Gold Member Since 2013
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Ningbo Tiansheng Sealing Packing Co., Ltd.

Low Fugitive Emisson Valve Packing, Graphite Packing, James Walker Packing manufacturer / supplier in China, offering China API622 Low Emission Valve Stem Packing, PTFE Sheets, Spiral Wound Gasket, Gasket, Spw and so on.

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China API622 Low Emission Valve Stem Packing

FOB Price: US $4.55 / Piece
Min. Order: 200 Pieces
Min. Order FOB Price
200 Pieces US $4.55/ Piece
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Port: Ningbo, China
Production Capacity: 2000sets/Day
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: TS N821
  • Material: Graphite
  • Certificate: API 622, ISO15848-1
  • Graphite Content: 99.6%
  • Transport Package: Seaworthy or Air Delivery Package
  • Origin: Zhejiang, Cixi
  • Standard: Standard, Nonstandard
  • Usage: Pump, Compressor, Valve, Piping
  • Leakage Rate: 1X10-8 (Helium)
  • Trademark: TIANSHENG
  • Specification: API622, API624, ISO 15848-1
Product Description
TS N821 Low Emission Valve Stem Packing is the unique type of Pure Graphite Packing Ring which is mainly used in the environment with difficult condition. It can play outstanding role when is to be used, the anti-leakage effect is remarkable.


TS N821 Low Emission Valve Stem Packing is researched and developed by TIANSHENG that it adopted special structure which make the Low Emission Valve Stem Packing plays the excellent function of anti-leakage; Especially it plays optimal sealing function under the pressure of 150LBS to 300LBS. It is composed of high purity flexible graphite, the purity of flexible graphite is above of 99.6 percent. There are two end rings on the top and bottom; The number of middle rings is according to customer requirements.

Application: It applies to the gate valve, isolating valve, regulating valves, and stop valves.

Outstanding Property:
There is no leakage after 3000 times of movements of valve stem;
Leakage rate is below 1.0 x 10-8(Helium gas);
With low bolt torque;
Low stress release;
The pressure can be reach 42.0Mpa;
Certification: API 622 and ISO15848-1.
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Miss Vivian Xu
Sales Manager
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