Wafer Check Valve Carbon Steel Type W409 DIN PN 25

TECHNICAL DESCRIPTION

Carbon steel wafer check valve for installation between connecting flanges, soft sealing PN10.

WORKING FLUID / MEDIUM

• Corrosive fluids, steam, thermal oil, fuel, lubricating oil and flammable hydraulic oils.
• Oil, air, gas, non-flammable hydraulic fluids, boiler feed water, condensate.
• Sea water.

EXECUTION

• NBR O-ring (-40°C to +90°C)
• EPDM O-ring (-40°C to +120°C)
• Teflon – PTFE O-ring (-50°C to +220°C)
• FPM/FKM O-ring (-30°C to +180°C).

OPTIONS

Larger sizes upon request.


Description

The WAFER CHECK VALVE CARBON STEEL TYPE W409 DIN PN 25 is a high-performance industrial valve designed for unidirectional flow control in piping systems. Manufactured from durable carbon steel, this valve ensures reliability and longevity in demanding applications, including water supply, chemical processing, oil and gas, and HVAC systems. It complies with DIN standards and has a pressure rating of PN 25, making it suitable for medium to high-pressure environments where backflow prevention is critical.This valve features a wafer-type design, which allows for compact installation between flanges without the need for additional gaskets or bolts, reducing overall weight and space requirements. The check mechanism operates automatically, opening with forward flow and closing swiftly to prevent reverse flow, thereby protecting equipment from damage and maintaining system efficiency. Its robust construction ensures minimal maintenance and resistance to corrosion, wear, and high temperatures.Key specifications and benefits include:Material: Carbon steel for enhanced strength and durabilityStandard: DIN-compliant for international compatibility and safetyPressure Rating: PN 25, ideal for pressures up to 25 barType: Wafer check valve, enabling easy integration into existing systemsApplications: Suitable for liquids, gases, and steam in various industriesOptimize your industrial operations with this efficient and cost-effective valve, engineered to deliver superior performance and reduce downtime. Its SEO-optimized description highlights key features for easy discovery in search engines, targeting professionals seeking reliable flow control solutions.

Additional information

Materials

1 Body steel 1.0619; DIN GS-C25
2 Valve steel 1.0619; DIN GS-C25
3 Bolt stainless steel 1.4301
4 Schegel steel 1.0619; DIN GS-C25
5 O-ring rubber, PTFE

Features

SPECIFICATION
Standard DIN, ANSI, JIS
Connection between flanges / Wafer
Operation automatically
Closing self-closing
T max. °C 220 °C

 

Dimensions
DN PN Фланци/PN L d1 D Тегло (kg)
40 25 25 14 22 94 0,9
50 25 25 14 32 109 1,2
65 25 25 14 40 129 1,5
80 25 25 14 54 144 2,5
100 25 25 18 70 170 3,5
125 25 25 18 92 196 5
150 25 25 20 112 226 5,5
200 25 25 22 154 286 8
250 25 25 26 200 343 15
300 25 25 32 240 403 24
350 25 25 38 270 460 39
400 25 25 44 310 520 59
450 25 25 50 360 567 70
500 25 25 56 405 622 90