Malleable Iron Check Valve DIN PN 16
TECHNICAL DESCRIPTION
Flanged check valve with soft sealing and bolted cover. Vertical installation possible.
• Sealing – metal / NBR rubber
• Valve – functions as a one-way valve
• Connection – flanged EN 1092-1
• Installation – horizontal position
WORKING FLUID / MEDIUM
• Corrosive fluids, fuels, lubricants, petroleum, boiler feed water, condensate, seawater
EXECUTION
• Different materials on request
• Different NBR/PTFE sealing rings
The MALLEABLE IRON CHECK VALVE DIN PN 16 is a high-performance, industrial-grade valve designed for unidirectional flow control in demanding applications. Engineered to meet DIN standards and a pressure rating of PN 16, this valve ensures reliable operation, preventing backflow and protecting critical systems from pressure surges and contamination. Its robust construction from malleable iron offers excellent durability and resistance to mechanical stress, making it ideal for water, oil, gas, and steam services in sectors such as manufacturing, plumbing, and HVAC.Key features of this check valve include:Compliance with DIN standards for guaranteed interoperability and safetyPN 16 pressure rating, suitable for high-pressure environments up to 16 barMalleable iron body providing superior strength and impact resistanceSimple installation and maintenance with standard flange connectionsVersatile application across industrial, commercial, and municipal systemsThis valve is essential for maintaining system integrity, reducing downtime, and enhancing operational efficiency. Whether used in pipeline networks, pump systems, or processing plants, it delivers consistent performance under varying temperatures and pressures. Choose this DIN PN 16 check valve for a cost-effective, long-lasting solution that meets rigorous industrial requirements and ensures seamless fluid management.

Materials
| No. | DETAILS | MATERIALS |
|---|---|---|
| 1 | Body | malleable cast iron EN-JS1025 |
| 2 | Body seat | stainless steel 1.4301 (AISI304) |
| 3 | Sealing ring | NBR rubber |
| 4 | Spindle | stainless steel 1.4021 (AISI420) |
| 5 | Valve, rocker arm"" | malleable cast iron EN-JS1025 |
| 6 | Cover | ductile iron EN-JS1025 (GGG40.3) |
| 7 | Cover gasket | rubber-reinforced |
Features
| SPECIFICATION | |
|---|---|
| Standard | DIN 3202 F1 |
| Joining | EN 1092-2 |
| Construction length | EN 558, series 1 |
| Lid connection | bolted |
| Execution | straight |
| Joining | flanged |
| Management | Check valve |
| Drive | without drive |
| T max.:[°C] | 120 °C |
| DN | PN | Flanges/PN | L | D | ØP | nxd | H | Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| 50 | 16 | 16 | 230 | 160 | 125 | 4x18 | 120 | 15.5 |
| 65 | 16 | 16 | 290 | 180 | 145 | 4x18 | 135 | 19 |
| 80 | 16 | 16 | 310 | 195 | 160 | 4x18 | 145 | 26.4 |
| 100 | 16 | 16 | 350 | 215 | 180 | 8x18 | 186 | 37 |
| 125 | 16 | 16 | 400 | 245 | 210 | 8x18 | 200 | 57 |
| 150 | 16 | 16 | 460 | 280 | 240 | 8x23 | 214 | 76 |










