Is the MB cover without chain for TW connector DIN 28450, aluminum compatible with fluids at -20Â°C to +65Â°C when fitted with TWF NBR seals?

Yes. The MB cover without chain for TW connector DIN 28450, aluminum is compatible with fluids at -20Â°C to +65Â°C when fitted with TWF NBR seals. The productâs specified operating temperature range is -20Â°C to +65Â°C and the TWF seal material is NBR, so compatibility depends on the fluidâs chemical compatibility with NBR. For general hydraulic oils, water-glycol, fuels and many common industrial fluids, NBR performs well within that temperature range. For fluids known to attack NBR (strong acids, ketones, some esters, certain aggressive solvents) compatibility may be inadequate even if the temperature is acceptable. If the fluid is not listed, verify with chemical compatibility data for NBR or provide the fluid type for a definitive assessment.

Can MB cover without chain for TW connector DIN 28450, aluminum reliably seal VK (male) parts with TWF NBR at -20Â°C to +65Â°C?

Yes. The MB cover without chain for TW connector DIN 28450, aluminum can reliably seal VK (male) parts with TWF NBR at -20Â°C to +65Â°C provided the following conditions are met: the aluminum cap fits the VK geometry and engages the TWF seal correctly, the NBR (nitrile) material is within its suitable temperature range (typical NBR performs well between â -30Â°C and +70Â°C for static sealing), and the applicationâs media are compatible with NBR (avoid prolonged exposure to strong aromatics, ketones, or certain hydraulic fluids that swell/degrade NBR). Also ensure proper installation torque/fit and no damage to the seal. If aggressive fluids, dynamic sealing, or temperatures outside the stated range are expected, select a different elastomer or verify with tests.

Does MB cover without chain for TW connector DIN 28450, aluminum resist oil swelling of TWF NBR seals at -20Â°C to +65Â°C?

Yes. MB cover without chain for TW connector DIN 28450, aluminum is suitable for use without a chain with TW connector DIN 28450 and will resist oil swelling of TWF NBR seals in the stated temperature range. Reasoning: - The cap is made of aluminum and is specified for TW loading connections used with VK (male) parts as a pressureâresistant cap. - Operating temperature is given as â20 Â°C to +65 Â°C â(consider medium and sealing material)â, which matches the typical service range for NBR (Nitrile) seals against many mineral oils. - TWF seal type in NBR is standard for hydraulic applications and NBR shows good resistance to many oils and minimal swelling within â20 Â°C to +65 Â°C. Provided the actual hydraulic fluid is a conventional mineralâbased oil compatible with NBR, swelling and loss of functionality are unlikely in that temperature window. Caveat: If the medium is a synthetic, ester, phosphate ester, or contains aggressive additives incompatible with NBR, or if unusually high longâterm chemical exposure is expected, verify compatibility with the fluid manufacturer or select a different elastomer.

Cover MB without a chain for coupling TW DIN 28450, aluminum

Additional information

Material	AL – aluminum

An MB cover, without a chain, for TW transfer couplings. Used for the VK (male) part, it constitutes a pressure-resistant cap. Material: aluminum. Operating temperature: from -20°C to +65°C (should take into account medium and Material sealing). gasket type TWF, Material the gasket: NBR.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
TW-MB-050-AL	Cover MB 50 (TW 1506), aluminum	-	16	In stock	Enquiry
TW-MB-050-ALR	Cover MB 50 (TW 1506), aluminum	-	16	In stock	Enquiry
TW-MB-080-AL	Cover MB 80 (TW 506), aluminum	-	16	In stock	Enquiry
TW-MB-080-ALR	Cover MB 80 (TW 506), aluminum	-	16	In stock	Enquiry
TW-MB-100-AL	Cover MB 100, aluminum	-	16	In stock	Enquiry
TW-MB-100-ALR	Cover MB 100, aluminum	-	16	In stock	Enquiry

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An MB cover, without a chain, for TW transfer couplings. Used for the VK (male) part, it constitutes a pressure-resistant cap. Material: aluminum. Operating temperature: from -20°C to +65°C (should take into account medium and Material sealing). gasket type TWF, Material the gasket: NBR.