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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真活接True Union 2000工业球体止回阀，制造标准符合美国材料实验协会ASTM F 1970，结构材料符合PVC类型I，ASTM
D 1784分类12454或CPVC类型IV，ASTM D 1784分类23447。所有O形环应该是EPDM或Viton®。所有阀门活接头螺母应该是锯齿螺纹。所有阀门阀座应该是标准O形环类型。所有密封托架应该是Safe-T-Blocked®结构。所有阀门部件应该是可更换的。所有阀门应该通过美国国家卫生基金会认证，确认可用于饮用水应用场合。在水温23oC条件下，所有PVC和CPVC材质且通径DN15至DN100的阀门压力等级应该是235
psi，所有DN150和DN200文氏管阀门和所有法兰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 check valves shall be True Union
2000 Industrial Ball Check type manufactured to ASTM F 1970 and 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 EPDM or Viton®.
All valve union nuts shall have Buttress threads. All valve seats shall
be a standard O-ring type. All seal carriers shall be Safe-T-Blocked®.
All valve components shall be replaceable. All valves shall be certified
by NSF International for use in potable water service. All PVC and CPVC
1/2" through 4" valves shall be pressure rated
to 235 psi, all 6" and 8" Venturied and all flanged valves shall
be pressure rated to 150 psi for water at 73oF as manufactured
by Spears® Manufacturing Company.
快速阀门选型表
Quick-View Valve Selection Chart
阀门
通径
Valve
Size |
O形环
材质
O-ring
Material |
PVC阀门型号1
PVC Part Number1 |
压力
等级
Pressure
Rating |
承插
Socket |
螺纹
Threaded |
特别加固螺纹
SR Threaded |
法兰
Flanged |
套管
Spigot |
DN15
1/2 |
EPDM |
4529-005 |
包括
included |
4521-005SR |
4523-005 |
4527-005 |
235 psi
非冲击性水
@ 23oC
235 psi
Non-Shock
Water
@73oF
法兰
150 psi
非冲击性水
@ 23oC
Flanged
150 psi
Non-Shock
Water
@73oF
|
| Viton® |
4539-005 |
包括
included |
4531-005SR |
4533-005 |
4537-005 |
DN20
3/4 |
EPDM |
4529-007 |
包括
included |
4521-007SR |
4523-007 |
4527-007 |
| Viton® |
4539-007 |
包括
included |
4531-007SR |
4533-007 |
4537-007 |
DN25
1 |
EPDM |
4529-010 |
包括
included |
4521-010SR |
4523-010 |
4527-010 |
| Viton® |
4539-010 |
包括
included |
4531-010SR |
4533-010 |
4537-010 |
DN32
11/4 |
EPDM |
4529-012 |
包括
included |
4521-012SR |
4523-012 |
4527-012 |
| Viton® |
4539-012 |
包括
included |
4531-012SR |
4533-012 |
4537-012 |
DN40
11/2 |
EPDM |
4529-015 |
包括
included |
4521-015SR |
4523-015 |
4527-015 |
| Viton® |
4539-015 |
包括
included |
4531-015SR |
4533-015 |
4537-015 |
DN50
2 |
EPDM |
4529-020 |
包括
included |
4521-020SR |
4523-020 |
4527-020 |
| Viton® |
4539-020 |
包括
included |
4531-020SR |
4533-020 |
4537-020 |
DN65
21/2 |
EPDM |
4522-025 |
4521-025 |
4521-025SR |
4523-025 |
4527-025 |
| Viton® |
4532-025 |
4531-025 |
4531-025SR |
4533-025 |
4537-025 |
DN80
3 |
EPDM |
4522-030 |
4521-030 |
4521-030SR |
4523-030 |
4527-030 |
| Viton® |
4532-030 |
4531-030 |
4531-030SR |
4533-030 |
4537-030 |
DN100
4 |
EPDM |
4522-040 |
4521-040 |
4521-040SR |
4523-040 |
4527-040 |
| Viton® |
4532-040 |
4531-040 |
4531-040SR |
4533-040 |
4537-040 |
DN150
6 |
EPDM |
4522-060 |
4521-060 |
4521-060SR |
4523-060 |
4527-060 |
150 psi
非冲击性水
@ 23oC
150 psi
Non-Shock
Water
@73oF |
| Viton® |
4532-060 |
4531-060 |
4531-060SR |
4533-060 |
4537-060 |
DN2002
82 |
EPDM |
4522-080 |
- |
- |
4523-080 |
- |
| Viton® |
4532-080 |
- |
- |
4533-080 |
- |
- 对于CPVC材质阀门，将字母“C”加在型号上，例如：4529-005C，4521-005CSR
For CPVC valve, add the letter "C"
to the part number (e.g., 4529-005C, 4521-005CSR)
- DN200文氏管阀门是由DN150阀门配置DN150 x DN200端口连接适配器构成的。
8" Venturied Valves are 6" ball
valves fitted 6x8 end connector adapters.
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特点 - PVC，CPVC
Features - PVC, CPVC
在工业和化学处理应用中，流体试验设计证明能够迅速反应并实现绝对密封，有效防止系统回流。这种阀门可提供国际管道标准IPS通径DN15至DN150，承插/常规螺纹、SR螺纹（特别加固）、法兰或套管连接端口阀门，以及带有承插或法兰连接端口的DN200文氏管阀门。也可提供公制和英制螺纹、通径DN15至DN50的阀门。
Flow tested design provides quick response with
positive seal for prevention of system back flow in industrial and chemical
processing applications. Valves are available in IPS sizes 1/2"
through 6" with socket/regular thread, SR threaded (Special Reinforced),
flanged or spigot end connectors and 8" venturied valve with socket
or flanged ends. Also available in metric socket and BSP thread sizes
1/2" through 2"
- 耐化学品和耐腐蚀的PVC或CPVC结构
Chemical & Corrosion Resistant PVC or CPVC
Construction
- 还可提供美国斯毕尔公司LXT™高纯度，低离子含量的PVC材质阀门
Also Avaliable in Spears® LXT™ High
Purity, Low Extractable PVC Material
- 坚固的锯齿螺纹活接头螺母
Strong, Buttress Thread Union Nuts
- 美国斯毕尔公司Safe-T-Blocked®商标密封托架
Spears® Safe-T-Blocked® Seal Carrier
- 采用标准O形环阀座
Uses Standard O-ring Seat
- EPDM或Viton®材质的O形环
EPDM or Viton® O-rings
- 完全可维修、完全可更换的部件
Fully Serviceable, Replaceable Components
- 通径DN15~DN100阀门的压力等级为235 psi @ 23oC
通径DN150和DN200文氏管阀门和所有法兰阀门压力等级为150 psi @ 23oC
Sizes 1/2" - 4" Pressure
Rated to 235 psi @ 73oF, Sizes 6" and 8" Venturied
and all Flanged Pressure Rated to 150 psi @ 73oF
- 可适用于水平安装或垂直安装
Suitable for Either Horizontal or Vertical Installations
- 美国国家卫生基金会NSF认证可用于饮用水应用场合
NSF Certified for Potable Water use
- 适用于真空应用场合
Suitable for Vacuum Service
- 采用无硅树脂的水溶性润滑剂组装而成
Assembled with Silicone-Free, Water Soluble Lubricants
- 根据美国材料实验协会ASTM F 1970标准制造
Manufactured to ASTM F 1970
备选附件*
Optional Accessories*
- 用于阀门更换的Retro-Fit端口连接件套件
Retro-Fit End Connector Sets for Valve Replacement
- 用于活接头螺母更换的对开螺母维修组件
Split-Nut Repair Kits for Union Nut Replacement
- 增补的端口连接件
Supplemental End Connectors
* 请参阅“球阀附件”章节了解各个产品的详细资料。
* See "BALL
VALVE ACCESSORIES" section for details of individual products.
球体止回底阀
Ball Check Foot Valves
从球阀附件中选用备选的底阀过滤适配器，可以轻易地将美国斯毕尔公司球体止回阀转化为底阀。
Spears® Ball Check Valves easily convert to
foot valves utilizing optional Foot Valve Screen adapters found in Ball
Valve Accessories section.
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