Description
The butterfly valve is designed for use as a shut-off or regulating valve for flow control in as shut-off or regulating valves for flow control in systems of heat supply, water supply, in technological processes of food, chemical, oil and gas, pulp and paper and other industries, oil and gas, pulp and paper and other industries.
Technical parameters of Water Butterfly Valve DNOVA WCB-316L-EPDM, body material - carbon steel, disk material - stainless steel AISI 316L, seal - EPDM, with pneumatic actuator double action PA-DA-105-1:
| Nominal pressure PN, bar | 16 |
| Flow direction | double-sided |
| Working medium temperature t, ⁰C | -20 to +85 for NBR |
| -20 to +120 for EPDM | |
| -10 to +180 for PTFE | |
| Working medium | EPDM: cold and hot water, air without impurities of oil and grease, other media neutral to the material |
| PTFE: water, alkalis, acids, solvents and oxidizers | |
| NBR: water, mineral oils, hydrocarbons, | |
| oils, fats | |
| Connection to pipeline | interflange |
Butterfly valves WCB-316L-EPDM, body material - carbon steel, disk material - stainless steel AISI 316L, seal - EPDM, with pneumatic actuator double action PA-DA-105-1
Dimensions and dimensions of butterfly valves DNOVA WCB-316L-EPDM, body material - carbon steel, disk material - stainless steel AISI 316L, seal - EPDM, with pneumatic actuator double action PA-DA-105-1:
| DN | A, mm | B, mm | A1, mm | W, mm |
| 150 | 225 | 140 | 495 | 200 |
Sketch Butterfly valves WCB-316L-EPDM, body material - carbon steel, disk material - stainless steel AISI 316L, seal - EPDM, with pneumatic actuator double action PA-DA-105-1
Materials of butterfly valves DNOVA WCB-316L-EPDM, body material - carbon steel, disk material - stainless steel AISI 316L, seal - EPDM, with pneumatic actuator double action PA-DA-105-1:
| № | Name | Material |
| 1 | Body | carbon steel WCB |
| 2 | Cuff | EPDM |
| 3 | Disk | Stainless steel AISI 316L |
| 4 | Stem | Stainless steel AISI 316L |
| 5 | Stud | Stainless steel AISI 316L |
| 6 | Sleeve | PTFE |
| 7 | O-ring | NBR (nitrile) |
| 8 | plate | Carbon steel |
Sketch of parts and materials Butterfly valves WCB-316L-EPDM, body material - carbon steel, disk material - stainless steel AISI 316L, seal - EPDM, with pneumatic actuator double action PA-DA-105-1
Technical parameters of pneumatic actuator PA-DA-105-1:
| Type of pneumatic actuator | double-acting |
| Control pressure, bar | 2 ÷ 8 |
| Operating temperature, °C | -20 to +80 |
| Visual position indicator | open / closed |
| Manual control | handwheel |
| Swivel angle, ° | 90 ± 5 |
| Top connection standard | NAMUR |
| Air connection standard | NAMUR |
| Air supply connection thread | G 1/4ʺ |
| ISO flange type | F07/F10 |
| Stem square, mm | 22x22 |
| Weight, kg | 9 |
| Average life, cycles closed/open | 300 000 |
Pneumatic actuator PA-DA-105-1
Dimensions and dimensions of the pneumatic actuator PA-DA-105-1:
| A, mm | 495 |
| A1, mm | 461.5 |
| B, mm | 133 |
| C, mm | 109.5 |
| D, mm | 153 |
| E, mm | 57.5 |
| F, mm | 64 |
| G, mm | 26 |
| H, mm | 80 |
| I, mm | 30 |
| N, mm | 22 |
| W, mm | 200 |
| J, mm | 102 |
| K, mm | 70 |
| L, mm | M10x16 |
| M, mm | M8x13 |
| O, mm | 4 |
| P, mm | 4 |
| S, mm | M6 |
| T, mm | 24 |
| U, mm | 32 |
Sketch of dimensions and dimensions of pneumatic actuator PA-DA-105-1
PA-DA-105-1 air actuator parts and materials table:
| № | Part name | Material |
| 1 | Indicator screw | ABS (plastic) |
| 2 | Position indicator | ABS (plastic) |
| 3 | Spring clip | Stainless steel 304 |
| 4 | Washer | Stainless steel 304 |
| 5 | External washer | Engineering plastic |
| 6 | Adjustment screw | Stainless steel 304 |
| 7 | Nut | Stainless steel 304 |
| 8 | Washer | Stainless steel 304 |
| 9 | Body | Extruded aluminum alloy |
| 10 | Piston | Die cast aluminum alloy |
| 11 | Piston O-ring | NBR |
| 12 | Bearing group | Engineering plastic |
| 13 | End cap O-ring | NBR |
| 14 | End cap | Die cast aluminum alloy coated with polyester paint |
| 15 | Fixing screw | Stainless steel 304 |
| 16 | Internal washer | Engineering plastic |
| 17 | Sealing ring | NBR |
| 18 | Bearing | Engineering plastic |
| 19 | Retainer | Alloy steel |
| 20 | Gear | Alloy steel |
| 21 | Bearing | Engineering plastic |
| 22 | Sealing ring | NBR |
Parts and material sketch of the PA-DA-105-1 pneumatic actuator
Specifications
Delivery
The cost and delivery time for your order depend on several factors, including the specific product you are ordering, the quantity, and the country of destination. Each product may have different manufacturing lead times and shipping requirements, which can affect the overall delivery schedule.
To get the most accurate and up-to-date information on delivery costs and timelines, we recommend contacting our sales managers. They will be happy to provide you with a detailed quote and estimated delivery time based on your specific requirements.
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