DN15 PN40 AISI316 A576 GB015

Disc check valve designed to control flow direction and prevent backflow in process piping systems. The valve closes automatically by means of a spring and reverse flow. Installation between flanges (wafer type).

Advantages

• Automatic operation – no external actuation required
• Easy to maintain and clean, with few moving parts

Features

• Cost-effective
• Lightweight and compact wafer-type disc check valve
• Spring-assisted closing
• It can also be used as a vacuum and overpressure protection valve as well as a foot valve

Technical Data

• Nominal sizes: DN 15 – DN 100
• Pressure rating: PN 40 / ANSI Class 150 / Class 300
• Body material: Stainless steel
• Seat materials: Metal / PTFE / NBR / EPDM (metal as standard)
• Spring-loaded disc
• Face-to-face dimension: DIN EN 558 Series 49 (DIN 3202 K4)
• Installation position: Any orientation
• Also suitable for overpressure and vacuum protection
• Leakage class EN 12266-1 Class A with soft seat
• Leakage class EN 12266-1 Class E with metal seat

Applications

• Water supply and wastewater treatment plants
• Chemical and process industries
• Power generation and district heating plants
• HVAC systems
• Food and beverage industry
• Pumping stations and compressor stations

Approvals

• ATEX 2014/34/EU
• EU Declaration of Conformity 2014/68/EU PED 97/23/EC