Can the TW coupling DIN 28450 with GW BSP, brass, type VK be used with gases and vapors including liquefied gases?

No. TW coupling DIN 28450 with GW BSP, brass, type VK is not suitable for liquefied gases and vapors. The product description explicitly states it is intended for liquids, bulk materials, and gases, excluding liquefied gas and vapor. Operating limits are -0.8 to 16 bar and -20Â°C to +65Â°C (dependent on medium and seal), with polyurethane seal (seal type GD), which further restricts use with aggressive or cryogenic vapors/liquefied gases. Using it with liquefied gases or vapors would be outside the intended and specified application and is not recommended.

Is the TW coupling DIN 28450 with GW BSP, brass, type VK suitable for handling hazardous or flammable gases?

No. TW coupling DIN 28450 with GW BSP, brass, type VK is intended for liquids, bulk materials, and gases but explicitly excludes liquefied gas and vapor. Its materials (brass, polyurethane seal), pressure range (-0.8 to 16 bar) and temperature limits (-20Â°C to +65Â°C) may also be unsuitable for many hazardous or flammable gases due to compatibility, permeation, ignition risk and certification requirements. For hazardous/flammable gases you need couplings specifically certified for such media (ATEX/pressure equipment/directives, suitable seal materials, anti-spark construction and validated leak tightness). Use a product explicitly rated for flammable/hazardous gases.

Can the TW coupling DIN 28450 with GW BSP, brass, type VK be used with vapors or pressurized liquefied gas?

No. The TW coupling DIN 28450 with GW BSP, brass, type VK must not be used with vapors or pressurized liquefied gas. The product description explicitly excludes liquefied gas and vapor from intended media. Additionally, its pressure and temperature ratings (â0.8 to 16 bar; â20 Â°C to +65 Â°C) and polyurethane thread sealing are specified for liquids, bulk materials, and gases other than liquefied gas or vapor, so it is not suitable or certified for those applications.

TW coupling DIN 28450 with GW BSP, brass, type VK

Additional information

Material	B – brass (bronze)

coupling plug for transfer coupling type VK with internal BSP thread. Designed for installation on hose ends or piping systems with external BSP thread. Manufactured according to standard EN ISO 14420-6 (formerly DIN 28450). Intended for liquids, bulk materials, and gases (excluding liquefied gas and vapor). Material: brass. Pressure: from -0.8 bar to 16 bar. Operating temperature: from -20°C to +65°C (considering the medium and sealing material). Thread sealing (seal type GD): polyurethane.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
TW-VK-050-MS	Adaptor VK 50 (TW 1501) with 2" BSP thread, brass	-	16	In stock	Enquiry
TW-VK-050-MSR	Adaptor VK 50 (TW 1501) with 2" BSP thread, brass	-	16	In stock	Enquiry
TW-VK-080-MS	Adaptor VK 80 (TW 501) with GW 3" BSP, brass	-	16	In stock	Enquiry
TW-VK-080-MSR	Adaptor VK 80 (TW 501) with GW 3" BSP, brass	-	16	In stock	Enquiry
TW-VK-100-MS	VK 100 adapter with 4" BSP thread, brass	-	16	In stock	Enquiry
TW-VK-100-MSR	Adaptor VK 100 with GW 4" BSP, brass	-	16	In stock	Enquiry

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coupling plug for transfer coupling type VK with internal BSP thread. Designed for installation on hose ends or piping systems with external BSP thread. Manufactured according to standard EN ISO 14420-6 (formerly DIN 28450). Intended for liquids, bulk materials, and gases (excluding liquefied gas and vapor). Material: brass. Pressure: from -0.8 bar to 16 bar. Operating temperature: from -20°C to +65°C (considering the medium and sealing material). Thread sealing (seal type GD): polyurethane.