Roscoe Moss Sahara (RMS) is an Egyptian company founded in 2008 that manufactures water well screens, casing, and accessories. RMS has the equipment to produce wire-wrapped, bridge-slotted, and continuous slot screens up to 20 inches in diameter. The company aims to meet customer needs by supplying high quality products and technical support. RMS has the capacity to produce 10,000 MossWell screens per year.

1. Roscoe Moss sahaRa
WateR Wells scReens , casing & accessoRies ManufactuRe
Company History
Roscoe Moss Sahara (RMS) is a private Egyptian company
founded in 2008 and located in 6th of October City Egypt.RMS
facility has all the equipment
required to manufacture all
types of water wells screens,
casing and accessories. Funding to capitalize RMS was
provided by Roscoe Moss Company (RMC), a Los Angeles,
California, USA based firm established in 1926.
RMC is a leading ground water development expert and has
participated in all phases of this industry. RMC’s experience includes construction
management, well design, well drilling, and well field operation and maintenance. Today, its
primary business is the manufacture and supply of water well casing and screen. Our clients are
BP - Libya, Dasco - Egypt, Assail - Libya, Elmozn – Libya and Golder - Mozambique
Roscoe Moss Sahara maintains a substantial
raw material inventory. This ensures products
are readily available for prompt delivery.
Roscoe Moss Sahara was formed to serve the
needs of this market not only by supplying products
but also providing technical information and offering
educational assistance

2. RMS capacity is 10,000 MossWell®
Screens per Year

3. Our Products
Meeting the needs of our customers is very important to us. We understand those needs and
are able to manufacture and supply steel the following products:
· Manufacturing Steel well screens (louvered, continuous wire-wrapped, or
bridge-slotted pipe)
· API stainless Steel water well casing threaded without welding
· Supplying Transmission pipe from RMC made in USA
· Seawater intakes
· Solids collection devices for storm drains USA made.
Well screen products
Size Screen Slot size range Collapse Traction End fittings type
type pressure range range
5 5/8" Wire wrap 0.15 to 1.5 mm 50 to 3000 PSI Up to 30 ton Pin/Box, or Pin/Pin
or collar or blank
6 5/8" Wire wrap 0.15 to 1.5 mm 50 to 3000 PSI Up to 20 ton Pin/Box, or Pin/Pin
or collar or blank
8 5/8" Wire wrap 0.15 to 1.5 mm 50 to 2000 PSI Up to 20 ton Pin/Box, or Pin/Pin
or collar or blank
8 5/8" Bridge slot 1 to 1.5 mm 400 to 2000 PSI Up to 20 ton Pin/Box, or Pin/Pin
or collar or blank
9 5/8" Wire wrap 0.15 to 1.5 mm 50 to 1800 PSI Up to 20 ton Pin/Box, or Pin/Pin
or collar or blank
9 5/8" Bridge slot 1 to 1.5 mm 400 to 1800 PSI Up to 20 ton Pin/Box, or Pin/Pin
or collar or blank
10 3/4" Wire wrap 0.15 to 1.5 mm 50 to 1500 PSI Up to 20 ton Pin/Box, or Pin/Pin
or collar, blank
10 3/4" Bridge slot 1 to 1.5 mm 200 to 1500 PSI Up to 20 ton Pin/Box, or Pin/Pin
or collar or blank
13 3/8" Bridge slot 1 to 1.5 mm 150 to 1200 PSI Up to 20 ton Pin/Box, or Pin/Pin
or collar or blank

4. Our Goal
Is to get the business right
first time, every time and
strive to exceed customer
expectations whenever
possible. Our quality system
conforms to the
requirements of (DIN
4935-2, ASTM and AWWA
Standers) RMS equipment list includes
Wire Shaping Machines
To shape mild steel and various
grades of stainless steel to a designed
wide range of triangle wires depending
on your well requirements to prevent
clogging and achieve better well
efficiency.
RMS entry wire ranging from 0.080'
OD up to 0.348'' OD
Straighteners
- To achieve straight rods to be used as a supports
rods to our screens.
- RMS produces Rods in different size ranging from
0.150 '' or 3.81 mm up to 0.256'' or 6.5 mm

5. Wire Wrap Machines
Roscoe Moss Sahara Can produce Mild steel,
Galvanized steel and Stainless steel continuous
slot screens in various diameters ranging Up to
20''
RMS is using special
customized welding machines to
fabricate our MossWell® Wire
Wrap Screens by wrapping a
wire around longitudinal rods.
The wire is welded to the rods The Advantages of the Continuous Slot Screen MossWell®
by resistance welding producing
a cage-shaped cylindrical • Continuous Slot Screen offers a technically superior alternative to Bridge
configuration. This type of slot screen at an attractive price.
screen, commonly known as
• Calculated and guaranteed collapse pressure ranging from 50 Psi up to
wire-wrap or continuous slot, is
3000 Psi
usually manufactured from type
304, 304L stainless steel, • Tensile strength up to 60 metric ton.
galvanized steel and carbon
steel. • Much higher opening area providing greater access to the water-bearing
zone and allows more water to enter at much lesser frictional head loss and
the efficiency of well is improved appreciably up to 50 %.
• Designed Slot size according to Sand Sieve analysis.
• Slot size can be reduced to 0.006" which is not achievable by any other
screen Type.
• V shaped profile wire, avoids clogging, is self-cleaning and ensures an
uninterrupted flow.
• Sand grains make only-two-point contact and do not wedge in the screen's

6. Our high Quality
Derives from a staff
commitment to service and
excellence. And group of
equipment designed to
achieve the highest accuracy
& quality levels in this
industry.
RMS Screens can be produced with weld rings; weld collars, flush
threaded ends, or threaded and coupled connections.

7. Landis machine, Lathe & Rolling
machine
RMS Can Produce any type of threads (API 8 round,
NPT,Buttress…etc.) for the end fittings in screens and
casing up to 13 3/8’’ OD and can fabricate casing threads
as well without making any welding connections.
RMS Rolling machine can produce sleeves and
collars in sizes ranging from 4.5’’ up to 13 3/8’’
from bars or sheets in large thickness up to 13
mm.

8. RMS team will be happy to serve you as a third party to
fabricate parts for your projects within the above
mentioned capabilaties.
Welding stations and Micro welder
RMS has the capability of using the MIG and TIG welding for stainless
steel with the help of a group of well trained certified welders to weld
our stainless steel and black steel pipes and screens in a timely
manner using Argon gas, Co₂ gas and tri-mix gas (helium , Argon and

9. RMS welding equipment includes also a Micro welder to weld precision
connections.
Different sizes saws
- To achieve the designed lengths of our
screens with a high accuracy.
150 Ton Hydraulic Press

10. - To form our different designs of the
rings and RMS has different sizes of
dies to suit our needs from fittings
and pipes ends.
- RMS engineering team could provide
you with a variety of designs to meet
your specifications.
Bridge Slot Screen
- RMS can produce Bridge Slot
screen with any kind of steel or
stainless steel pipes in Sizes
Starting from 8-5/8’’ with the
required slot size.
- RMS Bridge Slotted Screen Is the
only screen in the market which has
complete round shape screen with
no ovality as we use round pipes in
fabrication not sheets and it’s the
only Screen produced in six meter
length without welding
Pickling and Passivation tanks

11. - To submerge our products in a customized chemical
solution to get the best anti-corrosion specifications and
clear surface to our product.
- RMS provides different designs for the treatments
according to each stainless steel grade. (304 , 304L , 316,
316 L , Duplex …. etc.)