Diaphragm Actuator
AssemblyRolling diaphragm and stem assembly that positions the main disc using line pressure metered into the cover chamber. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Diaphragm Actuator parts and their functions
6 top-level parts · 8 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Main Diaphragm | 1× | Nylon-reinforced rubber |
| 2 | Diaphragm Plate | 2× | Upper and lower |
| 3 | Main Stem | 1× | Stainless stem connecting diaphragm to disc, guided above and below the seat. |
| 4 | Stem Guide | 2× | Top and seat guided |
| 5 | Stem Nut | 1× | Locknut clamping the diaphragm and plate stack onto the stem shoulder. |
| 6 | O-Ring Set | 1× | Stem seals |
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Bill of materials for Diaphragm Actuator
6 top-level lines · 6 rows shown · 8 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Main Diaphragm | pressure-reducing-valve-diaphragm | 1× | 1 | · | part |
| 2 | Diaphragm Plate | pressure-reducing-valve-diaphragm-plate | 2× | 2 | · | part |
| 3 | Main Stem | pressure-reducing-valve-main-stem | 1× | 1 | · | part |
| 4 | Stem Guide | pressure-reducing-valve-stem-guide | 2× | 2 | · | part |
| 5 | Stem Nut | pressure-reducing-valve-stem-nut | 1× | 1 | · | part |
| 6 | O-Ring Set | oring-set | 1× | 1 | · | part |
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Where the diaphragm actuator is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
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 $2–$500. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Inovance
inovance.com ↗
|
Shenzhen, CN | Drives & motion control | 500 units | 10–14 wks |
| sonacomstar.com ↗ | Gurugram, IN | EV driveline & motors | 500 units | 10–14 wks |
| broad-ocean.com ↗ | Zhongshan, CN | Electric motors | 500 units | 10–14 wks |
| nidec.com ↗ | Singapore | Motors, regional ops | 500 units | 10–14 wks |
| bosch.in ↗ | Bengaluru, IN | Automotive components | 500 units | 10–14 wks |