BT type and P-type secondary seals.

Both types of seals are injection molded secondary seals, which are reliable and easy to operate on site.

Sealing rings are limited in media such as oil, natural gas, and mud for a long time.

Metal secondary sealing.

Composed of support seat, metal sealing ring, etc.

Suitable for harsh environments and high corrosion conditions.

The sealing performance is reliable and meets the function of high-pressure gas safety sealing.