Negotiable MOQ: 1 Set (Price negotiable depending on order volume and customization)
Key Specifications
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Brand Name:
Shuangjia
Place of Origin:
China
Model Number:
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
7 days
Brand Name Shuangjia
Place of Origin China
Arrow Type Check Valve used to be installed between drill stem and bit to prevent drilling fluid backflow from the bottom. The body is a crossover sub in which the other parts are installed. When backflow occurring, the Arrow will press to valve seat so that the fluid can not flow upwards through the valve. When Arrow falls on the down seat, the circulating of drilling fluid can flow through the valve without pressure .
Type O.D I.D Length Connection
mm(inch) mm(inch) mm(inch) API
JH86 86(3-3/8) 41.3(1-5/8) 489(19-1/4) NC31
JH105 105(4-1/8) 41.3(1-5/8) 489(19-1/4) NC31
JH121 121(4-3/4) 54(2-1/8) 540(21-1/4) NC38
JH127 127(5) 54(2-1/8) 610(24) NC38
JH165 165(6-1/2) 70(2-3/4) 550(21-21/32) NC50
JH178 178(7) 70(2-3/4) 716(28-3/16) NC50
JH184 178(7-1/4) 76.2(3) 716(28-3/16) 5-1/2FH
JH229 229(9) 76.2(3) 716(28-3/16) NC61
When ordering or requesting quotation, if size out of above specification, pls. specify clearly.

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Business Type
Manufacturer
Year Established
2001
Factory Size
Above 100,000 square meters
Annual Export Value
Above US$100 Million