Make sure you’re completely covered onsite with a Type H BPV and TWCV field kit from Heshka Oil. It’s the first kit of its kind that’s compatible with Type H back pressure valves and Type H two way check valves. The kit can be used for in field repairs or testing.

Order Your H Back Pressure Valve Online. Heshka Oil was the first manufacturer to offer oil rig and drilling suppliers the ability to order back pressure valves online. Get unparalleled convenience that cuts cost and saves time. Heshka Oil Type H back pressure check valves are 100% interchangeable with Cameron® products.

On our website you’ll find type H back pressure valves that are every bit as durable as they are affordable. The Heshka Oil type H back pressure valve is a one way check valve also known as a non return valve or NRV. Our type H back pressure valve can seal tubing pressure while the blowout preventers are removed and the Christmas tree is installed.

Heshka Oil LLC is a manufacturer of gate valves, back pressure valves, two way check valves, adjustable chokes, positive chokes, hydraulic drilling chokes, check valves, choke and kill...

Manifolds, Kill Manifolds, Gate Valve replacement parts and much more. Here at Heshka, we take pride. in the quality products we offer and the exceptional customer service we provide to our customers. Heshka Oil was founded in December of 2013 in Conroe, Texas. The founding members, Michael. would be happy with. possible.

2020年8月24日 · The Heshka Oil type H back pressure valve (BPV) is a type H one way check valve also known as a non-return valve or NRV. The back pressure control valve is used to safely seal the tubing pressure while the blowout preventer is removed and the wellhead tree is installed.

Cameron ype F,FC ,FLS,FLS-R parts, if you have any questions please let me know, We are also manufacturing Back Pressure and two way check valves in house, MS & R Check Valves, 1502 Plug Valves, BOP Ram Packers, Seal Kits, Elements, Etc.

良性阵发性位置性眩晕（bppv)，俗称“耳石症”，是引起眩晕的常见疾病之一，占前庭性眩晕患者的20%～30%，男女比例为1:1.5～1:2.0， 通常40岁以后高发，且发病率随年龄增长呈逐渐上升趋势。

BpV(HOpic) 是一种有效的和选择性的 PTEN 抑制剂，IC50 值为 14 nM。Nanocarrier-BpV(HOpic) 具有神经保护作用。- 高纯度，全球文献引用。

良性阵发性位置性眩晕（bppv）是一种临床上常见的周围性前庭疾病，是最常见的源于内耳的眩晕病。 当头部运动到某一特定位置时可诱发短暂的眩晕，并伴有眼震和自主神经症状。