This product is used for rotary control head (bop): Before use, please adjusting well head, do not use drill pipe with stress groove and the rough wear-proof casing. Drill pipe should grind smooth, when using the drill pipe, it should be lubrication, otherwise, you will greatly shorten service life of the sealing element.
When this product is used for the self-styled head to make a trip operations: It requires strictly control wellhead pressure (as low as possible) and note tripping speed especially over drill pipe joints speed; Otherwise the sealing element may burst (broken) crack or fracture.
1. Q: Does the temperature of sealing element can reach -40ºC~ -50ºC?
A: Sure, what's the environment temperature of your working conditions? It's also depends on your storage conditions. Don't put them in open space. When you replace the packing unit, you should let it reach the room temperature, then you can install it. Otherwise, it would crush easily.
2. Q: What's the temperature range of your products?
A: -45ºC~180ºC
3. Q: Which company do you supply for?
A: Our products can match and interchange most of domestic BOP manufactures, such as Goldenman, Dongying Lake, Dongying Jintan,Dongying Robust, Dongying Sino, Shanghai Shenkai, Huabei Rongsheng, Chuanyou Jingkong, Baoshi Drilling, Jiangsu Xinde, Jiangsu Sanyi, Baoji Saifu etc. Over the years usage in the oil fields, It has been proved that all the technical requirements and performance of our products can reach the standard of Shaffer, Hydril, Cameron sealing elements for replacement.
4. Q: Are you factory or Trading Company?
A:We are factory. Our company is specialized in producing bop rubber packer ,such as annular bop packer ,ram bop packer ,shearing ram packer ,vbr ram packer.
5.Q: Handling time for an order
A: Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.
6. Q: After Services
A: 1. Our sales team will response for your question within 24 hours (Holidays Excluded).
2. Technical Support will be available in any time.
3. Free replacement will provide once the failure confirmed caused by our product quality.
7. Q: Ports of Shipment
A: Tianjin,Qingdao,Shanghai or other required ports.
Audited Supplier 
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