D1221 metal spiral gasket, inner ring metal spiral gasket

rr rr >< : >
< : >Metal wound gasket
< r : >,
< r : >Inner ring
< : >Metal wound
< r : >Gasket
< r : >,
< r : >PTFE manhole gasket
< : >Produced by Hebei Litian Sealing Material Products Factory
< : >< br/>< : >
< : >Metal spiral wound gasket
rr < :: > type is the basic type, that is, it does not have a ring and is completely wound with metal strips and non-metal strips. It is suitable for Tongue and groove surface.
rr < :: > Type B is an inner ring type, suitable for < surface
Type rr < :: > is an outer ring type, suitable for < R surface, but the pressure is lower than <
The rr < :: > model is an inner and outer ring type, suitable for < R surface
rr < (,, :: >The model number of the winding pad is < digits of Arabic numerals
rr < : >The first digit represents the outer ring material , the second digit represents the metal belt material, the third digit represents the material code, and the fourth digit represents the inner ring material
rr < : >：None< :< :Special asbestos paper< :None
rr < : >: Mild steel< :<: Flexible graphite<: Mild steel
rr < : >:<
< : >
< : >:<
< : >< br/>< : >：< :<
rr < : >：Non-special asbestos paper< :<
rr < : >：<
< (,, :: >For example
rr < : >The gasket is < type, which is < type gasket, without ring, metal belt is < , non-metal is graphite
rr < : >It is < type B gasket, with inner ring , the metal belt is <, and the non-metal belt is flexible graphite
rr < :>We often say metal graphite winding pad or metal asbestos winding pad, generally < type and < type, < is determined according to the flange surface
r >< : >