Johnson Wedge Wire Stainless Steel 316l Perforated Screen Pipe

Johnson wedge wire stainless steel 316l perforated screen pipe

 

 

 

 

About Huadong :

 

Huadong Screen Co., LTD is a manufacturer and exporter of water well screen and Johnson screen in China. We offer a wide variety well screens, such as water well screen, bridge slot screen, Johnson well screen, wedge wire well screen, etc. We have been in line of water well screen for nearly 20 years.

 

Water well screen/Johnson screen:

 

Water Well Screens consist of V-shape profile wire and the longitudinal support rods. Each intersecting point of these wires is fusion welded, so Water Well Screens has sturdy constriction and good mechanical property. The V-shape section plane can avoid blockage and make sure of the unimpeded water. The consecutive slot have more open area, and it can reduce the speed of the water entering to avoid the sand entering the Water Well Screens under the great pressure, so it can filter sand better. Meanwhile, the slot of Water Well Screens can change according to the real condition of the earth.

Technical Parameters :

 

Screen Size		Inside Diameter		Outside Diameter		OD of Female Threaded End
In	mm	In	mm	In	mm	In	mm
2	51	2	51	2 5/8	67	2 3/4	70
3	76	3	76	3 5/8	92	3 3/4	95
4	102	4	102	4 5/8	117	4 3/4	121
5	127	5	127	5 5/8	143	5 3/4	146
6	152	6	152	6 5/8	168	7	178
8	203	8	203	8 5/8	219	9 1/4	235
10	254	10	254	10 3/4	273	11 3/8	289
12	305	12	305	12 3/4	324	13 3/8	340
14	356	13 1/8	333	14	356	---	---
16	406	15	381	16	406	---	---
20	508	18 3/4	476	20	508	---	---

Advantage :

 

1. A continuous slot opening which significantly increases the available open area, thus providing greater access to the water bearing zone

2. A V-shaped profile wire which avoids clogging and ensures an uninterrupted flow.

3. A uniform and efficient well development due to the continuous slot opening.

4. Ladder-like wire welded screens have a strong structure and high open area, as well as accurate slot dimension.

5. Ladder-like wire welded screens have the features of easy backwashing, last long, safety and reliability as well as low comprehensive cost.

 

Packing Details:

 

Single with bubble bag and then in wooden case(fumigation certificate). Each case is clearly marked with: 1.Name & identification mark of manufacturer-HuaDong Brand 2. Batch number 3. Date of manufacturer 4. Material 5. Safe heating & application temperature

 

 

 

 

 

Open area calculations

 

 

 

To calculate the open area of a certain screen, use the simple formula provided

 

 

 

Open Area (%) = Slot Size * 100

 

 

 

Slot size + Wire width

Application:

 

 

 

1.Architects specify johnson screen for column and wall covers and various decorative appplications;

 

2.Different kinds and specification of screens are used in moter-pumbed wells and geothermal wells;

 

3. Johnson screen are used on food processors;

 

4.pulp and paper plants;

 

5.Mineral procesors,refiners,waster water treatment and water supply systems

 

 

 

MOQ	100 meters
Port of Shipment	Tianjin / Qingdao /Shanghai port
Delivery time	Within 10~15 working days after payment
Packing	Each pipe is packaged with bubble and woven bags to avoid damage.
Payment Terms	L/C,D/P,T/T,

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