Kerosene Cabin Breathing Valve

1. Standard: CB/T 692-1994

2. Working surrounding: oil cabin ventilation pressured vacuum pipes

3. Flange connection standard: GB2501-89

4. Material:

(1). ZG230-450 or HT200 for body, bonnet and cap.

(2). 2CR13 for guide stem.

(3). QA19-2 for stem.

(4). QSi3-1 for spring.

5. Picture for BS type:

6. Drawing for AS type:

7. Drawing for BS type:

8. Stock view: