Diaphragm Valve DIN Flanged
TECHNICAL DESCRIPTION
Diaphragm valve, with flange connection. Often used in installations for the transfer of fresh and sea water, compressed air, thick and abrasive substances.
WORKING FLUID / MEDIUM
• Water, compressed air, CHW (Chemically Purified Water), fluids with increased density and viscosity, seawater.
EXECUTION
• Different materials for covers and inserts upon request.
OPTIONS
• Threaded connection: 1/2″ – 2″ BSPP
Dimensions: DN 15 – 200
The DIN Flanged Diaphragm Valve is engineered for precision flow control in demanding industrial applications. Constructed with a robust diaphragm that isolates the media from the valve mechanism, it ensures leak-free operation and exceptional corrosion resistance. Ideal for handling aggressive chemicals, slurries, and high-purity fluids, this valve complies with DIN standards for seamless integration into existing piping systems. Its flanged design facilitates easy installation and maintenance, reducing downtime and operational costs.Key features include:DIN-compliant flanged connections for standardized fitDiaphragm isolation to prevent contamination and extend service lifeExcellent chemical resistance suitable for harsh environmentsManual or automated actuation options for versatile controlWide temperature and pressure range adaptabilityApplications span industries such as pharmaceuticals, water treatment, chemical processing, and food and beverage, where hygiene, reliability, and durability are paramount. The valve’s design minimizes dead space, ensuring efficient flow and easy cleaning for sanitary requirements. Whether used in shut-off, throttling, or diverting services, it delivers consistent performance under varying operational conditions.Built to endure rigorous use, the DIN Flanged Diaphragm Valve offers long-term reliability with minimal maintenance. Its compatibility with various diaphragm materials—such as EPDM, PTFE, and Viton—allows customization to specific media and process needs. Upgrade your fluid handling system with this high-performance valve to enhance safety, efficiency, and compliance with industrial standards.

Materials
| No. | DETAILS | MATERIALS |
|---|---|---|
| 1 | Body | gray cast iron EN-JL1040 (GG25) |
| 2 | Lid | gray cast iron EN-JL1040 (GG25) |
| 3 | Spindle | stainless steel 1.4301 |
| 4 | Membrane | NBR rubber |
| 5 | Valve | gray cast iron EN-JL1040 (GG25) |
Features
| SPECIFICATION | |
|---|---|
| Standard | DIN 3202 F32 |
| Joining | EN 1092-2 |
| Construction length | EN 558, series 1 |
| Lid connection | bolted |
| Execution | straight |
| Joining | flanged |
| Management | manually with wheel |
| Drive | multi-turn |
| T max. [°C] | 120 °C |
| DN | PN | Flanges/PN | L | D | ØP* | nxd | H | Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| 15 | 16 | 10-16 | 130 | 95 | 65 | 4x14 | 90 | 2.5 |
| 20 | 16 | 10-16 | 150 | 105 | 75 | 4x14 | 100 | 3 |
| 25 | 16 | 10-16 | 160 | 115 | 85 | 4x14 | 115 | 4 |
| 32 | 16 | 10-16 | 180 | 140 | 100 | 4x18 | 140 | 6.4 |
| 40 | 16 | 10-16 | 200 | 150 | 110 | 4x18 | 158 | 7.6 |
| 50 | 16 | 10-16 | 230 | 165 | 125 | 4x18 | 174 | 10 |
| 65 | 10 | 10 | 290 | 185 | 145 | 8x18 | 210 | 17 |
| 80 | 10 | 10 | 310 | 200 | 160 | 8x18 | 240 | 23 |
| 100 | 10 | 10 | 350 | 220 | 180 | 8x18 | 295 | 32 |
| 125 | 10 | 10 | 400 | 250 | 210 | 8x18 | 385 | 50 |
| 150 | 10 | 10 | 480 | 285 | 240 | 8x22 | 425 | 74 |
| 200 | 10 | 10 | 600 | 340 | 295 | 8x22 | 497 | 174 |
| Note: The dimensions in column ØP should be considered as the diameters of the bolt circle, as the latter are not indicated in the drawing. | ||||||||











