Audited Supplier
(1)Features
For plain shafts
Single seal
Unbalanced
Conical spring rotating
Dependent on direction of rotation
(2) Advantages
Economical seal solution
No damanger of the shaft by set screws
Short instanllation length possible(G16)
(3)Operating rang (see note on page 1)
Shaft diameter: d1=6...38mm(0.25"...1.5")
Pressure: P1=10 bar (145PSI)
Temperatrue: t=-20ºC...+140ºC ( -4ºF...+355ºF)
Sliding velocity:vg=15m/s(50ft/s)
Axidl monement: ±1.0mm
(4)Materials
Seal face:Carbon graphite resin impregnated (B)
Seat G9:Silicon carbide (Q1,Q2)
Special cast CrMo steel (S),Aluminum oxide (V)
(5) Standards and approvals
EN 12756
(6)Recommended applications
Water and waste water technology
Buliding services engineering
Water pumps
Heating circulation pumps
(7)Item Part no.to DIN 24250 Description
1.1 472 Seal face
1.2 412.1 O-Ring
1.3 474 Thrust ring
1.4 478 Righthand spring
1.4 479 Lefthand spring
2 475 Seat (G9)
3 412.2 O-Ring
(8)Product xariants
M2
Rotating unit M2 with seat G4
or G16 (shorter installation length)
Seal face: Carbon graphite resin impregnated (B)
Seat G4: Silicon carbide (Q1),
Special cast CrMo steel (S)
Seat G16: Silicon carbide (Q1, Q2),
Special cast CrMo steel (S), Aluminium oxide (V)
M2N4
Rotating unit M2 with seat G6
Seal face: Carbon graphite resin impregnated (B)
Seat G6: Silicon carbide (Q1),
Special cast CrMo steel (S)
| d1 | d3 | d6 | d7 | d8 | d11 | d12 | db | L1N | L31) | L5 | L6 | L7 | L8 | L10 | L12 | L14 | L15 | L16 | L18 | L19 | L21(1) | L28 | b | R |
| 6 | 15.0 | _ | _ | _ | 11.8 | 16.0 | 8.0 | _ | _ | _ | _ | _ | _ | _ | 6.5 | 5.6 | 1.2 | 3.8 | _ | _ | 10.9 | _ | _ | 1.2 |
| 8 | 18.0 | _ | _ | _ | 15.5 | 19.2 | 11.0 | _ | _ | _ | _ | _ | _ | _ | 8.0 | 7.0 | 1.2 | 3.8 | _ | _ | 15.5 | _ | _ | 1.2 |
| 10 | 20.0 | 17.0 | 21.0 | 3.0 | 15.5 | 19.2 | 13.0 | 40.0 | 17.5 | 1.5 | 4.0 | 8.5 | 17.5 | 7.5 | 7.5 | 6.6 | 1.2 | 3.8 | _ | _ | 15.9 | 6.6 | 8.0 | 1.2 |
| 12 | 22.0 | 19.0 | 23.0 | 3.0 | 17.5 | 21.6 | 16.0 | 40.0 | 17.5 | 1.5 | 4.0 | 8.5 | 17.5 | 7.5 | 8.0 | 7.0 | 1.2 | 3.8 | _ | _ | 16.0 | 6.6 | 8.0 | 1.2 |
| 14 | 25.0 | 21.0 | 25.0 | 3.0 | 20.5 | 24.6 | 18.0 | 40.0 | 17.5 | 1.5 | 4.0 | 8.5 | 17.5 | 7.5 | 8.0 | 7.0 | 1.2 | 3.8 | _ | _ | 16.0 | 6.6 | 8.0 | 1.2 |
| 15 | 27.0 | _ | _ | _ | 20.5 | 24.6 | 19.0 | _ | _ | _ | _ | _ | _ | _ | 7.5 | 6.6 | 1.2 | 3.8 | _ | _ | 17.4 | _ | _ | 1.2 |
| 16 | 27.0 | 23.0 | 27.0 | 3.0 | 22.0 | 28.0 | 21.0 | 40.0 | 19.5 | 1.5 | 4.0 | 8.5 | 17.5 | 7.5 | 8.5 | 7.5 | 1.5 | 5.0 | _ | _ | 19.0 | 6.6 | 8.0 | 1.5 |
| 18 | 30.0 | 27.0 | 33.0 | 3.0 | 24.0 | 30.0 | 23.0 | 45.0 | 20.5 | 2.0 | 5.0 | 9.0 | 19.5 | 8.5 | 9.0 | 8.0 | 1.5 | 5.0 | 15.0 | 7.0 | 20.5 | 7.5 | 8.0 | 1.5 |
| 20 | 32.0 | 29.0 | 35.0 | 3.0 | 29.5 | 35.0 | 26.0 | 45.0 | 22.0 | 2.0 | 5.0 | 9.0 | 19.5 | 8.5 | 8.5 | 7.5 | 1.5 | 5.0 | 15.0 | 7.0 | 22.0 | 7.5 | 8.0 | 1.5 |
| 22 | 35.0 | 31.0 | 37.0 | 3.0 | 29.5 | 35.0 | 28.0 | 45.0 | 23.5 | 2.0 | 5.0 | 9.0 | 19.5 | 8.5 | 8.5 | 7.5 | 1.5 | 5.0 | 15.0 | 7.0 | 23.5 | 7.5 | 8.0 | 1.5 |
| 24 | 38.0 | 33.0 | 39.0 | 3.0 | 32.0 | 38.0 | 30.0 | 50.0 | 25.0 | 2.0 | 5.0 | 9.0 | 19.5 | 8.5 | 8.5 | 7.5 | 1.5 | 5.0 | 15.0 | 7.0 | 25.0 | 7.5 | 8.0 | 1.5 |
| 25 | 40.0 | 34.0 | 40.0 | _ | 32.0 | 38.0 | 31.0 | 50.0 | 26.5 | 2.0 | 5.0 | 9.0 | 19.5 | 8.5 | 8.5 | 7.5 | 1.5 | 5.0 | 15.0 | 7.0 | 26.5 | 7.5 | 8.0 | 1.5 |
| 26 | 41.0 | _ | _ | _ | 34.0 | 40.0 | 32.0 | _ | _ | _ | _ | _ | _ | _ | 9.0 | 8.0 | 1.5 | 5.0 | _ | _ | 26.5 | _ | _ | 1.5 |
| 28 | 43.0 | 37.0 | 43.0 | 3.0 | 36.0 | 42.0 | 35.0 | 50.0 | 26.5 | 2.0 | 5.0 | 9.0 | 19.5 | 8.5 | 10.0 | 9.0 | 1.5 | 5.0 | 15.0 | 7.0 | 26.5 | 7.5 | 8.0 | 1.5 |
| 30 | 47.0 | _ | _ | _ | 39.2 | 45.0 | 37.0 | _ | _ | _ | _ | _ | _ | _ | 11.5 | 10.5 | 1.5 | 5.0 | 15.0 | 7.0 | 25.0 | _ | _ | 1.5 |
| 32 | 48.0 | _ | _ | _ | 42.2 | 48.0 | 39.0 | _ | _ | _ | _ | _ | _ | _ | 13.0 | 10.5 | 1.5 | 5.0 | 15.0 | 7.0 | 28.5 | _ | _ | 1.5 |
| 35 | 53.0 | _ | _ | _ | 46.2 | 52.0 | 43.0 | _ | _ | _ | _ | _ | _ | _ | 13.5 | 11.0 | 1.5 | 5.0 | 15.0 | 7.0 | 28.5 | _ | _ | 1.5 |
| 38 | 56.0 | _ | _ | _ | 49.2 | 55.0 | 47.0 | _ | _ | _ | _ | _ | _ | _ | 13.0 | 10.3 | 1.5 | 5.0 | 16.0 | 8.0 | 32.0 | _ | _ | 1.5 |
2) L3 valid for M2N, L21 valid for M2.
We have large stock, so our delivery is very fast.
For example,if products are standarded, the delivery time is one week.
Our company and factory addrss: Ningbo City, Zhejiang Province,China.
Our city has a large port and an airport, so its transportation is very convenient.
Question1: What are the prices of your products?
Answer: For each model, the unit price is listed on the website, but what is displayed on the website is only the average market price. For specific models, you can contact us for further consultation and negotiation.
Question 2: Are you a factory or a trade company?
Answer: We are a factory with top sales for the trade service.
Question 3: What is the minimum order quantity for each order?
Answer: For products of regular models, the minimum order quantity is at least five. We welcome you to test the quality of our products and services through placing trial orders. Looking forward to the long-term cooperation with you.
Question4: What is your company's service tenet?
Answer: Quality first, service upmost. We promises that if there is any problem with the quality of the product, or if the product is damaged during the transportation, our company will be responsible for compensation, regardless of the ordder turnover value.
Question5: Can I try to get a SAMPLE before the order?
Answer: Sure. Our company will provide you with samples for free, but you will have to pay for the international delivery (freight collect payment).
