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Discussion History

Bellows Assembly

Assembly

The pressure-sensing heart of the valve: a metal bellows backed by a nitrogen-charged dome whose set pressure determines the opening pressure. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Bellows Assembly parts and their functions

6 top-level parts · 6 parts in total · full bill of materials below
Bellows Assembly parts diagram: 1 metal bellows, 2 dome charge chamber, 3 nitrogen dome charge, 4 bellows protection, 5 dome charge valve, 6 stem guide. 6 parts in 6 top-level items.
Bellows Assembly parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Metal Bellows 1× Convoluted sensing bellows
2 Dome Charge Chamber 1× Nitrogen dome reservoir
3 Nitrogen Dome Charge 1× Charged and temperature-corrected nitrogen
4 Bellows Protection 1× Hydraulic damping/backup ring
5 Dome Charge Valve 1× Core valve for setting dome pressure
6 Stem Guide 1× Guides the stem off the bellows

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
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Bill of materials for Bellows Assembly

6 top-level lines · 6 rows shown · 6 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Metal Bellows glv-metal-bellows 1× 1 · part
2 Dome Charge Chamber glv-dome-charge-chamber 1× 1 · part
3 Nitrogen Dome Charge glv-nitrogen-charge 1× 1 · part
4 Bellows Protection glv-bellows-protection 1× 1 · part
5 Dome Charge Valve glv-charge-valve 1× 1 · part
6 Stem Guide glv-stem-guide 1× 1 · part

Where the bellows assembly is used

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

Used in 1 assembly

Gas Lift Valve

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