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Discussion History

Protector Seal Section

Assembly

Seal section between motor and pump that equalizes pressure, blocks well fluid from the motor, and absorbs shaft thrust. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Protector Seal Section parts and their functions

9 top-level parts · 14 parts in total · full bill of materials below
Protector Seal Section parts diagram: 1 protector housing, 2 labyrinth chamber, 3 elastomer bag chamber, 4 protector thrust bearing, 5 protector shaft, 6 shaft mechanical seal, 7 oil seal, 8 ball bearing, 9 o-ring set. 14 parts in 9 top-level items.
Protector Seal Section parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Protector Housing 1× Tubular housing enclosing the seal chambers
2 Labyrinth Chamber 2× Labyrinth chamber isolating motor oil from well fluid by density
3 Elastomer Bag Chamber 1× Elastomer bag chamber accommodating oil thermal expansion
4 Protector Thrust Bearing 1× Tilting-pad thrust bearing carrying pump down-thrust
5 Protector Shaft 1× Shaft transmitting torque from motor to pump
6 Shaft Mechanical Seal 2× Shaft mechanical seals between chambers
7 Oil Seal 2× Lip seals at chamber boundaries
8 Ball Bearing 2× Radial bearings supporting the protector shaft
9 O-Ring Set 2× Static seal set at chamber connections

3D model

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Build & assembly graph

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Bill of materials for Protector Seal Section

9 top-level lines · 9 rows shown · 14 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Protector Housing esp-protector-housing 1× 1 · part
2 Labyrinth Chamber esp-labyrinth-chamber 2× 2 · part
3 Elastomer Bag Chamber esp-bag-chamber 1× 1 · part
4 Protector Thrust Bearing esp-thrust-bearing 1× 1 · part
5 Protector Shaft esp-protector-shaft 1× 1 · part
6 Shaft Mechanical Seal esp-mechanical-seal 2× 2 · part
7 Oil Seal oil-seal 2× 2 · part
8 Ball Bearing ball-bearing 2× 2 · part
9 O-Ring Set oring-set 2× 2 · part

Where the protector seal section is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Oilwell ESP System

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Flex (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
bydelectronic.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks