Bellow Seal Valve Classifications

Bellow Seal Valve refers to the valve which has double sealing, one is valve disc sealing, the other one is Stainless Steel Bellow Sealing. 

According to its structure difference and the standard difference, Bellow Seal Valve can be divided into following types:

1. DIN Bellow Seal Globe Valve. It's Globe Valve sealed by SS Bellow and applied to DIN Standard.

2. DIN Y Type Bellow Seal Globe Valve. It has the same features as DIN Bellow Seal Globe valve, but only with Y Type Structure.

3. DIN Angle Type Bellow Seal Globe Valve. It also refers to DIN Bellow Seal Globe Valve but with 90 Degree Angle Type Structure.

4. DIN Non-Rising Stem Bellow Seal Globe Valve. It's like KSB Type Bellow Seal Globe Valve with non-rising stem and with stem position indicator.

5. ANSI Bellow Seal Globe Valve, It's like the above mentioned Bellow Seal Globe valve but with ANSI Standard. The face to face dimension is the same as ANSI Globe Valve.

6. ANSI Bellow Seal Gate Valve. It refers to ANSI Gate Valve with Extended and Bellow Seal Stem.

All the above mentioned Bellow Seal Valves can be applicable to the working condition with pressure range PN1.6-4.0MPa and temperature range -20~350 Deg C. Users can select suitable bellow seal valves according to exact working space limitations or exact function requirement.

Bellow Seal Valve Features:

1. Double Bellow Sealing as standard

2. Maintenance- free

3. Heat Radiation Bonnet

4. With Bellow Sealed Stem

5. Gland Packing as secondary sealing.

6. Position Indicator as standard

7. Non-Rising Hand Wheel