Grundfos TP Shaft Seal Kit TP(D) cpl 16mm K BQQE 98313337 #4840

Grundfos TP Shaft Seal Kit TP(D) CPL 16mm K BQQE (98313337) #4840

This listing is for a genuine Grundfos mechanical shaft seal kit, product number 98313337. It is listed as a TP(D) CPL 16mm K BQQE shaft seal kit and is intended for compatible Grundfos TP / TPD pump assemblies where the seal type, shaft size and pump variant match.

Condition: supplied in as new surplus condition – the kit has not been installed or used but may show minor cosmetic markings to the packaging from storage and handling. Guarantee: supplied with a 2-year guarantee.

• Part type: mechanical shaft seal kit
• Grundfos product number: 98313337
• Manufacturer description: Kit, Shaft seal TP(D) CPL 16mm K BQQE
• Seal size: 16 mm
• Seal type: K – balanced, rolled-metal bellows cartridge seal unit
• Seal material code: BQQE
• Suitable pump family: selected Grundfos TP / TPD Series 200 pumps with 16 mm shaft and BQQE seal

Need help confirming compatibility?
Call us on 01803 220416 for technical advice before ordering.

Manufacturer product page

Full technical specifications and compatibility details can be viewed on the official Grundfos product page:
View Grundfos shaft seal kit 98313337 – Variant specifications

Compatibility guidance

This kit should be selected by matching the Grundfos product number, pump model, shaft seal code, shaft diameter and existing pump documentation. Similar-looking shaft seals may have different dimensions, elastomers, seal faces or cartridge arrangements, so compatibility should be confirmed before ordering.

• Check the existing Grundfos pump model and product number
• Confirm the existing shaft seal is BQQE
• Confirm the required shaft seal size is 16 mm
• Confirm the pump is a compatible TP / TPD Series 200 variant
• If unsure, send us a photo of the pump nameplate and existing seal reference

This shaft seal kit may fit the following Grundfos TP / TPD models

Grundfos service information places this part number against TP Series 200, 16 mm shaft, BQQE. The list below is provided as compatibility guidance only. Please confirm by full pump product number and spare parts diagram before ordering.

This shaft seal kit fits selected Grundfos TP / TPD pump models

The following Grundfos product pages have been found listing shaft seal kit 98313337 against pumps with BQQE shaft seal configuration. This list is provided as compatibility guidance; please still match the full pump product number, existing seal code and service diagram before ordering.

Confirmed Grundfos product numbers found with shaft seal kit 98313337

• 98165471 – TP 80-60/4 A-F-Z-BQQE-FW3
• 98165472 – TP 65-60/2 A-F-Z-BQQE-EW1
• 98182508 – TP 100-60/4 A-F-A-BQQE
• 98182511 – TP 80-60/4 A-F-A-BQQE-FW3
• 98277887 – TP 50-120/2 A-F-A-BQQE-FX1
• 98420192 – TP 65-180/2 A-F-A-BQQE-HW1
• 98768611 – TPE 65-180/2-S A-F-A-BQQE
• 98806134 – TP 40-90/4 A-F-A-BQQE-CW3
• 98857066 – TP 40-60/4 A-F-A-BQQE-CW3
• 98957967 – TP 50-30/4 A-F-A-BQQE-CW3
• 98957972 – TP 50-60/4 A-F-A-BQQE-DW3
• 98957975 – TP 50-60/4 A-F-Z-BQQE-DW3
• 98957987 – TP 65-30/4 A-F-A-BQQE-CW3
• 98957988 – TPD 65-30/4 A-F-A-BQQE-CW3
• 98957994 – TP 65-60/4 A-F-A-BQQE-EW3
• 98958000 – TP 65-60/4 A-F-Z-BQQE-EW3
• 98958007 – TP 80-30/4 AI-F-A-BQQE-DW3
• 98958023 – TP 80-60/4 A-F-A-BQQE-FW3
• 98958025 – TP 80-60/4 A-F-A-BQQE-FW3
• 98958026 – TP 80-60/4 AI-F-A-BQQE-FW3
• 98958042 – TP 100-30/4 AI-F-A-BQQE-EW3
• 98958044 – TP 100-30/4 AI-F-A-BQQE-EW3
• 98958046 – TP 100-30/4 A-F-A-BQQE-EW3
• 98958049 – TPD 100-30/4 AI-F-A-BQQE-EW3
• 98958060 – TP 100-60/4 AI-F-A-BQQE
• 98958070 – TP 100-120/2 A-F-A-BQQE-IW1
• 98958073 – TP 80-30/4 AI-F-Z-BQQE-DW3
• 98958112 – TP 100-40/4 A-F-A-BQQE-GW4
• 98958115 – TP 32-150/2 A-F-Z-BQQE-DW1
• 98958117 – TP 32-180/2 A-F-Z-BQQE-EW1
• 98958123 – TPD 32-230/2 A-F-A-BQQE-FW1
• 98958135 – TP 32-40/4 A-F-A-BQQE-CW3
• 98958137 – TP 32-60/4 A-F-A-BQQE-CW3
• 98958138 – TP 32-60/4 A-F-Z-BQQE-CW3
• 98958139 – TPD 32-40/4 A-F-A-BQQE-CW3
• 98958140 – TPD 32-60/4 A-F-A-BQQE-CW3
• 98958143 – TPD 40-90/4 A-F-A-BQQE-CW3
• 98958171 – TP 40-180/2 A-J-A-BQQE-EW1
• 98991132 – TP 80-60/4 A-F-A-BQQE-FX3
• 99118662 – TP 32-150/2 A-F-A-BQQE-DW1
• 99408079 – TP 32-120/2 A-F-A-BQQE-DW1
• 99423911 – TPD 40-120/2 AE-F-A-BQQE-DW1

Important: this is not a universal TP / TPD shaft seal. It should only be used where the pump spare-parts list confirms 98313337 or where the existing pump documentation confirms a 16 mm K BQQE shaft seal kit.

Frequently Asked Questions

What does “16mm K BQQE” mean?

• 16 mm – shaft seal size
• K – Grundfos Type K seal design
• BQQE – seal construction and material code

What does Type K mean?

Type K identifies the Grundfos seal design: a balanced, rolled-metal bellows cartridge seal unit. In simple terms, it is the construction style of the seal, while BQQE identifies the seal face and elastomer materials.

Why would I choose a Type K shaft seal?

A Type K shaft seal is a good choice where you want a robust cartridge-style seal with a balanced metal bellows design. The metal bellows acts as both the spring and torque-transmission element, so the seal does not rely on a dynamic rubber O-ring sliding along the shaft during operation.

This can be an advantage in applications where deposits, temperature changes or normal wear could otherwise restrict axial movement of the seal. Because the Type K design uses only static rubber parts, it helps reduce the risk of seal hang-up compared with some O-ring based seal designs. The balanced design also helps reduce the closing force on the seal faces, supporting better lubrication and reduced wear when correctly matched to the pump and duty.

What does BQQE mean?

BQQE describes the seal construction and materials:

• B – rubber bellows seal construction
• Q – silicon carbide rotating seal face
• Q – silicon carbide stationary seal face
• E – EPDM elastomers

Why choose a BQQE shaft seal?

A BQQE seal uses silicon carbide against silicon carbide seal faces with EPDM elastomers. This material pairing is commonly selected where good wear resistance, hot-water performance and resistance to light abrasive content are important.

How does a mechanical shaft seal work?

A mechanical shaft seal uses a rotating part and a stationary part pressed together around the pump shaft. During operation, a very thin lubricating film forms between the seal faces. Correct lubrication is important because too little lubrication can cause overheating and wear, while too much clearance can increase leakage.

Will this shaft seal kit fit my pump?

It may fit selected Grundfos TP and TPD pumps with a 16 mm shaft and BQQE seal, but it is not universal across all TP / TPD pumps. Please match the full Grundfos part number, seal code, shaft size and pump model before ordering.

Is this a complete pump?

No. This listing is for the shaft seal kit only, not a complete pump or motor.

Who should install this shaft seal kit?

Installation should be carried out by a competent pump engineer. The pump should be isolated, drained and dismantled safely, and the replacement seal must be fitted according to the correct Grundfos service procedure for the pump model.

About Our Stock

Stock code: #4840
We specialise in supplying new and unused surplus pumps, motors and pump spares. All units and spare parts are inspected prior to dispatch and supplied with a 2-year guarantee.