| Evidence-backed description | Pneumatic Diaphragm Valve Normalized from repeated listing evidence in the uploaded batch. |
|---|---|
| Part number | 3870-00899 Part number from the request. |
A pneumatic diaphragm valve controls gas or vacuum flow using an air-actuated diaphragm mechanism.
Port style, pressure rating, normal state, materials, and seal type are critical.
Product reference only. Confirm fitment, revision, included components, and specifications before purchase.
No public documents were listed for this part when captured.
Prices and availability may change. Confirm details with the seller.
Observed public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 12, 2026 16:15 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
View on eBayObserved public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 11, 2026 16:04 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
View on eBayObserved public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 6, 2026 16:19 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
View on eBayObserved public listing price, not an accepted sale amount.
eBay response captured — Checked Sep 30, 2026 16:07 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
View on eBayObserved public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 18, 2026 16:13 UTC
Availability has not been rechecked; current availability is unknown.
Buy It Now
View on eBay0 matching listings.
No active-status direct listings are shown on this page.
Auction listing history. Direct marketplace listings are shown separately.
| Currency | Price basis | Records | Minimum | Maximum | Mean |
|---|---|---|---|---|---|
| USD | Observed public listing prices | 5 | 29.9500 | 2500.0000 | 577.9880000000000000 |
Amounts without an established currency are retained in the history below and excluded from monetary comparisons. Bids, public listing prices and accepted amounts are distinct; no currency conversion is applied.
| Time recorded | Listing | Observation | Public price | Recorded acceptance |
|---|---|---|---|---|
| Apr 23, 2021 14:07 UTC | VALVE PNEU DIAPH N/C 2PORT 1-1/8" SURFACE-MOUNT AMAT 3870-00899 | Completed listing price | 25 (currency not captured) | Not established |
| Mar 22, 2021 21:58 UTC | 2 AMAT 3870-00899 Pneumatic N.C. Diaphragm Valve, SUS316L, 3PORT-I, 453678 | Completed listing price | 60 (currency not captured) | Not established |
| Oct 22, 2019 14:06 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 39.99 (currency not captured) | Not established |
| Oct 23, 2018 03:29 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 39.99 (currency not captured) | Not established |
| Jul 19, 2016 01:15 UTC | Lot of 5 New AMAT PNUEMATIC DIAPHRAGM VALVE P/N 3870-00899 | Completed listing price | 250 (currency not captured) | Not established |
| Jun 18, 2016 04:07 UTC | Lot of 5 New AMAT PNUEMATIC DIAPHRAGM VALVE P/N 3870-00899 | Completed listing price | 250 (currency not captured) | Not established |
| May 13, 2016 14:34 UTC | CKD Applied Materials/AMAT 3870-00899 Pneumatic Surface Mount NC Diaphragm Valve | Completed listing price | 24.99 (currency not captured) | Not established |
| Nov 9, 2015 20:27 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 31.99 (currency not captured) | Not established |
| Jul 12, 2015 20:17 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 39.99 (currency not captured) | Not established |
| Jun 28, 2015 20:17 UTC | CKD Applied Materials/AMAT 3870-00899 Pneumatic Surface Mount NC Diaphragm Valve | Completed listing price | 29.99 (currency not captured) | Not established |
| Jun 12, 2015 20:08 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 39.99 (currency not captured) | Not established |
| May 29, 2015 20:07 UTC | CKD Applied Materials/AMAT 3870-00899 Pneumatic Surface Mount NC Diaphragm Valve | Completed listing price | 29.99 (currency not captured) | Not established |
| May 12, 2015 22:02 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 49.99 (currency not captured) | Not established |
| May 4, 2015 22:30 UTC | Pneumatic N.C. 3870-00899 Diaphragm Valve AMAT Lot of 8 Used | Completed listing price | 305.13 (currency not captured) | Not established |
| Apr 28, 2015 22:02 UTC | CKD Applied Materials/AMAT 3870-00899 Pneumatic Surface Mount NC Diaphragm Valve | Completed listing price | 29.99 (currency not captured) | Not established |
| Apr 12, 2015 21:52 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 49.99 (currency not captured) | Not established |
| Mar 29, 2015 21:52 UTC | CKD Applied Materials/AMAT 3870-00899 Pneumatic Surface Mount NC Diaphragm Valve | Completed listing price | 29.99 (currency not captured) | Not established |
| Mar 13, 2015 21:43 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 49.99 (currency not captured) | Not established |
| Feb 27, 2015 21:36 UTC | CKD Applied Materials/AMAT 3870-00899 Pneumatic Surface Mount NC Diaphragm Valve | Completed listing price | 29.99 (currency not captured) | Not established |
| Feb 11, 2015 21:32 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 49.99 (currency not captured) | Not established |
| Jan 28, 2015 21:22 UTC | CKD Applied Materials/AMAT 3870-00899 Pneumatic Surface Mount NC Diaphragm Valve | Completed listing price | 40.99 (currency not captured) | Not established |
| Jan 12, 2015 21:22 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 49.99 (currency not captured) | Not established |
| Sep 29, 2014 22:00 UTC | CKD Applied Materials/AMAT 3870-00899 Pneumatic Surface Mount NC Diaphragm Valve | Completed listing price | 38.99 (currency not captured) | Not established |
| Sep 13, 2014 22:15 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 49.99 (currency not captured) | Not established |
| Aug 30, 2014 21:50 UTC | CKD Applied Materials/AMAT 3870-00899 Pneumatic Surface Mount NC Diaphragm Valve | Completed listing price | 38.99 (currency not captured) | Not established |
| Jun 15, 2014 21:41 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 49.99 (currency not captured) | Not established |
| Jun 1, 2014 21:25 UTC | CKD Applied Materials/AMAT 3870-00899 Pneumatic Surface Mount NC Diaphragm Valve | Completed listing price | 38.99 (currency not captured) | Not established |
| May 16, 2014 21:36 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 49.99 (currency not captured) | Not established |
| May 2, 2014 21:11 UTC | CKD Applied Materials/AMAT 3870-00899 Pneumatic Surface Mount NC Diaphragm Valve | Completed listing price | 38.99 (currency not captured) | Not established |
| Mar 2, 2014 22:40 UTC | CKD Applied Materials/AMAT 3870-00899 Pneumatic Surface Mount NC Diaphragm Valve | Completed listing price | 38.99 (currency not captured) | Not established |
| Jan 31, 2014 22:30 UTC | CKD Applied Materials/AMAT 3870-00899 Pneumatic Surface Mount NC Diaphragm Valve | Completed listing price | 38.99 (currency not captured) | Not established |
| Jan 15, 2014 22:51 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 49.99 (currency not captured) | Not established |
| Jan 1, 2014 22:15 UTC | CKD Applied Materials/AMAT 3870-00899 Pneumatic Surface Mount NC Diaphragm Valve | Completed listing price | 36.99 (currency not captured) | Not established |
| Nov 28, 2013 21:55 UTC | CKD Applied Materials/AMAT 3870-00899 Pneumatic Surface Mount NC Diaphragm Valve | Completed listing price | 36.99 (currency not captured) | Not established |
| Nov 20, 2013 21:55 UTC | CKD Applied Materials/AMAT 3870-00899 Pneumatic Surface Mount NC Diaphragm Valve | Completed listing price | 39.99 (currency not captured) | Not established |
| Nov 16, 2013 22:30 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 49.99 (currency not captured) | Not established |
| Oct 17, 2013 22:20 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 44.99 (currency not captured) | Not established |
| Sep 17, 2013 22:10 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 44.99 (currency not captured) | Not established |
| Aug 18, 2013 22:00 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 44.99 (currency not captured) | Not established |
| Jul 19, 2013 21:50 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 49.99 (currency not captured) | Not established |
| Jun 19, 2013 21:36 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 49.99 (currency not captured) | Not established |
| May 20, 2013 21:21 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 49.99 (currency not captured) | Not established |
| Apr 20, 2013 21:06 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 49.99 (currency not captured) | Not established |
| Mar 20, 2013 23:10 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 49.99 (currency not captured) | Not established |
| Feb 18, 2013 22:40 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 49.99 (currency not captured) | Not established |
| Jan 31, 2013 18:01 UTC | VALVE PNEU DIAPH N/C 2PORT 1-1/8" SURFACE-MOUNT AMAT 3870-00899 | Completed listing price | 5 (currency not captured) | Not established |
| Jan 19, 2013 22:20 UTC | NEW AMAT 3870-00899 Surface Mount 2-Port Diaphragm Valve C-Seal NC 125psig | Completed listing price | 44.99 (currency not captured) | Not established |
Public listing prices, direct recorded sale prices and recorded accepted Best Offer amounts remain distinct. Quantities are source estimates. No aggregate sales total or average is inferred.
Prices and availability may change. Confirm details with the seller.
Legacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
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Best Offer lookup was not verified; no accepted-price claim is made.
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Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
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Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
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Legacy record; no enhanced status check captured
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Best Offer lookup was not verified; no accepted-price claim is made.
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Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
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Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
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