According to the different bearing series and sizes, there are two different designs. The seal ring is made of stamping steel, usually with a cylindrical extension at the inner diameter of the sealing ring, forming a long sealing gap with the inner ring shoulder. Some seals do not extend.
Bearing with low friction seal ring: the suffix is RSL, 2RSL or RZ, 2RZ, according to different bearing series and size, it also has different structural design.A very narrow gap to form a cylindrical surface or the inner concave contour of the sealing ring and the inner ring shoulder, is actually not contact, therefore, a low friction bearing seal and bearing with Z can run the dustproof cover at the same speed, but its better sealing performance.
Bearing with contact seal ring, the suffix is RSH, 2RSH or RS1, 2RS1 Sealed Angular Contact Bearings Sealed Angular Contact Bearings,Lip Sealed Angular Contact Bearings,Durable Sealed Angular Contact Bearings,Ball Bearing For Machine Tool Spindles LUOYANG AUTO BEARING CO.,LTD , https://www.ballbearing.nl
 G single screw pump consists of suction,discharge,working part(Rotor and Stator),driving part,universal joint part seal assembly and bearing seat.The working part is composed of rotating eccentric rotor and stator.the rotor and stator have two contact points in every transverse section.These contact points from two sealing lines along the working parts of rotor(or stator).Thus comes into one or a few sealing chambers when the rotor rotating.The media entering the sealing chamber remove smoothly from suction end to discharge end along the sealing chamber.During the whole running,the pressure pulsation is very low which has no any effect upon the intrinsic construction of pumped media.
2.Pump Technical Parameters
1.Flow:0-150m3/h;
2.Head:60-120m;
3.Power:0.75-37kw;
4.Rotary speed:500-960r/min;
5.Calibre:20-135mm;
6.Temperature:-15-200°C.
3.Models Specifications for Clients Choosing(More Information Pls Contact Us)
Â
Model
Speed (r/min)
Flow (M3/h)
Pressure (Mpa)
Motor (KW)
Head (m)
Inlet (mm)
Outlet (mm)
Allowable particulate size(mm)
Allowablefibre length(mm)
G20â€1
960
0.8
0.6
0.75
60
25
25
1.5
25
G25â€1
960
2
0.6
1.5
60
32
25
2
30
G25â€2
960
2
1.2
2.2
120
32
25
2
30
G30â€1
960
5
0.6
2.2
60
50
40
2.5
35
G30â€2
960
5
1.2
3
120
50
40
2.5
35
G35â€1
960
8
0.6
3
60
65
50
3
40
G35â€2
960
8
1.2
4
120
65
50
3
40
G40â€1
960
12
0.6
4
60
80
65
3.8
45
G40â€2
960
12
1.2
5.5
120
80
65
3.8
45
G50â€1
960
20
0.6
5.5
60
100
80
5
50
G50â€2
960
20
1.2
7.5
120
100
80
5
50
G60â€1
960
30
0.6
11
60
125
100
6
60
G60â€2
960
30
1.2
15
120
125
100
6
60
G70â€1
720
45
0.6
11
60
150
125
8
70
G70â€2
720
45
1.2
18.5
120
150
125
8
70
G85â€1
720
65
0.6
15
60
150
150
10
80
G105â€1
500
100
0.6
22
60
200
200
15
110
G135â€1
400
150
0.6
37
60
250
250
20
150
4.Pump Structures
5.Spare Parts Show
6.Applications(Show From Our Clients)
7.Our Services
1. Delivery: Delivery time will be on time as the contract. Usually, our company need 25 working  days for diesel engine pump, and for bare shaft pump, it takes 15 working days,
2. Warranty:Â 12 month for the pump body, 3Â month for the main working parts.
3. Package:Â We use plywood case to pack our pump, which is durable for ocean transport.
4. On-sales Service:Â we will clear show you everything in fact when you place an order with us. We will take photos or videos to show you our production situation, and report the production situation to you.
5. Quality:Â we will test our pump before delivery, and we will follow up the pump working conditions per three months when the pump put into use. If you need spare parts, we can send to you in 1Â or 2Â weeks.
8.Our Factory
Welcome to visit our factory!
All My Striving,For Your Satisfaction.
*********************************************************************************************
Head Office: Wenzhou DEFU Machinery Co.,Ltd
Subsidiary Factory Name:Shanghai Y&L Pump Co.,Ltd
Mobile :+86 -18042130095Â Â Â Fax:Â +86-577-86553150
WebSite:www.defupump.com
Â
1.Product Description
 G single screw pump consists of suction,discharge,working part(Rotor and Stator),driving part,universal joint part seal assembly and bearing seat.The working part is composed of rotating eccentric rotor and stator.the rotor and stator have two contact points in every transverse section.These contact points from two sealing lines along the working parts of rotor(or stator).Thus comes into one or a few sealing chambers when the rotor rotating.The media entering the sealing chamber remove smoothly from suction end to discharge end along the sealing chamber.During the whole running,the pressure pulsation is very low which has no any effect upon the intrinsic construction of pumped media.
2.Pump Technical Parameters
1.Flow:0-150m3/h;
2.Head:60-120m;
3.Power:0.75-37kw;
4.Rotary speed:500-960r/min;
5.Calibre:20-135mm;
6.Temperature:-15-200°C.
3.Models Specifications for Clients Choosing(More Information Pls Contact Us)
Â
Model
Speed (r/min)
Flow (M3/h)
Pressure (Mpa)
Motor (KW)
Head (m)
Inlet (mm)
Outlet (mm)
Allowable particulate size(mm)
Allowablefibre length(mm)
G20â€1
960
0.8
0.6
0.75
60
25
25
1.5
25
G25â€1
960
2
0.6
1.5
60
32
25
2
30
G25â€2
960
2
1.2
2.2
120
32
25
2
30
G30â€1
960
5
0.6
2.2
60
50
40
2.5
35
G30â€2
960
5
1.2
3
120
50
40
2.5
35
G35â€1
960
8
0.6
3
60
65
50
3
40
G35â€2
960
8
1.2
4
120
65
50
3
40
G40â€1
960
12
0.6
4
60
80
65
3.8
45
G40â€2
960
12
1.2
5.5
120
80
65
3.8
45
G50â€1
960
20
0.6
5.5
60
100
80
5
50
G50â€2
960
20
1.2
7.5
120
100
80
5
50
G60â€1
960
30
0.6
11
60
125
100
6
60
G60â€2
960
30
1.2
15
120
125
100
6
60
G70â€1
720
45
0.6
11
60
150
125
8
70
G70â€2
720
45
1.2
18.5
120
150
125
8
70
G85â€1
720
65
0.6
15
60
150
150
10
80
G105â€1
500
100
More applications in ceramic ball bearings
Portable High Viscosity Mortar Plaster Mono Screw Pump
Model NO.: G
Voltage: 220V/380V/400V/415V/460V
Material: Cast Iron/SS304/SS316
Motor: 100% Copper Wire
Usages: High Viscosity Medium
Warranty: One Year
Working Temperature: Below 200 Deg.C
Trademark: DEFU
Transport Package: Exporting Plywood Case
Specification: CE, ISO
Origin: China
Model NO.: G
Voltage: 220V/380V/400V/415V/460V
Material: Cast Iron/SS304/SS316
Motor: 100% Copper Wire
Usages: High Viscosity Medium
Warranty: One Year
Working Temperature: Below 200 Deg.C
Trademark: DEFU
Transport Package: Exporting Plywood Case
Specification: CE, ISO
Origin: China
1.Product Description