FOSV Drilling Handling Tools Full Opening Safety Valve Kelly Valve API 7-1
Brand Name:ATO
Certification:API 7-1
Minimum Order Quantity:1 sets
Payment Terms:L/C,T/T
Place of Origin:CHINA
Price:To be negotiated
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15th/F,Unit1,BLDG#2,Xi'an West OE Park,77 Keji Er Road, Hi-tech Zone, Xi’an, China 710075
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Product Details
API 7-1 Full Opening Safety Valve (FOSV) , Kelly Cock, Kelly Valve, Safety Valve
Product description
Kelly valve also named Kelly cock or drill pipe safety valve. It is
a hand control valve in drill string circulating system and it
is one of the effective tools to prevent blowout.
Kelly valve is divided into Upper Kelly Valve and Lower Kelly
Valve. Upper Kelly Valve is connected between swivel sub and Kelly.
Lower Kelly valve is connected between lower end of Kelly and top
of drill pipe or lower end of Kelly save sub. Rotating the
wrench of full opening safety valve 90° to realize on and off. In
the drilling operation, in order to avoid malignant accidents,
Kelly valves should be connected to both end of Kell to prevent
loss of diilling fluid and blowout.
Specification:
FOSV Drilling Handling Tools Full Opening Safety Valve Kelly Valve API 7-1
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