Olifield Drill Pipe Float Valve / Model F and Model G Float Valve
Cangzhou Lockheed Drilling Equipment Parts Co., Ltd. is a professional manufacturer of drilling equipments and tools which is located in Hejian City, the centre of the triangle of Beijing, Tianjin and Shijiazhuang, enjoying convenient transportation.
Our products Including below three series with full model types:
Drilling Bit: rock roller bit,tricone bit,pdc drill bit,single bit,cone bit and hole opener;
Drilling Equipment Parts: manual tong,elevator,slips,stabilizer;
Workover Fishing Tools: releasing spear,junk basket, overshot,reversing sub,die collar, fishing tap etc.
Our staff are professional and experienced. By the hard efforts and united cooperation, we have established a wide sale network. Striving for excellent quality, better price and perfect service. Welcome new and old customers to order.
2.Competitive price
3.High quality
4.The best service
Float Valve
Float Valve Sub is an important tool in petroleum exploration and drilling engineering. The float valve sub is
connected at upper part of drill bit, the float valve assembly in sub is near the bit connecting thread and the
float valve sub also can be necessary position of drill string. The main application is,when connect with single piece pipe, to prevent mud coming in, mud up returning and blocking hole. When blowout takes place,blowout
in drill string will be avoided because nozzle is closed automatically by valve cap for float valve assembly .
Float valve subs are avaiable in two models:
VALVES MODEL "F" PLUNGER TYPE
VALVES MODEL "G" FLAPPER TYPE
For a correct choice of float valves depending on API Connection, consult the following table :
Type | Dia. of Valve Assembly | Length Of Valve Assembly | Dia. Of Float Recess | Sub Box | Other Popular Connections | ||
Connection | Depth Of Recess | Connection | Depth Of Recess | ||||
1R | 42.1(1-21/32) | 149.2(5-7/8) | 42.9(1-11/16) | 2-3/8Reg. | 231.8(9-1/8) | NC23 | 231.8(9-1/8) |
2F-3R | 61.1(2-13/32) | 165.1(6-1/2) | 61.9(2-7/16) | 3-1/2Reg. | 266.7(10-1/2) | NC31 | 260.35(10-1/4) |
3-1/2 F | 79.4(3-1/8) | 254(10) | 80.2(3-5/32) | NC38 | 362.0(14-1/4) | ||
4R | 88.1(3-15/32) | 211.1(8-5/16) | 88.9(3-1/2) | 4-1/2Reg. | 325.4(12-13/16) | NC44 | 331.8(13-1/16) |
5R | 98.4(3-7/8) | 247..7(9-3/4) | 99.2(3-29/32) | 5-1/2Reg. | 374.7(14-3/4) | NC50 | 368.3(14-1/2) |
5F-6R | 121.4(4-25/32) | 298.5(11-3/4) | 122.2(4-13/16) | 6-5/8Reg.. | 431(17) | 5-1/2IF | 431.8(17) |
Specifications of float valve Sub
Type | O.D.(mm) | Bearing Back Pressure | Connection | Drill Pipe (in) |
ZFF127 | φ127 | 35MPa 70MPa | NC38×NC38 | 5″ |
ZFF159 | φ159 | 35MPa 70MPa | NC46×NC46 | 6 1/4″ |
ZFF165 | φ165 | 35MPa 70MPa | NC50×NC50 | 6 1/2″ |
ZFF178 | φ178 | 35MPa 70MPa | NC50×NC50 | 7″ |
ZFF203 | φ203 | 35MPa 70MPa | 6 5/8REG×6 5/8REG | 7″ |
ZFF228.6 | φ228.6 | 35MPa 70MPa | 7 5/8REG×7 5/8REG | 9″ |
ZFF241 | φ241 | 35MPa 70MPa | 7 5/8REG×7 5/8REG | 9 1/2″ |
float valve :
Some other oil drilling tools we also supply
Sincerely hope to cooperate with you.
Packing: Wooden case or as clients' request.
Shipping: By sea or by air for exporting goods.
1. How to order the products?
Answer:
Send the inquiry with detail item description or with Model number.
If there is no packing demand we take it as sea-way packing.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.
2. About lead time and shipping time?
Answer :
The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement.
According the distance from china to your port, usually from China to European about 25 days. To West of American 20 days.
3.Can I expect a quality products?
Answer :
Yes. All our activities are accredited to ISO 9001:2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.
Pls do not forget to add below information in your inquiry which will help us to give you the exact quotation at the first time:
1) Float valve type (Model F or Model G);
2) Float valve size;
3) Connection and O.D of sub.
Welcome visit our page, any need pls feel free to contact me.
I'm Bonnie, always at your service!
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