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Help CenterCast Carbon Steel Trunnion Ball Valve With Flange Connection WCB
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Certification:ISO
Cast Carbon Steel Trunnion Ball Valve with Flange Connection WCB
Quick Detail:
Size : 8 \'\' Class: 600 lb
Material: WCB Connection: Flange
Construction: Two piece
Applications:
large and medium oil, gas, water conservancy, pharmaceuticals,Chemical, heating equipment
industry .We can also produce according to customer\'s size.
Description:
CAST TRUNNION BALL VALVE
1.Blow-out proof stem
For the purpose of preventing the stem from flying off resulting in abnormal rising of the inner
pressure of valve,shoulder is fixed at the lower part of the stem.In addition,in order to prevent
leakage resulting from burnout of packing set of the stem in a fire,thrust bearing is set at the
contact position of the shoulder at lower part of the stem and valve body.Thus an inverse seal
seat is formed which will prevent leakage and avoid accident.
2.Key lock
Locks can be used to lock the manual valve when it is fully open or closed so as to prevent
non-working personnel from pulling the handle which may result in misoperation of valve.It can
also avoid opening or closing of valve resulting from the shock from pipelines or unpredictable
factors that may cause an accident.For working pipelines such as combustible and explosive oil,
gas and chemical medium,or for field piping site,the locking mechanism is especially useful.
3.Anti-fire safe design
When the trunnion ball valve be used normally,its sealed by seat and ball surface,seat retainer
sealed by O-ring and body,this is soft sealed and reliable sealing.When the seat and O-ring are
burnt,the seat retainer and body will be sealed by expanded graphite.Thus act anti-fire safe purpose.
2. Certificates:
We got API 607, API 6FA, API 6D, CRN, CE-Certificate, ISO 9001 Moody.
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