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Body pieces position themselves properly by means of the cup and cone shapes (3c) of each piece. Metal centering (3d) withstands lateral and
angular pipe forces.
Almost metal-to-metal flange contact (3e) in the circumference area controls the effects of temperature variations.
One-piece ball/stem design
Stainless steel core
Eliminates individual plastic lined mating parts for higher pressure/temperature ratings and optimises operational safety.
Al2O3 (99,7 %) ceramic ball option
Energised PTFE seat rings
provide a permanent spring load onto the ball and ensure of gas-tight sealing.
Time-tested maintenance-free stem seal
Outstanding long-life seal performance
Gas-tight to EN 12266, leakage rate A
Spring gland follower ensures of tightness even with changing conditions.
Visual inspection of sealing load
Manually adjustable from outside
Universal ISO 5211 mounting dimensions
External corrosion protection
Body epoxy coated. Packing gland, lever, lever stop, nuts and bolts stainless steel. Optional ASTM A193/B7M bolting.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
1989
Total Annual:
100000000-150000000
Employee Number:
500~700
Ecer Certification:
Active Member
YFM (Youfumi Group) is a specialist in the fields of design and manufacture lined valves, pipeline and fittings for more than 30 years, providing flow solutions for corrosive and aggressive fluids in petrolum and chemical industries, pharmaceutical, printing and dyeing, electrical, shipbuilding, met... YFM (Youfumi Group) is a specialist in the fields of design and manufacture lined valves, pipeline and fittings for more than 30 years, providing flow solutions for corrosive and aggressive fluids in petrolum and chemical industries, pharmaceutical, printing and dyeing, electrical, shipbuilding, met...