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Type ST Armstrong Series Pump 4300 John Crane Mechanical Seal for Effective Fluid Containment

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59U Pump John Crane Seal

59U Pump John Crane Seal

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Type ST Armstrong Series Pump 4300 John Crane Mechanical Seal for Effective Fluid Containment

Type ST Armstrong Series Pump 4300 John Crane Mechanical Seal for Effective Fluid Containment
Type ST Armstrong Series Pump 4300 John Crane Mechanical Seal for Effective Fluid Containment Type ST Armstrong Series Pump 4300 John Crane Mechanical Seal for Effective Fluid Containment Type ST Armstrong Series Pump 4300 John Crane Mechanical Seal for Effective Fluid Containment

Large Image :  Type ST Armstrong Series Pump 4300 John Crane Mechanical Seal for Effective Fluid Containment

Product Details:
Place of Origin: Guangzhou, China
Brand Name: YUE MI
Certification: ISO SGS
Model Number: ST
Payment & Shipping Terms:
Minimum Order Quantity: 10/PCS
Price: consult
Packaging Details: Details Carton
Delivery Time: 5-8 work days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 500/Set/Month
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Type ST Armstrong Series Pump 4300 John Crane Mechanical Seal for Effective Fluid Containment

Description
Dimensions: Depend Your Model Speedlimit: ≤10m/s
Elatomer: NBR, EPDM, Viton Transport Package: YUEMI Standard Or Customised
Model No: ST Product Type: Armstrong Pump Seal

Type ST Armstrong Series Pump 4300 John Crane Mechanical Seal for Effective Fluid Containment 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

d(inch) d(mm) D1 D3 L1 L2 L3
YM ST-1-1/8 28.575 59.40 47.60 25.30 25.60 15.90
YM ST-1-5/8 41.275 71.80 62.00 25.30 29.50 15.90
YM ST-2-1/8 53.975 84.60 79.40 25.30 29.30 15.90
YM ST-2-5/8 66.675 111.0 88.90 25.30 41.30 15.90

 

 

 

 

Product Description

Parameter Value/Description Unit/Note  
Model YM-ST Standard Temperature (ST) or Special Type mechanical seal  
Seal Type Single-Spring Unbalanced Seal Cost-effective for general industrial applications  
Face Materials - Rotating: Carbon Graphite
- Stationary: Silicon Carbide (SiC)		 Graphite/SiC pairing for moderate wear resistance  
Housing Material Stainless Steel 304 (Standard)
- 316L (Optional)		 316L for corrosion resistance in chemical environments  
Pressure Range10 1.2 MPa Suitable for low-to-medium pressure pumps (e.g., water, oil)
Shaft Diameter Range 20 mm - 60 mm Common shaft sizes in pumps and mixers  
Maximum Rotational Speed 2900 RPM Matches standard motor speeds (50 Hz)
Temperature Range -20°C ~ 140°C Elastomer: NBR (standard); FKM up to 180°C (optional)  
Leakage Rate ≤10 m/s Meets ISO 21049 standards for non-critical services
Media Compatibility - Water, Mineral Oils, Aliphatic Hydrocarbons Not recommended for strong acids, alkalis, or solvents  
Installation Type Insertion-Mounted (Simple Axial Fit) Requires basic alignment; suitable for field repairs  
Elastomer Material NBR (Standard)
- FKM (For High-Temp/Chemicals)		 NBR: pH 6-8 compatibility; FKM: pH 0-14  
Standards Compliance ISO 21049, RoHS Certified for environmental and safety requirements  
Key Features - Anti-Rotation Pin
- Pre-Lubricated Faces
- Economical Spare Parts		 Simplified maintenance; ideal for non-critical processes  

 

Tag:

mechanical face seals,

centrifugal pump mechanical seal,

mechanical seal pump

Contact Details
YUEMI

Contact Person: ZENG

Tel: +8617620005542

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