Customized Cartridge Mechanical Seals Esm for Chemical Pumps

Customization:	Available
Structure:	Single End
Pressure:	Medium Pressure Mechanical Seals

Overview & Basic Info

Model NO.

ESM

Speed

General Speed Mechanical Seal

Temperature

Temperature Mechanical Seal

Performance

High Pressure

Standard

Balance

Balanced

Style

Mechanical Seal

Features

Multi-Spring Design, Reliable Drive, Modular Design

Product Description

ESM: Economically Efficient Single Seal Solution for Centrifugal Pumps

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Operation Parameters:
• Temperature: -20 ~ 180ºC
• Pressure: 0-20Bar
• Linear Speed: up to 20m/s
• Sealing product: Acid, alkaline, low percentage of pulp, water, oil and other similar media.

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Materials:
• Seal face: SSiC/TC/CARBON
• Rubber: EPDM / FKM / Aflas / Kalrez
• Springs: ALLOY276
• Metal Parts: 316SS / DUPLEX / ALLOY276 / 904L

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Key Features:
• Rotating and balanced design.
• Modular design, universal compatible parts, reduced production cost.
• Spring loading protect from liquid, longer seal lifetime.
• Drive screws clamp directly on to shaft or sleeve to minimize drive loss.
• Standard 4 bolts gland designed for ISO 2858 pump.

Component Specifications

NO	Description	Material	NO	Description	Material
1	O-Ring	EPR/FKM/Aflas	8	Gland	316SS
2	O-Ring	EPR/FKM/Aflas	9	Clamp Ring	316SS
3	Shaft Sleeve	316SS	10	Drive Screw	316SS
4	Spring	Alloy 276	11	Anti-tamper Screw	316SS
5	Rotary Face	Carbon/SSIC/TC	12	Setting Clip	Brass
6	Stationary Face	SSIC/TC	13	Clip Screw	316SS

Pressure Performance

Product Application

Ideal for petrochemical, pharmaceutical, smelting, paper making, marine and food industries.

Production Excellence

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Smart Factory Capabilities:
• Seamless cloud to machine programming eliminating manual errors.
• Real time equipment diagnostics with predictive maintenance alerts.
• 97.2% equipment uptime and <0.01mm machining tolerance.

Frequently Asked Questions

Are you a factory or a trade company?

We are a factory with more than 18 years of industrial experience specializing in mechanical seal manufacturing.

What products do you specialize in?

We design and manufacture Mechanical Seals and Sealing Support Systems, including reactor seals, pump seals, seal flush plans (API Plan series), and gas seal control systems.

Do your products meet international standards?

Yes! Our seals comply with ISO 21049 (API 682) and EN 12756 standards. We are ISO 9001 certified and API Q1 certified.

Can you customize seals for unique conditions?

Absolutely. We provide tailored engineering solutions based on your specific operating parameters (pressure, temperature, medium, RPM, etc.).

How do you ensure product quality?

We implement strict quality control through premium material selection, CNC precision machining, and rigorous testing including helium leak and dynamic balance tests.

What is the standard lead time?

Standard products typically take 7-15 days, while custom solutions range from 3-6 weeks depending on complexity.