工程规格说明书范文
Sample Engineering Specification

　　所有热塑性塑料吸入过滤器应该采用PVC类型I分类12454材料制造。所有O形环材质应该是EPDM。过滤器篮材质应该是316不锈钢。标准过滤器穿孔尺寸应该是³/₁₆英寸，并且最小开口面积比为6:1。过滤器篮应该设置底部排放口用于直接排放，并配置360^o可调节排放总成，包括终端球阀。这种装置应该设置螺栓紧固过滤器盖并内置观察玻璃。在水温23^o条件下，吸入过滤器压力等级应该是50 psi，并由美国斯毕尔制造公司制造。
　　All thermoplastic Suction Strainers shall be fabricated from PVC Type I Cell Classification 12454 material. All O-rings shall be EPDM. Stainer basket shall be type 316 stainless steel. Standard strainer perforations shall be ³/₁₆" with a minimum open area ratio of 6:1. Basket shall have bottom-drained direct discharge with 360^o adjustable side discharge assembly, including Ball Valve at terminal end. Unit shall have bolt-on bonnet with built-in sight glass. Suction strainer shall be pressure rated at 50 psi for water at 73^oF, as manufactured by Spears® Manufacturing Company.

吸入过滤器不锈钢篮³/₁₆英寸穿孔
Suction Strainer Stainless Steel
Baskets ³/₁₆" Perforation

特点 - PVC
Features - PVC

　　吸入过滤器是一种特殊结构、能够减少压降的篮式过滤器，是吸入管道应用中的一种关键部件。在采用相同通径（进口/出口）装置时，缩小通径上的加大进口端口在吸入管道应用中有着最好的运行性能。
　　The Suction Strainer is a special Basket Strainer design that reduces pressure drop, a critical element in suction line applications. While same-size (inlet/outlet) units are available, the enlarged inlet on reducing sizes perform best in suction-line applications.

• 耐化学品和耐腐蚀的PVC材料结构
  Chemical & Corrosion Resistant PVC Construction
• 标准配置为螺栓紧固的阀盖，并带顶部可观察玻璃
  Bolt-on Bonnet with Top Sight Glass, Standard
• 不锈钢过滤器篮，穿孔尺寸为³/₁₆英寸，标准配置
  Stainless Steel Strainer Basket with ³/₁₆" Perforation, Standard
• 底部排放过滤器篮，用于直接冲刷
  Bottom-Drained Internal Strainer Basket for Direct Flushing
• 360^o可调节侧面安装冲刷-排放阀总成
  360^o Adjustable Side Mounted Flush-Discharge Valve Assembly
• EPDM材质密封，标准
  EPDM Seals Standard
• 压力等级为50 psi @ 23^oC
  Pressure rated to 50 psi @ 73^oF

　　请联系美国斯毕尔公司了解过滤器篮网孔/穿孔，弹性材料密封选配件，或其他用户需要定制的信息。
　　Contact Spears® for additional Basket Mesh/Perforation, Elastomer seal options, or other custom requirements desired.

吸入过滤器快速选型表
Quick-View Suction Strainer Selection Chart