Product Details

API standard spring double bow centralizer for oilfield casing

Product Description

1 the double bow spring centralizer brief introduction

YDFJ series bow spring casing centralizer, all for stamping structure, no welding defects.

Aa a replacement for the old welding type centralizer,the new structureis simple,safe and reliable,high strength,good elasticity,convenient in application etc.

Can be widely used in vertical Wells or highdeviated Wells with casing,all the small starting force and large restoring force meet to API standerd.

2,Main structure and technical parameters

Specification	Numbers of parts	OD(mm)	ID(mm	Length (mm)
YDFJ—41/2"×6"	4	160	116	450/575
YDFJ—4 1/2"×6 1/4"	4	167	116	450/575
YDFJ—4 1/2"×7 7/8"	4	210	116	450/575
YDFJ—4 1/2"×8 1/2"	4	230	116	450/575
YDFJ—5"×6"	4	160	128	450/540
YDFJ—5"×6 3/4"	4	180	128	450/575
YDFJ—5"×7 7/8"	4	210	128	450/575
YDFJ—5 1/2"×7 7/8"	5	210	140	450/575
YDFJ—5 1/2"×8 1/2"	5	216/245	140	450/575
YDFJ—5 1/2"×8 3/4"	5	222/250	140	450/575
YDFJ—5 1/2"×9 7/8"	5	251/264	140	450/575
YDFJ—51/2"×91/2"	5	242/264	140	450/575
YDFJ—7"×8 1/2"	6	216/230	179	450/575
YDFJ—7"×8 3/4"	6	222/233	179	450/575
YDFJ—7"×9 1/2"	6	242/264	179	450/575
YDFJ—7"×9 7/8"	6	251/264	179	550/650
YDFJ—9 5/8"×12 1/4"	8	346	245	550/650
YDFJ—9 5/8"×13 3/8"	8	346/352	245	550/650
YDFJ—9 5/8"×12 13/16"	8	378	245	550/650
YDFJ—10 3/4"×15 1/2"	9	405	275	550/650
YDFJ—φ273.05×φ374	9	374	275	550/650
YDFJ—13 3/8"×17 1/2"	10	440/446	342	550/650
YDFJ—13 5/8"×17 1/2"	11	440/466	342	550/650
YDFJ—20"×26"	17	696	510	550/610/650

Yuanda double bow spring centralizer products show

bow spring centralzer feature:

1. Our non-welded bow spring casing centralizer is made of spring steel which has been heat teated and hardened tempered to ensure proper and consistent spring characteristics.

2.End collar hinges are folded toward inside. This way will minimize the collar stretch tendsthatto happenwhen centralizers encounter tapers, commonly found in certain type of pipe connections.

3.A reinforcing rib stamped into the end collar. This way will strengthen and preserve it's round configuration during transport.

4.Several different spring bow heights that are available to accommodate most of casing-to

-hole configuration.

5.Centralizers with built-in stop devices as well as those of uncommon sizes are available based on request

Our Services

All products purchased in our company are guaranteed to keep in good repair for one year. If quality problems happen in guarantee period, our company will maintain for free. Additionally, our company provides technical support and fittings for life. After-sales service isn't restricted by time and we wll assign technical personnel to solve your problems immediately after receiving telephone and hear feedback idea of users and deal with them in time.

Packaging & Shipping

Company Information

Dezhou Yuanda Petroleum Machinery Co., Ltd. is a very famous high tech enterprise in Dezhou of China that

sets oil mechanical product design,development,production,sales and sevice as a whole,and registered capital of 20 million yuan. It is located in Dezhou City, Shandong Province, which covers an area of 78,000 square meters. We have the luxurious office building and two large production plants which cover 9,000 square meters , as well as the acquisition of the advanced production equipment with a total investment of more than 30 million in fixed assets element. Now it employs 128 people, including 38 engineers and technicians, and 86 secondary education workers. At present, we has passed ISO9001 quality system certification of DNV, ISO14001, OHSAS18001 certification.