The immersion of the marc executed by Speidel’s red wine mash plunger has been inspired by the typical manual pushing that is still practised today. Due to the low mechanic pressure the grapes are almost undamaged. This way – and despite the greatest possible extraction of the mash – a low sludge content is achieved.
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A reinforced pneumatic cylinder moves the immersion unit up and down. At the moment of the immersion, namely when 'impacting' the marc, two cone-shaped folding wings facing each other put themselves in a flat position and immerse the grapes into the juice.
When moved upwards the folding wings adopt an inclined position and generate a twisting effect of approx. 30 °. This is repeated until the entire marc is fully disintegrated, immersed and drenched with the must.
The immersion and interval times can be pre-selected at your convenience. This grants the winemaker the opportunity to produce individual and complex red wines. The system itself is simple and highly effective: spacious installations that could cause sedimentary depositions or dirt corners are not required.
Up to tank-ø of 2,000 mm made of AISI 316 stainless steel, surface IIId (2R), marbled outside
From tank-ø of 2,200 mm upwards made of AISI 316 stainless steel, surface IIId (2R) / IIIc (2B)
Ladder safety bow, lifting lugs
Made of AISI 304 stainless steel, surface IIId (2R), marbled outside
Up to tank-ø of 2,000 mm made of AISI 304 stainless steel, surface IIId (2R), marbled outside
From tank-ø of 2,200 mm upwards made of AISI 304 stainless steel, surface IIId (2R) / IIIc (2B)
Free standing on welded box-shaped legs
Filler neck NW 400, located in tank top with an upright forward position (tank top with bead extrusion for complete ventilation)
Flap lid with vent neck NW 50 Rd 78 x 1/6"
Weld-on thread NW 10 DIN
Threaded sleeve with locking screw and cap nut NW 10 DIN
Bi-metal dial thermometer ø 100 mm, measurement range - 20 °C to +60 °C
Weld-on thread NW 20 DIN
Sampling tap with cap nut NW 20 DIN
Reinforced plate with drilled hole ø 48 mm (to hold flap valve or weld-on thread NW 50 DIN 11851)
JUICE TOTAL OUTLET / -FILLING
Welded-on neck NW 65 DIN
MASH IMMERSION SYSTEM
Electronic control system (Stainless steel control cabinet, by default located on the right), Connection 220 V, 50 Hz
Immersion time and pause time inverter controlled
Pneumatic cylinder flange mounted on the reinforced top
Piston rod and immersion unit made of stainless steel