隔膜阀规格说明
Diaphragm Valve Specifications
类型
Style |
隔膜 • 堰式
Diaphragm • Weir type
• 完全可维修
• fully repairable |
材质
Material |
PVC, CPVC, 聚丙烯
PVC, CPVC, PP |
通径范围
Size Range |
DN15 ~ DN200
1/2"
- 8" |
压力额定值
Pressure Rating |
PVC和CPVC
PVC & CPVC
DN15 ~ DN50 = 235 psi @ 23oC
1/2"
- 2" = 235 psi @ 73oF
DN15 ~ DN50法兰 = 150 psi @ 23oC
1/2"
- 2" Flanged = 150 psi @ 73oF
DN65 ~ DN100 = 150 psi @ 23oC
21/2" - 4" =
150 psi @ 73oF
DN150 = 100 psi @ 23oC
6 " = 100 psi @ 73oF
DN200 = 75 psi @ 23oC
8 " = 75 psi @ 73oF
聚丙烯：
PP:
DN15 ~ DN100 = 150 psi @ 23oC
1/2"
- 4" = 150 psi @ 73oF
DN150 = 100 psi @ 23oC
6" = 100 psi @ 73oF
DN200 = 75 psi @ 23oC
8" = 75 psi @ 73oF
带PTFE隔膜：
With PTFE Diaphragm:
DN15 ~ DN100 = 150 psi @ 23oC
1/2"
- 4" = 150 psi @ 73oF |
隔膜
Diaphragm |
EPDM, Viton®, 或弹性材料衬背PTFE
EPDM, Viton®,
or elastomer backed PTFE |
端口连接件
End Connector |
PVC和CPVC = 真活接承插/螺纹，或套管阀体（DN15 ~ DN50）
PVC
& CPVC =
True Union socket/threaded, or Spigot Body (1/2"
- 2")
法兰阀体（DN15 ~ DN200）
Flanged Body (1/2"
- 8")
聚丙烯：
PP:
真活接螺纹（DN15 ~ DN50）
True Union threaded (1/2"
- 2")
法兰阀体（通径DN65 ~ DN200）
Flanged Body (sizes
21/2" - 8") |
特殊阀门备选件和附件
Special Valve Options & Accessories
- 隔膜和O形环更换组件
Diaphragm & O-ring Replacement Kits
- Hypalon® (CSM)材质隔膜
Hypalon® (CSM) Diaphragms
- EPDM衬背PTFE隔膜
EPDM backed PTFE Diaphragms
- Viton®衬背PTFE隔膜
Viton® backed PTFE Diaphragms
定制气动执行机构备选件和附件
Custom Pneumatic Actuation Options & Accessories
- 弹簧复位操作（故障安全）
Spring Return Operation (Fail Safe)
- 可视位置指示器
Visual Position Indicator
- 气动和Electro气动定位器
Pneumatic & Electro Pneumatic Positioners
- 3通和4通电磁阀
3 & 4 Way Solenoid Valves
- 小型限位开关
Micro Limit Switches
- 定制ID标签
Custom ID Tags
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标准2位执行器规格说明
Standard 2-Position Actuator Specifications
阀门通径
Valve Sizes |
DN15 ~ DN50
1/2"
- 2": |
类型
Type |
活塞 • 线性作用
Piston • Linear action |
标准工作方式
Standard Operation |
气-到-气（双作用）
Air-to-Air (double acting) |
气源压力
Supply Pressure |
40-100 psi |
气源接口
Air Connection |
DN4
1/8" |
主体
Body |
PES（聚醚砜）
PES (Polyethersulphone) |
| |
|
阀门通径
Valve Sizes |
DN65 ~ DN150
21/2" - 4": |
类型
Type |
隔膜 • 线性作用
Diaphragm • Linear action |
标准工作方式
Standard Operation |
气-到-气（双作用）
Air-to-Air (double acting) |
标准气源压力
Standard Operating
Pressure |
40-100 psi |
气源接口
Air Connection |
DN8（DN8和）
1/4"
(3" & 4" valves) |
阀体
Body |
聚酯涂敷
Polyester coated |
| |
|
阀门通径DN150 ~ DN200
Valve Sizes 6" - 8" |
待公布
TBA |
| |
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工程规格说明书范本
Sample Emgineering Specification
所有气动隔膜阀连接方式应该是真活接承插/螺纹或法兰或套管类型，结构材料应该是PVC类型I分类12454或CPVC类型IV分类23447或抗紫外线聚丙烯。所有阀门隔膜材质应该是EPDM或Viton®或Hypalon®或弹性材料衬背PTFE。所有真活接阀门螺母应该采用锯齿螺纹。所有阀门部件应该是可更换的。在水温23oC条件下，所有DN15至DN50阀门压力额定值应该是235
psi，所有DN65至DN100阀门、DN15 ~ DN100法兰阀门和DN15 ~ DN100隔膜材质为PTFE的阀门压力额定值应该是150
psi，所有DN150阀门压力额定值应该是100 psi，而所有DN200阀门压力额定值应该是75 psi。气动执行器应该是工厂安装，线性类型并预置止动装置。工作方式应该是气-到-气（双作用），气源压力在40
~ 100 psi范围之间。执行器应该配置[从备选件清单中选择]，并由美国斯毕尔制造公司制造。
All pneumatically actuated diaphragm valves
shall be True Union Socket/Thread or Flanged or Spigot type constructed
from PVC Type I Cell Classification 12454 or CPVC Type IV Cell Classification
23447 or UV Stabilized PP. All valve diaphragms shall be EPDM or
Viton® or Hypalon® or elastomer backed PTFE. All True Union
valve nuts shall have Buttress threads. All valve components shall
be replaceable. All 1/2" through 2"
valves shall be pressure rated to 235 psi, all 21/2"
through 4" valves, 1/2" - 4"
flanged valves and 1/2" - 4" PTFE
diaphragm valves to 150 psi, all 6" valves to 100 psi, and
all 8" valves to 75 psi for water at 73oF. Pneumatic
Actuators shall be factory installed, linear type with preset stops.
Operation shall be Air-to-Air (double acting) for 40 - 100 psi supply
pressure range. Actuator shall be equipped with [selected options
list] as manufactured by Spears® Manufacturing Company. |
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