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Pneumatic hygienic butterfly valve
20195289513488
Model: D681
Nominal diameter: DN20 ~ 108mm
Nominal: PN0.6 ~ 1.6MPa
Temperature: -20 ~ 80 ℃
Body material: stainless steel (P4, P6)
Design basis: GB standard
Design criteria: GB / 12238- 1989
Test and inspection: JB / T9092
Product details

Pneumatic hygienic butterfly valve
       ab1caa20-a0a4-42c4-bdbe-1cbc6ac75e4c  explosion-proof features , switches, locators

       ab1caa20-a0a4-42c4-bdbe-1cbc6ac75e4c European Department hardcover, skilled, sealed and reliable, alternative to imports

       ab1caa20-a0a4-42c4-bdbe-1cbc6ac75e4c Detachable connection, stable work, simple structure, easy maintenance

       ab1caa20-a0a4-42c4-bdbe-1cbc6ac75e4c Opening and closing torque is small, rapid response, high quality, long life

       ab1caa20-a0a4-42c4-bdbe-1cbc6ac75e4c Interior polished, bright surface, lightweight and beautiful, clean, no dead ends easy to clean

Technical Parameters
Nominal diameter DN20 ~ 108mm
Connection method External thread, three-piece welding, clamp, butt welding
Cylinder matching AT series, GT series, import actuator series
Cylinder form Double acting, single acting (spring return)
control method Two off (switch), adjustable, three-stage (opening degree optional)
Nominal pressure 6,10,16bar (For higher pressure, please specify when ordering)
Air pressure Double role: 4 ~ 8bar, single role: 5 ~ 8bar
Medium temperature W5: -20 to 80 ° C W6: -20 to 150 ° C W9: -30 to 120 ° C
Ambient temperature Standard type: -20 ~ 80 ℃
Body material Stainless steel (P4, P6)
Sealing material NBR (X), Viton (FKM), EPDM (E)

Note: Other special sealing materials or special temperature can also be designed according to customer requirements.   


Main dimensions-PN6 ~ 16 (6 ~ 16bar)
[DN] Male thread
connection size
Three-piece
connection
size
Clamp
connection
dimensions
Butt
welding
connection
size
Lo H Actuator
model
L1 D M L2 D d L3 D d L4 D d
20 100 78 19.05 66 78 50.5 66 78 19.05 141/141 157/557 ATD50 / ATE50
25 66 78 40xl / 6 100 78 25.4 66 78 50.5 66 78 25.4 141/141 157/557 ATD50 / ATE50
32 66 78 48xl / 6 100 78 31.8 66 78 50.5 66 78 31.8 141/141 157/557 ATD50 / ATE50
38 70 86 60xl / 6 100 86 38.1 70 86 50.58 70 86 38.1 141/141 157/557 ATD50 / ATE50
51 76 102 70xl / 6 104 102 50.8 76 102 64 76 102 50.8 141/159 171/180 ATD50 / ATE63
63 80 115 85xl / 6 112 115 63.5 80 115 77.5 80 115 63.5 141/159 169/169 ATD63 / ATE63
76 84 128 98xl / 6 112 128 76.1 84 128 91 84 128 76.1 159/211 194/208 ATD63 / ATE75
89 120 139 88.9 90 139 106 90 139 88.9 159/248 200/224 ATD63 / ATE88
102 104 159 132xl / 6 128 155 101.6 102 155 119 102 155 101.6 211/248 220/242 ATD75 / ATE88
108 128 159 108 108 159 119 108 159 108 211/269 223/245 ATD75 / ATE100

Note: According to different valve torque, different air pressure and different actual conditions, choose the appropriate actuator size also changes.