circle seal 单向阀200series/h200series
特点和优势：quick opening/positive closing
• provides a wide range of adaptability
large fl ow capacity
• the patented sealing principle eff ects
complete leakproof closing under all
pressure conditions
zero leakage
• compact, easy installation. effi cient inline
piston reduces size and weight
floating o-ring
• the streamlined poppet and full ports
off er minimum restriction to fl ow
技术数据：
body construction materials aluminum, brass, steel, 303 or 316 stainless steel
o-ring materials buna n, ethylene propylene, fl uorosilicone,
kalrez®, neoprene, ptfe, and viton®
operating pressure 200 series: to 3000 psig (207 bar)
h200 series: to 6000 psig (414 bar)
proof pressure 1.5 times operating pressure
rated burst pressure 200 series: 2.5 : 1
h200 series: 4 : 1
cracking pressure 0.1 to 25 psig (0.007 to 1.72 bar)
temperature range −320° f to 550° f (−196° c to 288° c)
based on o-ring & body material, see “how to order”
connection sizes 1⁄8˝ to 2˝
note: proper fi ltration is recommended to prevent damage to sealing surfaces.
200系列选型说明：
h200系列选型说明：
