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Oil Drilling Kelly Valve (upper kelly valve/lower kelly valve/lower Kelly Cock / Drill Pipe Safety Valve)

2025-04-13 introduction 4980
3.1/2''
24/7
1year
Casting
Oxidation
20-50MP
Alloy
Standard
API 6A Kelly Valve / Kelly Cock / Drill Pipe Safet
5000psi-15000psi
2-3/8"~6-5/8"
GOLDENMAN
Export Packing
3.1/2"-8"
8431
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