{"product_id":"swagelok-ss-bns4-c-316l-ss-high-purity-bellows-sealed-pneumatic-valve","title":"Swagelok – SS-BNS4-C – 316L SS High-Purity Bellows-Sealed Pneumatic Valve","description":"\u003cp class=\"p1\"\u003eThe Swagelok SS‑BNS4‑C is a high-purity, bellows-sealed valve from the BN series, engineered for ultra-clean fluid and gas control in demanding semiconductor, pharmaceutical, and aerospace applications. Featuring a pneumatic actuator that returns to a normally-closed position, it maintains a packless, all-metal seal to atmosphere, effectively eliminating leakage risks. Precision-engineered from 316L stainless steel, it’s ideal for UHP systems up to 200 °F (93°C) and pressures up to 125 psig (8.6 bar) \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e.\u003c\/p\u003e\u003cp class=\"p2\"\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003c\/p\u003e\u003cp class=\"p3\"\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp class=\"p2\"\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eModel:\u003c\/b\u003e\u003c\/span\u003e SS‑BNS4‑C\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e\u003c\/span\u003e Swagelok (BN Series) \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBody Material:\u003c\/b\u003e\u003c\/span\u003e 316L stainless steel\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eBellows Material:\u003c\/b\u003e\u003c\/span\u003e Series BN (321 SS alloy) \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eConnection Size:\u003c\/b\u003e\u003c\/span\u003e 1\/4″ Swagelok tube fittings (@ both ends) \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eActuator Type:\u003c\/b\u003e\u003c\/span\u003e Pneumatic, spring-return, normally closed \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eFlow Pattern:\u003c\/b\u003e\u003c\/span\u003e Straight-through, 2-way valve; Cv ≈ 0.3 \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eTemperature Range:\u003c\/b\u003e\u003c\/span\u003e –40°F to +200°F (–40°C to +93°C) \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003ePressure Rating:\u003c\/b\u003e\u003c\/span\u003e 125 psig @ 100°F (8.6 bar @ 37°C) \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eStem Tip:\u003c\/b\u003e\u003c\/span\u003e PCTFE for reliable sealing \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eCleaning \u0026amp; Packaging:\u003c\/b\u003e\u003c\/span\u003e SC‑11 cleaning for high-purity service \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSealing:\u003c\/b\u003e\u003c\/span\u003e Packless, welded metal bellows eliminates external leakage \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Swagelok","offers":[{"title":"Default Title","offer_id":55818558341494,"sku":"EB-286669234559","price":141.55,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/4202\/8857\/files\/57_5e7d5942-1797-43c0-a344-cdbad1589a04.png?v=1750721266","url":"https:\/\/volt-werk.com\/products\/swagelok-ss-bns4-c-316l-ss-high-purity-bellows-sealed-pneumatic-valve","provider":"VOLTWERK Handel","version":"1.0","type":"link"}