GLOBTOS P300-25 F 664 1,8

Ball valve for pre-insulated systems – full bore DN300 PN25

A safe solution for underground networks. The GLOBTOS DN300 PN25 ball valve in the bare-stem (hexagonal) version for full-bore pre-insulated installations is a specialist fitting designed for underground district heating networks with dry-stem.

Why choose this valve?

Dry-stem technology – innovative protection

A stem seal located directly at the ball eliminates the risk of the working medium reaching the pipeline insulation layer. Even if the upper part of the stem is damaged, the installation remains safe.

Full bore – maximum efficiency

A ball diameter equal to the pipeline diameter guarantees free flow with no pressure loss. This is especially important in long transmission networks, where every reduction in resistance translates into energy savings.

Compliance with EN 488

Valves designed in accordance with the EN 488 standard for pre-insulated systems. Full integration with pre-insulated pipelines from leading manufacturers.

Construction for demanding conditions

• Welded body: High-quality carbon steel – high strength
• Extended stem: High-quality stainless steel – corrosion resistance
• Ball: High-quality stainless steel – resistance to abrasion and corrosion
• Special thermal-insulation seals
• Corrosion protection

Where to use it?

• Underground pre-insulated district heating networks
• Trunk pipelines
• Municipal district heating infrastructure
• Installations requiring EN 488 compliance

Availability and delivery

Specialist fittings available from stock. Standard diameters are handled express – orders placed by 11:00 are shipped the same day. Our own transport guarantees safe delivery throughout Poland. Made-to-order product. Non-standard diameters are produced to an individual schedule. Contact us for details..

Technical parameters

• Nominal diameter: DN300
• Nominal pressure: PN25
• Actuation: bare stem (hexagonal)
• Temperature range: -20°C to +200°C
• Bore type: Full bore
• Technology: Dry stem
• Compliance: EN 488

Standards compliance

• EN 488 – pre-insulated pipe systems
• Leakage class: A (per EN 12266-1)
• Welded construction compliant with district heating requirements

GLOBTOS – valves designed for operation in demanding conditions