| Customization: | Available |
|---|---|
| After-sales Service: | 24/7 |
| Warranty: | 12 Months |
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Full Opening Safety valve is a manual control ball type safety valve used to stop flow through the drill string. FOSV assembled between lower Kelly sub and upper drill pipe sub. In the drilling operation, in order to avoid malignant accidents, the FOSV shall be connected between drill pipes in drilling process. It can be opened or closed off by simply turning a special operating wrench 90° according to indicated direction.If the Kelly is not made up in the drill string and flow occurs, crew members can insert the safety valve in the drill string. This procedure is called Stabbing of full opening valve as a large in inside opening as possible. When fully open, flow from the drill pipe passes through the valve with no additional restriction. This relatively large opening allows the crew to stab the valve against pressure coming out of the drill string.
| Type | Exradius OD Inch (mm) |
Inradius ID Inch(mm) |
Connecting thread API |
| FOSV79 | 3-1/9(79) | 4/5(20) | 2-7/8HT PAC |
| FOSV89 | 3-1/2(89) | 1-3/16(30) | NC26 |
| FOSV111 | 4-3/8(111) | 1-37/64(40) | NC31 |
| FOSV121 | 4-3/4(121) | 1-31/32(50) | NC38 |
| FOSV127 | 5(127) | ||
| FOSV133 | 5-1/4(133) | 2-11/25(62) | NC40 |
| FOSV159 | 6-1/4(159) | 2-4/5(71) | NC46 |
| FOSV165 | 6-1/2(165) | 2-13/16(71.4) | NC50 |
| FOSV168 | 6-5/8(168) | ||
| FOSV190 | 7-1/2(190) | 3(76.2) | 5-1/2FH |
Xi′an BOBAN Oil Tools Co., Ltd. Make & Supply a full line of equipment for O& G, horizontal directional drilling (HDD), micro-tunnelling, pipe jacking, etc, In O& G section, we can supply drilling rig component, downhole drilling tools, fishing tools, tubular handling tools, well control equipments, drilling fluid mixing & Recycling system, solid controling equipments and other relevant oiltools,
All our products are API certified, and we are also authorized by ISO: 9001-2000. With advanced production facilities, rigorous quality management, and the joint efforts of our experting staff, Boban has been qualified vendor for many renowned companies in Italy, Germany, Poland, UAE, Kuwait, Egypt, & South East Asia, etc since its establishment in 2018. And obtained a good reputation among the offshore customers as well as other industrial clients.
With our reasonnal prices, quick reaction, high quality products and deliver anywhere on time as well as superior service, Boban has stablished good cooperation relationship with many well-known customers in the world, and also wish to have the chance to work with more and more customers from all over the world!
1. How do I request a quote for your services?
In our company, we strive to provide the best possible service to our clients, including a quick and easy quoting process. To get a quote, simply fill in your project details and requirements in our online form and we will get back to you with a personalized quote as soon as possible.
2. What payment methods do you accept?
We understand that each customer has unique preferences when it comes to payment methods, which is why we offer a variety of options. We accept all major credit cards, PayPal, bank transfers and more, ensuring you can pay in the method that works best for you.
3. How can I be sure of your service quality?
We pride ourselves on our commitment to providing high quality service to all of our clients. To ensure the best possible results, we work with a team of experienced professionals who use the latest tools and techniques to deliver the highest quality results. Plus, we offer a Satisfaction Guarantee for peace of mind knowing you can trust our service.
4. What is your order delivery time?
We understand that time is of the essence when it comes to your projects, which is why we strive to deliver all orders as quickly and efficiently as possible. Our delivery times vary according to the size and complexity of the project, but we always strive to meet your deadlines and exceed your expectations.
5. Can I modify the order after placing it?
Yes, we understand that changes or modifications are sometimes required and we are happy to accommodate them where possible. If you need to modify your order in any way, simply contact us to discuss the changes and we will do our best to make them happen.
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