Pneumatic Ceramic knife gate valve

This valve is application as an on-off media containing high –hardness grains ,such as cinder water , or for pipelines with both soft grains and corrosive media .its nominal pressure is 1.0 Mpa ,and application temperature ≤ 150℃ .the sealing surface adopts had seal , and all medium contacting parts are made of structural ceramic with extremely high chemical stability and hardness .Therefor , it has extremely strong resistance to abrasion ,corrosion and erosion .good heat insulation and small thermal expansion . Its feed inlet is fully through without any blocks and it has strong abrasion resistance a good seal ability and a small strating load , with little ash seizure or accumulation .It adopts a high-grace toughened structural ceramic seal ,featuring high mechanical strength ,strong abrasion resistance ,a long service life and a compact structure which can be installed at any angle
■ Material for main Parts
Item Name Material Item Name Material
1 Body WCB 6 Stem Q235+Hcr
2 Disc Ind+Ceramic 7 Yoke Q235
3 Seat 8 8 Nut 10
4 Packing PTFE 9 Traval Switch Assemble
5 Packing Gland WCB Pneumatic Assemble


■ Application Specification
Design & Manuafcture GB/ T 8691
Connection end dimension Face to face GB/T 15188.2
Flange dimension Gb/T9113.1
Inspect & Test JB/T 8691
Material Carbon Steel GB/T 12229
Stainless Steel GB/T12230
Mark GB/T12220
Supply GB/T12252

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