Description
GG25-316L-NBR butterfly valves are designed for use as shut-off or regulating valves for flow control in heat supply systems, water supply systems, in technological processes of food, chemical, oil and gas, pulp and paper and other industries.
Technical parameters of DNOVA WBV1132N-2W-Fb-H butterfly valves, body material - gray cast iron GG25, disc material - stainless steel AISI 316L, sealing - NBR, with double-acting pneumatic actuator PA-DA-105-1,eelectropneumatic rotary positioner YT-1000RSN with feedback:
| Name | Significance |
| Working pressure, bar | 16 |
| Working medium temperature, °C | from -20 to 90 |
| Application | water supply, heating |
| Connection to pipeline | interflanged |
| Gate type | rotary disk |
| Control type | pneumatic actuator |
| Manufacturer's country | China |
Butterfly valves WBV1132N-2W-Fb-H, body material - grey cast iron GG25, disk material - stainless steel AISI 316L, seal - NBR, with pneumatic actuator double action PA-DA-105-1, electropneumatic rotary positioner YT-1000RSN with feedback
Dimensions and dimensions of butterfly valves DNOVA WBV1132N-2W-Fb-H, body material - gray cast iron GG25, disc material - stainless steel AISI 316L, sealing - NBR, with double-acting pneumatic actuator PA-DA-105-1, electropneumatic rotary positioner YT-1000RSN with feedback:
| DN | A, mm | B, mm | A1, mm | W, mm | S, mm | C, mm |
| 125 | 178 | 125 | 495 | 200 | 62.5 | 117.5 |
| 150 | 191 | 140 | 495 | 200 | 62.5 | 117.5 |
Sketch Butterfly valves WBV1132N-2W-Fb-H, body material - grey cast iron GG25, disk material - stainless steel AISI 316L, seal - NBR, with pneumatic actuator double action PA-DA-105-1, electropneumatic rotary positioner YT-1000RSN with feedback
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
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