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1-bar Cover up to 1/-1 bar

1-bar Verschluss bis 1/-1 bar

Product description

The 1-bar cover is our light-duty pressure cover. It can be used for pressure ranges of +1 to -1 bar. The standard version is laid out for temperatures up to 150°C (or higher on request).

The face of the neck tube serves as the sealing surface. This cover is available with or without EU-approval, depending on the approval criteria for your vessel. The O-ring seal also makes it suitable for CIP and SIP.

Standard design

  • Wetted material: 1.4571
  • Attachment parts: 1.4301
  • Plastic handles with stainless steel insert (with EU-approval)
  • Plastic handles with brass insert and brass knurl-washer (without EU-approval)
  • Silicone-gasket
  • Hinge and handle
  • Neck length 100 mm
  • Surface unpolished, glass-bead blasted; from NW600 unpolished, pickled
  • With / without EU-approval (Modul G) acc. PED 2014/68/EU
  • Design Code: AD 2000-Merkblatt (with EU-approval)

Options

  • Wetted materials: 1.4404, 1.4435, 1.4539, 1.4529, 1.4462, 1.4429, HC-22, HC-276, HC-2000, etc.
  • lntermediate sizes
  • Various gasket qualities
  • Various surface qualities (glass-bead blasted, pickled or polished up to Ra < 0,2 µm)
  • Neck length up to 2000 mm
  • Conical design of the neck (up to max. 8 mm neck thickness)
  • Neck shaped to match tank-diameter
  • Various handles (stainless steel handles, toggles, nuts, etc.)
  • Side swiveling
  • Wedge for side installation
  • Locking pin in open position
  • Springassist (torsion-, disc- or toolspring)
  • Installation of nozzles (sightglasses, TC-ferrules (DIN32676), HZ-Connect, etc.)
  • Various limit- / proximity-switches
  • Safety-grill / safety-cross
  • Attachment parts in other materials
  • Various Design Codes: ASME Vlll-1, EN13445, etc.
  • Optional with ASME-approval Sec. Vlll-1, latest Edition (additional surcharge, design-changes possible)

Data sheet

With EU-approval

Schnittzeichnung 1-bar Verschluss bis 1/-1 bar
Data sheet - With EU-approval
Article No. NW Neck inside diameter
(ID) [mm] 		Number of
screws [M16] 		Lid thickness
(S1) [mm] 		Neck thickness
(S2) [mm] 		Weight
[kg]
311 104T 100 111 4 3 6 7
315 104T 150 161 4 3 6 8,5
321 104T 200 211 4 3 6 10
325 104T 250 261 4 3 6 11
331 104T 300 311 4 3 6 13
335 104T 350 361 4 3 6 15,5
341 104T 400 411 4 3 6 18
345 104T 450 461 4 3 6 19,5
351 104T 500 511 4 3 6 21
361 104T 600 611 6 3 6 28
371 104T 700 707 6 4 8 37
381 104T 800 807 8 4 8 40
391 104T 900 907 8 4 8 70
301 104T 1000 1003 10 4 10 86

Without EU-approval

Data sheet - Without EU-approval
Article No. NW Neck inside diameter
(ID) [mm] 		Number of
screws [M12] 		Lid thickness
(S1) [mm] 		Neck thickness
(S2) [mm] 		Weight
[kg]
311 104 100 111 4 3 6 7
315 104 150 161 4 3 6 8,5
321 104 200 211 4 3 6 10
325 104 250 261 4 3 6 11
331 104 300 311 4 3 6 13
335 104 350 361 4 3 6 15,5
341 104 400 411 4 3 6 18
345 104 450 461 4 3 6 19,5
351 104 500 511 4 3 6 21
361 104 600 611 6 3 6 28
371 104 700 707 6 4 8 37
381 104 800 807 8 4 8 40
391 104 900 907 8 4 8 70
301 104 1000 1003 10 4 10 86

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