A pipe plug includes two or more pivotally connected plugging heads that work in combination to double block and bleed a pipe. At least one of the plugging heads has an expandable sealing element that is in communication with an inflation source. The sealing element may be an inflatable ...
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API 5CT Conventional Single Plug Cementing Head Product Introduction A device fitted to the top joint of a casing string to hold a cement plug before it is pumped down the casing during the cementing operation. In most operations, a bottom plug is launched before the spacer or...
Single and Double Plug Cementing Head with Manifold Oil Well Plug API Certified US$3,525.00 / Piece Downhole Casing Cutter Internal Cutter External Cutter Casing Drilling Pipes Negotiable Bowen Similar Series 10 and 20 Overshots API Fishing Tool with Bask...
Drosophila Dicer-2 (Dcr-2) produces small interfering RNAs from long double-stranded RNAs (dsRNAs), playing an essential role in antiviral RNA interference. The dicing reaction by Dcr-2 is enhanced by Loquacious-PD (Loqs-PD), a dsRNA-binding protein that partners with Dcr-2. Previous biochemi...
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UK US Multi Socket Double Power Outlet Switched USB Silver Tone 250V 13A Add $19.89 current price $19.89 UK US Multi Socket Double Power Outlet Switched USB Silver Tone 250V 13A Shipping, arrivesin 3+ days LENCENT USB Wall Charger, 6 Multi Plug Outlet Extender with PD Type-C & 2...
Single Row , Double Row Certificate ISO9001,ISO14000,Ts16949 Transport Package Poly Bag + Carton Specification 1.27 pitch Trademark N/A Origin Shenzhen, China. Production Capacity 5, 000, 000 PCS/D Product Description OEM 1 to 40 pin Single Dual Row Adapter Spare...
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