Does TF Seals make direct replacements for John Crane mechanical seals?

Yes. TF Seals manufactures dimensionally interchangeable equivalents for John Crane component and cartridge seals, including the 2100, Type 1, Type 2, Type 21, 502, 521 and 5610/5611 series. Replacements fit the same seal chamber envelope with no equipment modification, and face and elastomer materials can be matched or upgraded. Use our cross-reference chart to find the TF Seals equivalent for your part number.

What is the TF Seals equivalent for a Chesterton or Garlock compression packing?

TF Seals publishes a compression packing cross reference covering Chesterton, Garlock, SEPCO, American Braiding, American Packing, Chemstar, Crane, Industrial Packing, JM, Palmetto, Green Tweed, Phelps, RM, Slade, Teadit and Utex. Locate your current part number in the chart and read across to the TF Seals column for the direct equivalent.

Can TF Seals repair mechanical seals made by other manufacturers?

Yes. Our Houston-area repair facility refurbishes virtually any mechanical seal on the market regardless of original manufacturer, typically restoring performance at up to 50% of replacement cost with fast turnaround to minimise downtime.

Are TF Seals products built to API 682 and ANSI standards?

Yes. TF Seals designs and manufactures cartridge seals to API 682, ANSI B73.1, ISO and DIN equipment standards, and offers Plan 52/53A barrier fluid systems compliant with API 682 / ISO 21049. NSF/ANSI/CAN 61 certified lines are available for potable water service.

Where is TF Seals located and what areas do you serve?

TF Seals Manufacturing & Supplies, LLC operates from 21247 FM 529, Cypress Texas 77433, in the Houston metro area, serving customers across the United States. Contact sales at 1.713.568.5547 or sales@TFSealsUSA.com.

How do I select the right mechanical seal for my pump?

Selection depends on shaft or sleeve diameter, seal chamber bore and depth, operating pressure and temperature, shaft speed, and the fluid being sealed including pH, solids content and specific gravity. Submit these details on the TF Seals Mechanical Seal Application Data Form and our engineers will recommend a suitable seal and material set.

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2026.05.05

NSF/ANSI/CAN 61 Certified Seals for Potable Water: PZ46, PZ47 & SP01

For municipal water, drinking water pumping, and water treatment systems, safety, compliance, and uptime are non-negotiable. TF Seals is proud to offer three industry-trusted mechanical seals fully certified to NSF/ANSI/CAN 61 — meeting North America's strictest standards for drinking water contact, with zero harmful leachable and full regulatory confidence. All three models are third-party certified, lead-safe, and engineered to protect public water quality while delivering long service life and dependable performance.

PZ46 Cartridge Seal

Comprehensive, cost-effective sealing solution for industrial liquid applications on ANSI/DIN, close-coupled, and vertical pumps.

PZ47 Cartridge Seal

Reversible, non-clogging, and engineered for greater durability. Optimized seal face and external wave spring resist debris across a wide range of standard seal chambers.

SP01 Split Seal

Installs without disassembling the pump or removing the motor, slashing maintenance hours — designed for large shafts and hard-to-access installations.

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