Fosv Full Open Safety Valve, Tiw Safety valve

• After-sales Service: Online Services
• Warranty: One Year
• Manufacturing Process: Forging
• Surface Treatment: Spray-Paint
• Operation Pressure: API
• Material: Alloy
• Model NO.: QK79-190
• Pressure: 10000psi
• Connection: Nc, Eue, Xt, Nu, etc.
• Length: 560-1173mm
• Size: 105mm~190mm
• Transport Package: Wooden Case
• Specification: 105mm~190mm
• Trademark: JX petro
• Origin: China
• HS Code: 84314310
• Production Capacity: 10000PCS/Year

Product Description

FOSV Full Open Safety Valve, TIW Safety Valve

Product Description

Full opening safety valve is a hand control valve in drill string circulating system, and it is one of the effective tools to prevent blowout. In the drilling operation, in order to avoid malignant accidents, full opening safety valve shall be connected between drill pipes in drilling process. The special wrench of full opening safety valve may rotate 90 °according instruction to switch on and off. In well repair operation, whether need to lift the drill pipe or not, it is best to install opening safety valve as prevention.

Full Opening Safety valve (FOSV) is a ball type safety valve used to stop flow through the drill string when the drill string is being withdrawn from the well. 

 

FOSV is a dual body full-opening safety valve, that does not interfere with the running of tools such as core barrels or survey instruments. It is designed to be stabbed into the top joint of drill pipe or tubing string at the rig floor and closed quickly in case a well kicks.

 

The ball-type design permits the valve to be compact, easy to handle, and have great strength. Standard test pressure is 10,000 psi, but higher pressure ratings are available.

FOSV and operating wrench be should be maintained on the rig floor at all times.

 

When ordering please specify:

• Connection.
• O.D. and I.D.

 

Detailed Photos

 

Product Parameters

Type	exradius	inradius	Connecting thread	working pressure
	OD	d	API	MPa
	inch(mm)	inch(mm)
QK79	3-1/9(79)	4/5(20)	2-7/8HT PAC	35-70
QK89	3-1/2(89)	1-3/16(30)	NC26
QK111	4-3/8(111)	1-37/64(40)	NC31
QK121	4-3/4(121)	1-31/32(50)	NC38
QK127	5(127)
QK133	5-1/4(133)	2-11/25(62)	NC40
QK159	6-1/4(159)	2-4/5(71)	NC46
QK165	6-1/2(165)	2-13/16(71.4)	NC50
QK168	6-5/8(168)
QK190	7-1/2(190)	3(76.2)	5-1/2FH

Company Profile

FAQ

1) How can I place an order?

A: You can contact us by email about your order details, or place an order online.

2) How can I pay you? 

A: After you confirm our PI, we will request you to pay. T/T and Western Union are the most usual ways we are used. 

3) What's the order procedure?

A: First we discuss order details and production details by email or TM. Then we issue you a PI for your confirmation. You will be requested to do a prepaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 15-25days if we don't have the items in stock. Before production has finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you. 

4)How do you take care when your clients received defective products?

A: replacement. If there are some defective items, we usually credit them to our customer or replace them in the next shipment. 

5)How do you check all the goods in the production line?

A: We have spot inspection and finished product inspection. We check the goods when they go into the next step production procedure.