circle seal 截止阀9400 series
特征：• leak-proof shutoff
• no stem leakage
• minimum pressure drop
• color-coded handles
• eff ortless opening & closing
• knob or toggle handle
• panel mount
• metering stem
• compact size
• pipe and instrument tube fi ttings
技术数据：
body construction materials brass or 316 stainless steel
seat materials buna n, neoprene, ptfe or viton®
operating pressure 0 to 3000 psig (207 bar)
proof pressure 0 to 4500 psig (310 bar)
burst pressure over 12,000 psig (828 bar)
temperature range −80° f to 350° f (−62° c to 177° c)
based on o-ring material, see “how to order”.
connection sizes 1⁄8˝–3⁄8˝
circle seal 截止阀9300 series
特征：• leakproof in vacuum or pressure service
• no stem leakage
• minimum pressure drop
• very low turning torque
• eff ortless, fi ngertip operation
• can be used for throttling service
• positive position indication
技术数据：
body construction materials brass
o-ring materials buna n, neoprene or viton®
operating pressures vacuum to 150 psig (10 bar)
proof pressure 300 psig (21 bar)
burst pressure (minimum) over 500 psig (34 bar)
temperature range 0° f to 400° f (−17.8° c to 204° c)
based on o-ring material, see “how to order”.
connection sizes ¼˝, ½˝
flow passage 0.275˝ diameter
leakage zero—internal and external
circle seal 截止阀9200 series
特征• 真空或压力服务中的防漏
• 无阀杆泄漏
• minimum pressure drop/straight through fl ow passage
• 方便的球柄
• 极低的转动扭矩
• 正位置指示
技术数据：
body construction materials brass, 303 and 316 stainless steel
o-ring materials buna n, neoprene or viton®
operating pressures • vacuum to 150 psig (10 bar)
• 20 psig (1.38 bar) max in reverse fl ow
proof pressure 300 psig (21 bar)
burst pressure (minimum) over 500 psig (34 bar)
temperature range 0° f to 400° f (−17.8° c to 204° c)
based on o-ring material, see “how to order”.
connection sizes 1⁄8˝–1˝
leakage zero—internal and external
note: proper fi ltration is recommended to prevent damage to sealing surface
circle seal截止阀900 series
特征• 零泄漏
• 受保护的 o 形圈
• 全流通道
• 无需拉丝
• 面板安装标准
• 手轮或拨动手柄
技术数据：
阀体材质：316 or 303 stainless steel
stem materials 316, 303 or 17-4 ph stainless steel
gland nut materials brass or 17-4 ph stainless steel
o-ring materials buna n, neoprene or viton®
spring material 302 stainless steel
handle materials • handle wheel: die-cast zinc, color blue
• toggle: forged steel, cadmium-plated
leakage • internal: zero
• external: zero
operating pressure 0–6000 psig (414 bar)
proof pressure 9000 psig (621 bar)
burst pressure over 24,000 psig (1,655 bar)
temperature range −40° f to 350° f (−40° c to 177° c)
based on o-ring material, see “how to order”.
connection sizes ¼˝–3⁄8˝
actuating force • 900 series: 20in/lbs
• t900 series: 20 lbs
note: proper fi ltration is recommended to prevent damage to sealing surface.
