – completely covered)
  • Installation of nozzles (bolted typ sightglass DIN28120, TC-ferrules (DIN32676), HZ-Connect)
  • Attachment parts in 1.4404 (316L)
  • Various Design Codes: ASME Vlll-1, EN13445, etc.
  • Optional with ASME-approval Sec. Vlll-1, latest Edition (additional surcharge, design-changes possible)

Data sheet

Round Pressure Cover up to 8/-1 bar, Type RPDC-3A

Schnittzeichnung Runder Druckverschluss bis 8/-1 bar, Typ RPDC-3A
Data sheet - Round Pressure Cover up to 8/-1 bar, Type RPDC-3A
Article No. NW MAWP
[bar] 		max. temperature
[°C] 		Number of
screws [M16] 		Lid thickness
(S1) [mm] 		Neck thickness
(S2) [mm] 		Total height
[mm]
24642006-3A 460 4 200 6 5 4 30
24662008-3A 460 6 200 8 6 4 34
24682010-3A 460 8 200 10 8 4 39
25032006-3A 500 3 200 6 4 4 31
25042008-3A 500 4 200 8 5 4 35
25062010-3A 500 6 200 10 6 4 42
25081512-3A 500 8 150 12 8 4 46
26022006-3A 600 2 200 6 4 4 42
26040508-3A 600 4 50 8 4 4 44
26042010-3A 600 4 200 10 5 4 49
26061512-3A 600 6 150 12 6 4 52
26080512-3A 600 8 50 12 6 4 52
27022008-3A 700 2 200 8 4 4 56
27042012-3A 700 4 200 12 6 4 64
27061516-3A 700 6 150 16 6 4 70
27080518-3A 700 8 50 18 6 4 78
28020508-3A 800 2 50 8 4 4 76
28022010-3A 800 2 200 10 4 4 78
28041514-3A 800 4 150 14 6 4 82
28060518-3A 800 6 50 18 6 4 90
28080520-3A 800 8 50 20 6 4 97
29022012-3A 900 2 200 12 5 4 87
29042018-3A 900 4 200 18 6 4 103
29061022-3A 900 6 100 22 8 4 115
29080524-3A 900 8 50 24 8 4 128
21022012-3A 1000 2 200 12 5 4 110
21041522-3A 1000 4 150 22 6 4 118
21060524-3A 1000 6 50 24 6 4 125

zimmerlin
Distributor locator

Find representative

Please get in touch with us.

zimmerlin GmbH Edelstahl-Technik +49 7663 / 60 88-0