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Circle Seal 單向閥2200 系列
2200 Series
0 to 800 psig Check Valves
特征
•中等流量
•單件設計
•彈性o形圈
受益者
•免維護
•可靠
•經濟的
技術數據
車身結構材料：黃銅、316不鏽鋼
O型環材料丁腈橡膠、乙烯丙烯、氯丁橡膠、硅樹脂、，
或氟橡膠®
工作壓力0至800 psig（55巴）
驗証壓力1200 psig（83巴）
開裂壓力1至3 psig（0.07至0.21 bar）
溫度範圍−70華氏度至+450華氏度(−57°C至+232°C）
根據o形圈和閥體材料，請參見“如何訂購”
連接尺寸1⁄8˝至1˝
注意：建議進行適當過濾，以防止損坏密封面。
工作原理
打開
流量平穩通過提升頭
湍流最小，無限制通過流動導軌。
結束
O型環自動建立起連接線
與球形閥座接觸，以緩衝
關閉並確保完美密封。
關閉
僅O形密封圈。全壓由壓力傳感器承載
金屬對金屬閥座。
22 59 B – 2 MM – 1
O-RING MATERIAL, TEMPERATURE &
STANDARD CRACKING RANGE
49 Buna N, −65° F to +250° F, 4.0 psig
59 Buna N, −65° F to +275° F, 2.0 psig
62 EPR, −65° F to +300° F, 4.0 psig
33 Neoprene, −40° F to +300° F, 4.0 psig
24 Silicone, −70° F to +450° F, 2.0 psig
32 Viton®, −20° F to +400° F, 2.0 psig
20 PTFE, −100° F to +400° F, 4.0 psig
BODY MATERIAL
B Brass†
T1 316 stainless steel
CRACKING PRESSURE
Call out dash number if not standard
1 1 psig
CONNECTIONS—INLET/OUTLET
M Male pipe, NPT
S Male British taper pipe
VALVE SIZE
1 1⁄8˝
2 ¼˝
3 3⁄8˝
4 ½˝
6 ¾˝
8 1˝
† For PED applications, brass bodies are limited to a maximum temperature of +100° F (+38° C).
Please consult Circle Seal Controls or your local distributor for information on special connections, o-rings, operating pressures,
reseal pressures and temperature ranges.
Leakage
2249, 2262 Series zero @ 3 psig to 800 psig
2259, 2232, 2233 & 2224 Series zero @ 1 psig to 800 psig
2220 Series 10cc/min maximum from zero to 75 psig; zero from 75 psig to 800 psig
Cracking Pressure
Minimum cracking pressure available: 0.1 psig
Maximum cracking pressure available: 7.0 psig
Note: Cracking pressure is defi ned as pressure at which fl ow is 5cc/min, except the 2220 Series, for which fl ow is approximately 0.02 cfm. For standard cracking pressures
and less (example: 2259–2MM–.3), the tolerance is +0%, −100%. For cracking pressure greater than standard (example: 2259B–2MM–5), the tolerance is ±20%.
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