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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
[DN]	L1	D	M	L2	D	d	L3	D	d	L4	D	d	Lo	H	Actuator model
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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