![137-0402// AMAT APPLIED 3870-01256 (#1) VALVE BLWS PNEU 1-1/2IN NW-40B [NEW]](/catalog-assets/e2d151fe65a1ca862ec6067238c6742b0f4eea8089850722f35885b5266a1c32.webp)
| Valve type | Pneumatic bellows angle valve Vacuum valve actuated pneumatically, with bellows isolation indicated. |
|---|---|
| Port size | 1-1/2 inch / NW40 The evidence repeatedly indicates NW40B or 1-1/2 inch port context. |
| Vendor context | Nor-Cal Products Nor-Cal is repeatedly associated with this valve. |
A pneumatic angle isolation valve opens and closes a vacuum/gas path using a pneumatic actuator.
Seal condition, actuator operation, and port configuration are critical to vacuum integrity and tool uptime.
Bellows construction helps isolate actuator motion from the vacuum path.
Product reference only. Confirm fitment, revision, included components, and specifications before purchase.
No public documents were listed for this part when captured.
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Observed public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 10, 2026 16:22 UTC
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eBay response captured — Checked Oct 8, 2026 16:27 UTC
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| Currency | Price basis | Records | Minimum | Maximum | Mean |
|---|---|---|---|---|---|
| USD | Observed public listing prices | 2 | 350.0000 | 585.0000 | 467.5000000000000000 |
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 |
|---|---|---|---|---|
| Sep 25, 2024 16:58 UTC | Nor-Cal Products 3870-01256 Pneumatic Angle Valve AMAT Lot of 2 Working Surplus | Completed listing price | 609.24 (currency not captured) | Not established |
| May 29, 2024 06:40 UTC | 8006 APPLIED MATERIALS NOR-CAL VLV BLWS PNEU 1-1/2IN NW-40B ON BOTH P 3870-01256 | Completed listing price | 541.42 (currency not captured) | Not established |
| Nov 30, 2022 08:17 UTC | AMAT 3870-01256 VALVE BLWS PNEU 1-1/2IN NW-40B ON BOTH PORTS | Completed listing price | 400 (currency not captured) | Not established |
| Apr 25, 2022 03:32 UTC | Applied Materials (AMAT) 3870-01256 NOR-CAL ESVP-1502-NWB | Completed listing price | 274.95 (currency not captured) | Not established |
| Feb 7, 2022 06:46 UTC | 126-0202// AMAT APPLIED 3870-01256 VALVE BLWS PNEU 1-1/2IN NW-40B ON BOTH P USED | Completed listing price | 320 (currency not captured) | Not established |
| Sep 23, 2021 02:09 UTC | 137-0402// AMAT APPLIED 3870-01256 (#1) VALVE BLWS PNEU 1-1/2IN NW-40B [NEW] | Completed listing price | 150 (currency not captured) | Not established |
| Jun 25, 2021 03:32 UTC | Applied Materials (AMAT) 3870-01256 NOR-CAL VACUUM PRODUCTS ESVP-1502-NWB | Completed listing price | 274.95 (currency not captured) | Not established |
| Jun 22, 2021 09:30 UTC | 8006 APPLIED MATERIALS NOR-CAL VLV BLWS PNEU 1-1/2IN NW-40B ON BOTH P 3870-01256 | Completed listing price | 395 (currency not captured) | Not established |
| Jun 8, 2021 19:07 UTC | Applied Materials 3870-01256 HP Plus TXZ ISO valve body | Completed listing price | 150 (currency not captured) | Not established |
| Jun 5, 2019 02:50 UTC | 319-0102// AMAT APPLIED 3870-01256 VALVE BLWS PNEU 1-1/2IN NW-40B ON BOTH P NEW | Completed listing price | 400 (currency not captured) | Not established |
| Mar 10, 2019 22:24 UTC | Applied Materials (AMAT) 3870-01256 8006 NOR-CAL PNEUMATIC ANGLE ISOLATION VALVE | Completed listing price | 195 (currency not captured) | Not established |
| Feb 14, 2017 18:05 UTC | 3870-01256, AMAT, VALVE BLWS PNEU 1-1/2IN NW-40B ON BOTH PORTS | Completed listing price | 400 (currency not captured) | Not established |
| Oct 8, 2012 14:57 UTC | LOT NOR-CAL ANGLE VALVE MKS CONTROL VALVE CONTROLLER 3870-01256 | Completed listing price | 149.99 (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.
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Legacy record; no enhanced status check captured
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Legacy record; no enhanced status check captured
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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.
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.
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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