First Stage - High Pressure Reducer

Assembly

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Balanced diaphragm or piston valve reducing 200–250 bar tank pressure to ~9 bar intermediate pressure via spring-loaded demand seat.

Direct parts	5
Total parts	5
Used in	1 assembly
Class	Assembly

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Balanced diaphragm or piston valve reducing 200–250 bar tank pressure to ~9 bar intermediate pressure via spring-loaded demand seat. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

First Stage - High Pressure Reducer parts and their functions

5 top-level parts · 5 parts in total · full bill of materials below

First Stage - High Pressure Reducer parts diagram: 1 first stage housing, 2 diaphragm or piston element, 3 intermediate valve seat, 4 pressure calibration spring, 5 first stage seals. 5 parts in 5 top-level items. — First Stage - High Pressure Reducer parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	First Stage Housing	1×	Brass or aluminum alloy casting housing diaphragm or piston chamber
2	Diaphragm or Piston Element	1×	Synthetic rubber or metal piston responding to pressure differential
3	Intermediate Valve Seat	1×	Spring-loaded valve seat opening under demand pressure
4	Pressure Calibration Spring	1×	Calibrated spring maintaining ~9 bar intermediate setpoint
5	First Stage Seals	1×	O-ring and valve seat seals preventing internal leakage

3D model

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Bill of materials for First Stage - High Pressure Reducer

5 top-level lines · 5 rows shown · 5 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	First Stage Housing	scuba-regulator-first-stage-body	1×	1	·	part
2	Diaphragm or Piston Element	scuba-regulator-diaphragm-piston	1×	1	·	part
3	Intermediate Valve Seat	scuba-regulator-intermediate-valve	1×	1	·	part
4	Pressure Calibration Spring	scuba-regulator-spring-assembly	1×	1	·	part
5	First Stage Seals	scuba-regulator-first-stage-seal	1×	1	·	part

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Where the first stage - high pressure reducer is used

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

Outdoor & Camping Gear 1 Scuba Regulator

Used in 1 assembly

Scuba Regulator

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

Vendor	HQ	Specialty	MOQ	Lead 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