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  • Product Details
  • Company Profile

1.Unique valve stem flexible sealing structure: Structure of valve stem nut holding down butterfly spring leaf and then packing is adopted to ensure the sealing and the valve without leakage outside by making the packing remain enough pressing force after abrasion.   2.V-shape packing structure: Reasonable-design V-shape packing structure is adopted so as to efficiently convert media pressure inside valve chamber and locking strength of the nut outside valve chamber into the sealing strength of valve stem, ensuring the seal effect of the valve stem.

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