What is the dynamic sealing strip

Dynamic seals, mainly refers to the stem seal. Do not let the media inside the valve with the stem movement leakage, dynamic seal valve central topic.barrier seals
1) stuffing form
Currently, the dynamic sealing valve to stuffing based. The basic form of stuffing:
(1) Gland
This is the most used form.
The same form can distinguish many details. For example, from the bolts, it can be divided into T-shaped bolt (for pressure ≤ 16 kg / square centimeter low pressure valves), stud and eyelet bolts. From the gland, it can be divided into integral and modular.
2) compression nut type
This form, small size, but the clamping force is restricted to use only for small valves.
2) packing
Stuffing box to fill in direct contact with the valve stem and full of stuffing to prevent media leaks. On the filler has the following requirements:nylon zip ties
(1) good sealing
(2) Corrosion resistance
(3) Friction coefficient
(4) to adapt to the medium temperature and pressure.