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D681 Pneumatic Sanitary Butterfly Valve

Product overview

Product model: D681
Nominal diameter: DN20~108mm
Nominal pressure: PN0.6~1.6MPa
Applicable temperature: -20~80℃
Body material: stainless steel (P4, P6)
Design basis: GB standard
Design standard: GB/12238-1989
Experiment and inspection: JB/T9092

D681 Pneumatic Sanitary Butterfly Valve product details

D681 Pneumatic Sanitary Butterfly Valve Characteristic
         explosion-proof features , switches, locators

        European Department hardcover, skilled, sealed and reliable, alternative to imports

        Detachable connection, stable work, simple structure, easy maintenance

        Opening and closing torque is small, rapid response, high quality, long life

        Interior polished, bright surface, lightweight and beautiful, clean, no dead ends easy to clean


D681 Pneumatic Sanitary Butterfly Valve 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.   


D681 Pneumatic Sanitary Butterfly Valve 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.



Reminder:

All text, data and pictures in this article are for reference only.To see more details of the D681 Pneumatic Sanitary Butterfly Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

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