One Piece Stainless Steel Ball Valve – Reduced Port, 316, 1000 WOG, PT/NPT/PF, 1/4″–3″ (R-1B)

產品說明

A one piece stainless steel ball valve 評分 1000 WOG, with the body cast as a single piece and welded closed. 316 (CF8M) is the stock material; 304 (CF8) is made to order. PTFE seats, manual quarter-turn lever, reduced port, −20 °C to +180 °C. Two end builds: 雌性 × 雌性 (F×F) 從 1/4 英吋 到 3 英吋，以及 雄性 × 雌性 (M×F) 有 1/4 英吋、3/8 英吋和 1/2 英吋三種規格。.

Because the body is one piece instead of two or three bolted or screwed sections, there is no body joint — one fewer place for the valve to leak. The trade-off is honest: it cannot be opened for service, and the bore is one pipe size smaller than the line. We say so plainly further down, and we point you at the valve you should buy instead.

「1000 WOG」實際上代表什麼

WOG 代表 水、石油、天然氣. 1000 WOG 的額定值表示該閥門的額定值為 1000 psi 的低溫、無衝擊工作壓力 on those media.

Three things buyers get wrong about it:

• WOG 是一種耐寒等級。. It is not a steam rating. This valve runs from −20 °C to +180 °C, set by the PTFE seats — tell us your line temperature and we will confirm it suits.
• “「無衝擊」是評級的一部分。. 當管線發生水擊現象或泵浦快速啟動時，壓力會出現遠高於正常工作壓力的驟升。設計時應以壓力驟升值為依據，而非壓力錶的讀數。.
• On this valve, “gas” means compressed air. Fuel gas lines (natural gas, propane) call for a gas-listed valve, and this is not one.

如果您的管線在冷態下壓力超過 1000 psi，這就不是您需要的閥門——請告知我們具體壓力，我們將為您報價合適的產品。.

F×F 還是 M×F —— 你需要哪一種？

• 雌性 × 雌性 (F×F) — 兩端均配有公頭管或接頭。這是通用型選擇，也是 1/2 英吋以上（最大至 3 英吋）規格中唯一可選的款式。.
• 男性 × 女性 (M×F) — one male end screws straight into a female port, so you save a fitting and shorten the assembly. Available in 1/4″, 3/8″ and 1/2″ only. If you need M×F above 1/2″, see the two-piece MxF ball valve (1/2″–2″, full port).

Dimensions for both builds are on the PDF dimension sheets at the top of this page.

規格

何時不應選擇此閥門

應用

A reduced-port, non-serviceable body is a deliberate trade: the smallest envelope and the fewest joints of the three ball valve body types, at the lowest cost of the three. It belongs where those three things matter more than full flow or in-line repair.

• Instrument and gauge line isolation — the shut-off ahead of a pressure gauge or transmitter, so the instrument can be changed without draining the line. Open it slowly; this is an isolation valve, not a throttling one.
• OEM machinery and skid-mounted systems — small-bore utility shut-offs built into a machine frame or a packaged skid, where the valve is replaced as a unit rather than rebuilt in place.
• 空間狹窄的安裝 — panels, cabinets and pipe runs where a two-piece or three-piece body will not fit. With no mid-body joint there is nothing to add length to the body.
• Compressed air branch isolation — take-offs from a plant air header to a machine, a filter-regulator or a blow-down point.
• Water and oil utility lines — general shut-off on cooling water, wash-down, lubrication and fuel-oil transfer lines up to 1000 psi cold.

Not for pump suction lines (use a full-port valve), fuel gas, steam, potable water or oxygen service — see the table above.

向我們購買

• Manufacturer, not a trading company. Our own factory in Taiwan, stainless valves since 1999.
• 可應要求提供磨坊證明書。.
• One supplier for the whole line — valves, fittings and strainers, one shipment, one set of documents.

Tell us the size, F×F or M×F, 316 or 304, and the line pressure. That is enough for us to quote.

常見問題

What is a one piece stainless steel ball valve?

A ball valve whose body is cast as a single piece and welded closed, instead of being bolted or screwed together from two or three sections. There is no body joint, so there is one fewer place for a line to weep. The trade-off is that the valve cannot be opened for service and the port is reduced — the bore is one pipe size smaller than the line. If you want the same no-body-joint construction with a full-port bore, see the seal-welded two-piece ball valve (V-2B / V-2C).

「1000 WOG」是什麼意思？

WOG stands for Water, Oil, Gas. A 1000 WOG rating means the valve is rated for 1000 psi of cold, non-shock working pressure on those media. It is not a steam rating. On this valve “gas” means compressed air — it is not listed for fuel gas.

工作溫度範圍為何？

−20 °C to +180 °C, set by the PTFE seats. Tell us your line temperature and we will confirm the valve suits it.

有哪些尺寸可供選擇？

Female × female (F×F) from 1/4″ to 3″ — 1/4″ to 2″ as standard, 2-1/2″ and 3″ on request. Male × female (M×F) in 1/4″, 3/8″ and 1/2″. Dimensions are on the two PDF dimension sheets at the top of this page.

貴公司供應哪些螺紋標準？

PT（錐形）為標準螺紋；NPT 和 PF 亦有現貨。.

316 or 304 — which should I order?

316 (CF8M) is the stock material and the one to choose wherever chlorides are present: brine, seawater, coastal air, most chemical service. The molybdenum in 316 is what resists chloride pitting. 304 (CF8) is made to order for general water, air and oil duty.

這個閥門可以打開以便進行清潔或維修嗎？

No. The body is welded, so it cannot be taken apart. That is the trade-off for having no threaded body joint to leak. If you need to service the valve in line, buy the 三片式球閥 instead. If you only need full-port flow and still want no threaded body joint, the seal-welded two-piece ball valve (V-2B / V-2C) is the one to look at.

這是全通徑閥嗎？

No. It is a reduced (standard) port valve — the bore is smaller than the pipe. If you need full bore flow, buy the seal-welded two-piece ball valve.

我可以在上面安裝一個致動器嗎？

No. This body has no actuator mounting pad. If you need automation, buy the 一體式氣動球閥, which has the ISO 5211 pad cast into the body.

貴公司能否提供材料證明書？

是的。如需工廠證明書，可提出申請。.

貴公司是否有最低訂購量？

不。請告訴我們您的需求，我們會為您報價。.