

Ideal for Control Valves and Low-Pressure Systems
Enhanced Service Life with Shape-Optimized Check Valves
Bray/Rite wafer combination swing check valves are flow activated, and Rite Sized. Bray/Rite inlet ports and disc have been shape optimized to achieve a fully open position at low flow rates (3 ft/s on average). Therefore, the Bray/Rite operates exceptionally well in the flow rates typically found in pipelines containing control valves and lines with varying media flows.Compare the Bray/Rite to typical full-sized swing check valves-- Due in part to their oversized, heavier discs, these valves only fully open at an average flow rate of 11 ft/s. When activated at a lower flow rate, these valves loose true controllability and do not fully open. A partially open disc creates an obstruction that produces a higher pressure drop and fluttering of the valve disc - disturbing the flow and increasing the chance of water hammer.Bray/Rite is Rite Sized to eliminate these problems. 它经过精心设计,可加速通过阀门的管路介质,在低压下实现几乎畅通无阻的完全打开状态。Rite尺寸,加上运行时内部部件的有限移动,能够减少磨损,延长Bray/Rite阀门的使用寿命。

技术规格
尺寸范围
1"至60" (25mm至1500mm)
阀体材料
ASTM A 126 CLB, ASTM A 395, ASTM A 216 WCB, ASTM A 351 CF8M,钛
温度范围
低温至高温(已选等待模式)
垫片材料
PTFE, SS316
最大许用操作压力
API 594 (150, 300, 600, 900, 1500, 2500)
ASME (125, 150, 300)
PN (10, 16, 25, 40)
ASME (125, 150, 300)
PN (10, 16, 25, 40)
阀座材料
BUNA-N、EPDM、A240 - 304(嵌入或一体)、PFTE,氟橡胶
密封等级
零泄漏
阀板材料
标准SS316(或更高等级)
阀体类型
对夹、法兰式、RTJ
设计标准
API 594, ASME B16.34
认证
API 6FD, CE, CRN, FM, NSF-61, PED, ULC
测试标准
API 598, ASME B16.34
结构长度
ANSI, API 594
模型
201, 203, 205, 210, 211, 212, 260, 312
配件
H-100, SA-01, SA-1, SA-2, SA-10, SA-16, SA-40, SA-50
应用
泵保护、减少水锤现象
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