工程规格说明书范文
Sample Engineering Specification
所有热塑性塑料球阀应该是单入口类型球阀，结构材料为PVC类型I，ASTM D 1784分类12454或CPVC类型IV，ASTM D
1784分类23447。所有O形环材质应该是Buna-N，EPDM或Viton®。所有阀门应该配置Safe-T-Shear®商标阀杆和双制动聚丙烯手柄。所有阀门活接头螺母应该是锯齿螺纹。所有阀门部件应该是可更换的。所有阀门应该获得美国国家卫生基金会NSF国际部认证可用于饮用水。在水温23oC条件下，所有DN15~DN50阀门压力等级应该是235
psi，所有DN80~DN100通径阀门压力等级应该是150 psi，并由美国斯毕尔制造公司制造。
All thermoplastic ball valves shall be Single
Entry type constructed from PVC Type I, ASTM D 1784 Cell Classification
12454 or CPVC Type IV, ASTM D 1784 Cell Classification 23447. All O-rings
shall be Buna-N, EPDM or Viton®. All valves shall have Safe-T-Shear®
stem and double stop Polypropylene handle. All valve union nuts shall
have Buttress threads. All valve components shall be replaceable. All
valves shall be certified by NSF International for use in potable water
service. All 1/2" - 2" valves shall be
pressure rated at 235 psi and all 3" - 4 " valves shall be pressure
rated at 150 psi for water at 73oF, as manufactured by Spears®
Manufacturing Company. |
|
特点 - PVC灰，PVC白
Feartures - PVC Gray, PVC White
这种90度旋转关闭阀在工业和化工处理、草场和灌溉、以及泳池和温泉区领域被广泛选用。可提供PVC灰或PVC白材质，国际管道标准IPS通径DN15~DN100，承插、螺纹或法兰连接端口的阀门供选择，还可提供DN150通径、承插或螺纹连接端口的阀门。注：密封托架没有支撑（参阅真活接True
Union 2000阀门）。
This quarter-turn shutoff valve is widely chosen
for industrial and chemical processing, turf and irrigation, plus pool
and spa applications. Available in PVC Gray or PVC White, IPS Sizes 1/2"
- 4" available with socket, threaded or flanged end connectors, 6"
size with socket or threaded end connectors. Note: Seal
carrier is NOT blocked (see True Union
2000 Valves).
- 耐化学品和耐腐蚀的PVC灰或PVC白材料结构
Chemical & Corrosion Resistant PVC Gray or
PVC White Construction
- 管道壁厚标准Schedule 80全径结构
Schedule 80 Full-Bore Design
- 坚固的锯齿螺纹活接头螺母
Strong, Buttress Thread Union Nut
- 高强度、抗冲击聚丙烯手柄
High Impact Polypropylene Handle
- 美国斯毕尔公司单O形环Safe-T-Shear®商标阀杆结构
Spears® Single O-ring Safe-T-Shear® Stem
Design
- Buna-N，EPDM或Viton®材质O形环
Buna-N, EPDM or Viton® O-rings
- 自我调节PTFE材质浮动阀座结构
Self Adjusting PTFE Floating Seat Design
- 完全可维修、可更换的部件
Fully Serviceable, Replaceable Components
- 通径DN15~DN50阀门压力等级为235 psi @ 23oC，通径DN80~DN100阀门压力等级为150
psi @ 23oC
Sizes 1/2" - 2"
Pressure Rated to 235 psi @ 73oF, Sizes 3" - 4"
Pressure Rated to 150 psi @ 73oF
- 美国国家卫生基金会NSF认证可用于饮用水
NSF Certified for Potable Water use
- 适用于真空应用场合
Suitable for Vacuum Service
- 采用无硅树脂、水溶性润滑剂组装而成
Assembled with Silicone-Free, Water Soluble Lubricant
- 制造符合美国材料实验协会ASTM F 1970标准
Manufactured to ASTM F 1970
|
