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2SB8 series straight stroke electric actuator

key word：Heat exchange element

Category:

Valves and actuators

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Product description

2SB8 series straight stroke electric actuator

1. Introduction

1.1. Purpose

2SB8 series straight stroke electric actuator is composed of 2SA8 and straight stroke components. It can output linear motion and is suitable for gate valve and globe valve.

1.2. Model meaning

Code Position 5 6 7 8 9 10 11 12 13 14 15 16

2SB8 ** ## $$ - @@ && ＊＊ ※※ §§ -￠￠ ☆☆ □□ ^^

Code of 2SB8 --- 2SB8 series multi rotary electric actuator

**---------- Actuator series (Code position 5)

##------------Frame number and torque grading (Code position 6)

$$----------Frame number and torque grading (Code position 7)

@@--- output connection form (Code position 8)

&&------------------Output shaft speed (Code position 9)

＊＊------------------ Power supply (Code position 10)

※※------------- Control module selection (Code position 11)

§§---------Protection sleeve of valve stem (Code position 12)

￠￠------ PID control module (Code position 13)

☆☆-------Bus communication (Code position 14)

□□---------Spare code (Code position 15)

^^---------Spare code (Code position 16)

1.2.1. Output connection form (code position 8).

A: No bracket, according to GB12222;

B: No bracket, other non-standard special connection forms;

C: There's a bracket.

1.2.2. Output speed (code position 9), see speed codes D, e and F in table 62-4 and table 62-5

1.2.3 output stroke (code position 12), see stroke codes 0, 1, 2 and 3 in table 62-4 and table 62-5

code positions 5, 10, 11, 13, 14, 15 and 16 refer to the corresponding code positions of 2SA8.

1.3. Structural features

2SB8 is composed of 2SA8 and straight stroke part. The straight stroke part converts the multi rotation motion of 2SA8 output into up and down linear motion.

2. Main technical parameters and product appearance

2.1. Main technical parameters (see table 64-1 and table 64-2)

Table 64-1 main technical parameters of S Series (i.e. 2SB80 Series)

Code position 6,7	Control thrust（KN）	Output speed（mm/min）	Stroke（mm）	Flange No.
11	4~12	25~200 (D) 50~400 (E) 100~800 (F)	50(0) 100(1) 200(2) 400(3)	F07

12	8~25			F10

21	15~45	30~240 (D) 60~480 (E) 120~960 (F)	63(0) 125(1) 250(2) 400(3)	F10



22	25~80	35~280 (D) 70~560 (E) 140~1120 (F)	80(0) 160(1) 320(2) 400(3)	F14
31	50~150


32	90~260	40~320 (D) 80~640 (E)	100(0) 200(1) 400(2)	F16

Table 64-2 main technical parameters of R series (i.e. 2SB85 Series)

Code position 6,7	Control thrust（KN）	Output speed（mm/min）	Stroke（mm）	Flange No.
11	4~8	25~200 (D)	50(0) 100(1) 200(2) 400(3)	F07

12	8~15			F10

21	15~30	30~240 (D)	63(0) 125(1) 250(2) 400(3)	F10



22	25~50	35~280 (D)	80(0) 160(1) 320(2) 400(3)	F14
31	50~100


32	90~180	40~320 (D)	100(0) 200(1) 400(2)	F16

2.2. Product appearance (see figure 64-1 ~ figure 64-3 and table 64-3 ~ table 64-8)

Table 64-3 overall dimensions of 2SB81

Model	d₁	d₂	d₃	n-d₄	d₈	H₂	H₃	H₄
2SB8011	90	55	70	4-M8	M16×1.5	3	49	25
2SB8511
2SB8012	125	70	102	4-M10	M16×1.5	3	49	25
2SB8512

Table 64-4 2SB81 travel meter mm

Model	2SB8011, 2SB8511				2SB8012, 2SB8512
Stroke	50	100	200	400	40	100	200	400
H₁	575	625	725	925	555	605	705	905

Table 64-5 outline dimensions of 2SB82

Model	d₁	d₂	d₃	n-d₄	d₈	H₂	H₃	H₄
2SB8021	125	70	102	4-M10	M20×1.5	3	54	-
2SB8521
2SB8022	175	100	140	4-M16	M36×3	4	74	55
2SB8522

Table 64-6 2SB82 travel meter mm

Model	2SB8021, 2SB8521				2SB8022, 2SB8522
Stroke	63	125	250	400	80	160	320	400
H₁	612	674	799	949	719	799	959	1039

Table 64-7 overall dimensions of 2SB83

Model	d₁	d₂	d₃	n-d₄	d₈	H₂	H₃	H₄
2SB8031	175	100	140	4-M16	M36×3	4	74	55
2SB8531
2SB8032	210	130	165	4-M20	M42×3	5	90	65
2SB8532

Table 64-8 2SB83 travel meter mm

Model	2SB8031, 2SB8531				2SB8032, 2SB8532
Stroke	80	160	320	400	100	200	400
H₁	800	880	1040	1120	880	980	1180