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Brand Name : | JR |
Model Number : | 551 |
Certification : | iso9001 |
Price : | Negotiated |
Payment Terms : | T/T, Western Union, L/C |
Supply Ability : | 1000PC/Month |
Delivery Time : | 20-30DAYS |
John Crane Mechanical Seal SS304 Replacement 551 Type Mechanical Shaft Seal
Operational Conditions:
Materials:
Performance Capabilities:
Pressure | Up to 25 bar | Metal Parts | SS316 |
Speed | Up to 25m/s | Seat | SiC, TC |
Face | Carbon, SiC, TC | Spring | SS316, Hastelloy C |
End play/axial float allowance | ±1.0mm | Sizes | 20mm |
Temperature | -40℃ to 220℃,dependent on the elastomer | ||
O-rings | NBR , EPDM, FEP, Kalrez, Chemraz etc. |
Type 551 Single Coil Spring Mechanical Seal for Water Pumps, Temperature Control Pumps, Vacuum Pumps and Heat-exchange Oil Pumps
Structural Features: single end, unbalanced, conical spring, dependent direction of rotation, spring transmission. This seal component has a simple structure, high compatibility and stable performance with great spring compensation.
Industrial Standards: DIN24960, ISO3069, GB6556
Scopes of Application: widely used in water pumps, temperature control pumps, vacuum pumps and heat-exchange oil pumps. Mainly used in leathering, waste water treatment, plastic, and food machinery industry. This product can be an alternative to similar products such as John Crane Type 551 or EagleBurgmann BT-RN.
We are engaged in manufacture and installation exporting and wholesaling quality range of Industrial Seal, Single Spring Seal, Balance and Unbalance Spring Seal, External Mounted Seal, PTFE Bellow External Mounted Seal, Catridge Balance Seal, Multiple Spring Balance Seal, Dry Running Reverse Balance Seal, Agitator Double Acting Unbalance Seal, Single Conical Helical Spring, Rubber Bellow Seal, Multi Spring Seal, Metal Bellow Seal, Elastomer Bellow Seal, Conical Spring Seal, Air Condition Compressor Seal, Auto Cooling Seal, Metallic Bellow Seal,
All ranges of mechanical seals for Flygt Pumps, Grundfos Pumps, Pumps, APV Pumps, Grindes Pumps, Fristam, ABS, Alleeiler, EMU, GEA
Tunchenhagen, Godwin, Hidrostal, Hilge, Johnson, Lowara, Waukesha, Vogelsang Pumps etc.
At the meantime, we could manufacture seals according to your sample or drawing, and design as your request,Customization: Changes of materials for getting other operating parameters are possible. Contact us with your requirements.
Question 1: Are you a factory or a trade company?
Answer: We are a factory and have our top sales for the trade
service.
Question 2: Can I try to get a SAMPLE before the order?
Answer: Sure. You can ask for the samples. Usually they're free.
Question 3: Where is your factory located? How can I visit there?
Answer: Our factory is located in Ningbo, China. You can fly to
Ningbo or Shanghai airport directly. All our clients, from home or
abroad, are warmly welcome to visit us!
Question 4: How does your factory do regarding quality control?
Answer: Quality is priority. We always attach great importance to
quality controlling from the very beginning to the very end. Our
factory has gained ISO9001 authentication.
Question 5: How about the lead time?
Answer: Within10-20 days after getting the prepayment.
Question 6: How can we pay?
Answer: For small sample shipping cost, you can pay either by
paypal or by T/T. And by T/T at sight for large amount of the
order.
Question 7: If OEM available?
Answer: Yes, we provide all of our products OEM /ODM service.
Question 8: If I can buy pumps or pump parts from your company?
Answer: Yes , we also provide pumps and pump parts, such as Lobe
pumps, Compound & homogeneous pumps, Homogeneous & emulsification
pumps and so on
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