Specification and size of T303-1 round check valve

Type

1

2

3

4

5

6

7

8

9

10

11

12

13

D

220

250

280

320

360

400

450

500

560

630

700

800

900

a

10

10

10

10

10

15

15

15

15

15

15

15

15

b

60

80

100

100

110

130

150

150

150

150

150

150

150

e

110

130

150

160

180

200

230

250

285

315

350

400

455

I

50

50

50

50

50

50

50

50

60

60

60

60

60

Note1. The purpose of this valve is to prevent air regorge when the blower stops work.

    2. The device of the valve requires wind speed in the tube is not less than 8m/s.

    3. The valve is mounted on the level, heavy bob is no need when vertical mount.

       The mounting type is needed to be marked when ordering.