Butterfly Valve Steel Type Lug DIN PN 16
TECHNICAL DESCRIPTION
Butterfly valve type “LUG”, soft sealing – Teflon PTFE / metal, double eccentric “High Performance” with one-piece spindle.
• Sealing element – PTFE.
• Top flange according to ISO 5211.
Possible variants with stainless steel AISI 316.
WORKING FLUID / MEDIUM
• Toxic and slightly corrosive fluids, fuels, lubricating oil and flammable hydraulic oils.
• Petrol, non-flammable hydraulic fluids, boiler feed water, condensate.
• Sea water.
EXECUTION
• Stainless steel AISI 316.
• PTFE gasket.
• Other materials on request.
OPTIONS
• Manual drive
• Gearbox drive
• Electric or pneumatic drive.
Dimensions: DN 80 – 600
Our Steel Lug Butterfly Valve, designed to DIN PN 16 standards, is engineered for superior performance in demanding industrial applications. This valve features a robust lug-type body that allows for easy installation and removal without disrupting the entire pipeline system. Ideal for handling water, air, and other non-aggressive media, it ensures reliable shut-off and flow control with minimal pressure drop.Constructed from high-grade steel, this valve offers exceptional durability and resistance to corrosion, making it suitable for use in harsh environments such as chemical processing, water treatment, and HVAC systems. The lug design provides added strength and facilitates secure mounting between flanges, enhancing safety and operational efficiency.Key features include:Compliant with DIN standards for PN 16 pressure ratingLug-type body for easy maintenance and installationHigh-grade steel construction for longevityBubble-tight shut-off capabilityCompatible with a variety of actuators for automationThis valve is an excellent choice for engineers and procurement specialists seeking a dependable, high-performance solution for fluid control systems. Its design ensures compatibility with international piping standards, providing versatility and ease of integration into existing infrastructure.

Materials
| No. | DETAILS | MATERIALS |
|---|---|---|
| 1 | Body | steel 1.0619 (WCB) |
| 2 | Valve (disc) | stainless steel 1.4301 (AISI304) |
| 3 | Pin | stainless steel 1.4401 (AISI316) |
| 4 | Cuff | Teflon/PTFE |
| 5 | Spindle | stainless steel 1.4301 (AISI304) |
| 6 | Gasket | Teflon/PTFE |
| 7 | Handle / reducer | malleable cast iron EN-JS1030 (GGG40) |
Characteristics
| Standard flanges | ANSI #150 |
| Construction length | API 609 |
| Execution | straight |
| Joining | interflange |
| Management | manual with gearbox, electric and pneumatic drive |
| Drive | sectoral |
| T max. [°C] | PTFE sleeve +180 °C |
| DN | P | L | ◘E | ØD | d | ØDh | ØxN | ØD3xØxN | ◘H | H | H1 | H2 | Kg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 80 | PN 16 | 48 | 14 | 126 | 76 | 160 | M16x8 | 102x12x4 (F10) | 16 | 86 | 134 | 140 | 9 |
| 100 | PN 16 | 54 | 14 | 155 | 96 | 180 | M16x8 | 102x12x4 (F10) | 16 | 86 | 144 | 150 | 13 |
| 150 | PN 16 | 57 | 17 | 215 | 143 | 240 | M20x8 | 102x12x4 (F10) | 19 | 89 | 190 | 185 | 19 |
| 200 | PN 16 | 62 | 19 | 267 | 188 | 295 | M20x12 | 125x14x4 (F12) | 21 | 101 | 214 | 215 | 28 |
| 250 | PN 16 | 70 | 22 | 326 | 236 | 350 | M24x12 | 125x14x4 (F12) | 24 | 104 | 254 | 260 | 44 |
| 300 | PN 16 | 81 | 27 | 375 | 281 | 400 | M24x12 | 140x18x4 (F14) | 29 | 129 | 298 | 290 | 66 |
| 350 | PN 16 | 92 | 32 | 416 | 320 | 460 | M24x16 | 140x18x4 (F14) | 34 | 134 | 328 | 320 | 86 |
| 400 | PN 16 | 102 | 36 | 480 | 371 | 515 | M27x16 | 165x22x4 (F16) | 38 | 158 | 377 | 370 | 130 |
| 450 | PN 16 | 114 | 36 | 534 | 420 | 565 | M 27x20 | 165x22x4 (F16) | 38 | 158 | 402 | 395 | 163 |
| 500 | PN 16 | 127 | 46 | 588 | 469 | 620 | M 30x20 | 165x22x4 (F16) | 48 | 168 | 437 | 430 | 227 |
| 600 | PN 16 | 154 | 46 | 692 | 549 | 725 | M33x20 | 254x18x8 (F25) | 48 | 198 | 492 | 480 | 358 |




