Welded Metal Bellows Mechanical Seal
Materials: Rotary Ring: Ceramic/SiC Stationary Ring: Ceramic/SiC Secondary Seals: NBR/FPM/EPDM Metal parts: SS304/SS316 Applications: Shaft Size =10 ～40mm Pressure: 1.0 Mpa Temperature: -20 ～ 180 ℃ Speeds: 20 m/s Equivalent to BT-Burgmann type FN,Roten type 3 Used in clean water pumps,sewage pumps,submersible pumps and chemical pumps,which apply to oil,water and weak corrosive solutions.
Temperature:-50--400
pressure:0-2.8Mpa,working in negative-pressure or vacuum
Speed:30m/s
Stationary Ring:30--140mm
Features: ·Single face,unbalanced structure and conical spring. ·Simple structure,good performance and reliable seal. ·Suitable for many specifications and designs which conform to GB6556,ISO3069 and DIN24960.
Split Wave -spring mechanical seal with thin cross section and short working length. Most commonly used on rotary lobe pump, found extensively in the food, process, dairy and brewery industries .Manufacturer to suit DIN24960(EN12756) dimensions.
1) Materials:304/316 stainless steel or Solid Tungsten Carbide Seal Face,Resin lmpregnated Carbon.Or Boot Mounted Or O-Ring Mounted Pinned Tungsten Carbide Seats.
2) Secondary Seal: Viton ; Nitrile ; EPDM ; FEP ; Aflas and Kalraz.
3) Description: Rotary based wave spring mechanical seal with thin cross section and short working length.
4) Features: Most commonly used on rotary lobe pumps found extensively in the food, process, dairy and brewery industries. Normally used to replace Type 7k seal.