DODOMACH PNEUMATIC

Butterfly Valves

Short-Neck Slim-Disc Butterfly Valve

Short-Neck Slim-Disc Butterfly Valve dimension drawing

Product Details

The Short-Neck Slim-Disc Butterfly Valve is a compact soft-sealing butterfly valve for flow control and shut-off service in compatible utility and industrial pipelines. The short-neck body and slim-disc structure help reduce installation space while keeping operation simple for water, HVAC, food, medicine, desalination, and general fluid systems.

Features

  • Short-neck slim-disc body structure for compact installation.
  • Wafer-style butterfly valve body with handwheel or gear operation options.
  • Soft-sealing seat options suitable for common utility media.
  • Light body, convenient operation, and easy pipeline installation.
  • Applicable to water, power plant, HVAC, food, medicine, desalination, and compatible media service.

Technical Data

Item Specification
Port Size DN50 – DN300 (NPS 2" – 12")
Pressure PN6, PN10, PN16, Class 150
Temperature -29 deg C to +120 deg C
Body Ductile iron
Seat NR, NBR, EPDM, Viton, silicone rubber
Disc / Trim Epoxy coated ductile iron, SS316, SS304, duplex stainless steel, aluminum bronze
Stem SS316, SS304, SS420, SS416
Design Standard API, DIN, ASME, ISO, ANSI, GB/T, BS EN, AWWA
Application Water, power plant, HVAC, food, medicine, desalination

Dimensions

Size (mm) Size (inch) D1 D2 N-D3 D4 D5 D6 D7 D8 D9 A B C E H L Weight (kg)
50 2" 52.6 108.5 4-phi12 50 7 77 100 12.6 35 +0.45/+0.25 219 100 42.04 32 8.86 +/- 0.05 45 2.16
65 2.5" 64.3 50 7 77 120 12.6 35 +0.45/+0.25 240.8 112.8 44.68 32 8.86 +/- 0.05 47.5 2.9
80 3" 78.8 124.7 6-phi12 50 7 77 127 12.6 35 +0.45/+0.25 258 124 45.21 32 8.86 +/- 0.05 49 3.4
100 4" 104 70 10 92 156 15.77 55 +0.45/+0.25 305 152 52.07 32 11.1 54.7 4.1
125 5" 123.3 192 6-phi14 70 10 92 190 18.92 55 +0.45/+0.25 318 152 54.36 32 12.7 58 6.5
150 6" 155.7 70 10 92 212 18.92 55 +0.45/+0.25 343 165 55.75 32 12.7 58.6 7.4
200 8" 202.4 102 12 125 268 22.1 70 +0.45/+0.25 432 205 60.58 45 15.88 63.4 12.7
250 10" 250.4 102 12 125 325 28.45 70 +0.45/+0.25 508 253 65.63 45 20.62 70 18.7
300 12" 301.5 403.5 12-phi27 102 12 140 403 31.6 70 +0.45/+0.25 571 277 75.9 45 70 31.9

Side-flange connection conforms to GB4216.4, GB4216.5, ANSI B16.1 125 PSI, BS10D, BS10E, DIN2501 PN10, DIN2501 PN16, and AS2129 Table E standards.