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Page 94
水坑泵旋启式止回阀
SUMP PUMP SWING CHECK VALVES

美国斯毕尔公司
     

工程规格说明书范文
Sample Engineering Specification

  所有热塑性塑料止回阀应该是水坑泵旋启式止回阀,其结构材料应该采用PVC类型I, ASTM D 1784分类12454。所有阀门应该采用无需维护密封装置,并配置EPDM阀座和加重阀瓣。所有阀门应该有外置流向箭头标志。所有阀门应该是带Buna-N压缩衬垫的双用设计结构,可用于国际管道标准IPS通径DN32或DN40的管道。在水温23oC条件下,所有阀门在全流量(开启)位置时压力等级应该是150 psi,在回压(关闭)位置时压力等级应该是75 psi,并由美国斯毕尔制造公司制造。
  All thermoplastic check valves shall be Sump Pump Swing Check type constructed form PVC Type I, ASTM D 1784 Cell Classification 12454. All valves shall be maintenance free seal unit construction with EPDM seat and weighted disc. All valves shall have external flow arrow direction designation. All valves shall be dual-fit design with Buna-N Compression Gaskets for use with either IPS sizes 11/4" or 11/2" pipe. All valves shall be pressure rated to 150 psi for water @ 73oF in full flow (open) position and to 75 psi @ 73oF back pressure (closed), as manufactured by Spears® Manufacturing Company.

尺寸
Dimensions

不适用于压缩空气或气体
NOT FOR USE WITH COMPRESSED
AIR OR GASES

 

特点 - PVC白和PVC透明
Features - PVC White & PVC Clear

  美国斯毕尔公司水坑泵旋启式止回阀是一种高性能专业阀门,适用于水坑泵排放管道,如图所示。这种紧凑型阀门也是一种无需维护的密封止回阀,配置经久耐用的EPDM弹性材料阀座和加重阀瓣,可实现全流量,最大限度减少流体流动阻力,实现积极有效的关闭。采用PVC白材料制造,配置压缩型连接端口。可提供配置Buna-N衬垫的双用结构,可用于通径DN32和DN40管道。
  Spears® Sump Pump Swing Check Valves provide a high performance specialty valve engineered for use on sump pump discharge lines, as illustrated. This compact valve is a maintenance free sealed Check Valve featuring long-life EPDM elastomer seats and weighted disc for full-flow with minimal restriction and positive shutoff. Produced in PVC White with compression type end connectors. Dual-fit design is available with Buna-N Gaskets for both 11/4" and 11/2" pipe.

  • 全塑料结构,配置弹性材料密封 - 无金属部件
    All Plastic Construction with Elastomer Seals - No Metal Parts
  • 包括配置Buna-N衬垫的压缩连接端口,可用于通径DN32或DN40的管道
    Includes Compression End Connectors with Buna-N Gaskets for Use on Either 11/4" or 11/2" Pipe
  • 斜角阀座和加重拍击阀瓣,可实现低压密封
    Angled Seat and Weighted Flapper for Low-Pressure Seal
  • 压力等级为150 psi @ 23oC全流量(开启),和75 psi @ 23oC回压(关闭)
    Pressure Rated to 150 psi @ 73oF Full-Flow (open) and 75 psi @ 73oF Back Pressure (closed)
  • 适用于垂直朝上或水平安装
    Suitable for Vertical Up-flow or Horizontal Installations

  一般安装信息:水坑泵旋启式止回阀既可安装在垂直朝上(参阅图示)的泵排放管道上,也可安装在水平的泵排放管道上。安装止回阀必须使阀门上的流向箭头指向流体介质流动的方向。在水平安装时,箭头标志一侧必须朝上。不要朝下安装止回阀。
  General Installation Information: Sump Pump Swing Check Valves may be installed in either vertical up-flow (see illustration) or horizontal positions on pump discharge line. Check valves MUST be installed with the valve's FLOW arrow pointing in the direction of the flow. In horizontal installations, the designated side must be positioned "up". Do Not install Check Valve upside down.

水坑泵旋启式止回阀快速选型表
Quick-View Sump Pump Swing
Check Valve Selection Chart

阀门
通径

Valve
Size
阀座
材质

Seat
Material
PVC
材质
PVC
Material
压力等级
Pressure Rating
承插
Socket
DN32
11/4
EPDM S1400-012

150 psi @ 23oC全流量(开启)
75 psi回压(关闭)
150 psi @ 73oF Full Flow (Open)
75 psi Back Pressure (Closed)

DN40
11/2
EPDM S1400-015
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