蝶阀规格说明
Butterfly Valve Specifications
类型
Style |
法兰
Flanged |
材质
Material |
PVC, CPVC, 聚丙烯
PVC, CPVC, PP |
通径范围
Size Range |
PVC/CPVC = DN40 ~ DN300
PVC/CPVC = 11/2"
- 12"
聚丙烯 = DN40 ~ DN600(定制DN750 ~ DN1500)
PP = 11/2" - 24"
(custom 30" - 60") |
压力额定值
Pressure Rating |
DN40 ~ DN300 = 150 psi @ 23oC
11/2" - 12"
= 150 psi @ 73oF
DN350 = 100 psi @ 23oC
14" = 100 psi @ 73oF
DN400 = 85 psi @ 23oC
16" = 85 psi @ 73oF
DN450 = 70 psi @ 23oC
18" = 70 psi @ 73oF
DN500 ~ DN600 = 50 psi @ 23oC
20" - 24" = 50 psi @ 73oF |
阀座和密封
Seats & Seals |
在PVC/CPVC材质阀门上是Buna-N, EPDM或Viton®;在聚丙烯材质阀门上是EPDM或Viton®。
Buna-N, EPDM or Viton® on PVC/CPVC valves;
EPDM or Viton® on Polypropylene valves |
螺栓模式
Bolt Pattern |
美国国家标准化组织ANSI磅级125/150
ANSI Class 125/150 |
特殊阀门备选件和附件
Special Valve Options & Accessories
- “真法兰”类型工厂安装法兰(仅限于PVC和CPVC阀门)
"True-Lug" style factory installed lugs
(PVC & CPVC valves only)
- Teflon®涂敷不锈钢阀杆
Teflon® coated stainless steel stem
- 钛和哈司太勒合金钢阀杆
Titanium & Hastaloy Stems
- PTFE封包阀门阀座
PTFE encased valve seat
- 现场安装法兰内嵌件装置
Field installable Lug Insert sets
- 阀杆加长件
Stem Extensions
- 阀座和密封更换组件
Seat & Seal Replacement Kits
- DN750 ~ DN1500聚丙烯阀门(请联系美国斯毕尔公司了解细节)
30" - 60" Polypropylene valves (contact
Spears® for details)
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)
- 60 psi或40 psi工作气源
60 psi or 40 psi Operating Pressure
- 分离式强制手动操作装置
Declutchable Manual Override
- 气动和Electro气动定位器
Pneumatic & Electro Pneumatic Positioners
- 3通和4通电磁阀
12伏直流电,24伏直流电,115伏交流电,230伏交流电
美国全国电气制造商协会NEMA 4/4x和4, 4x, 7, 7标准
3 & 4 Way Solenoid Valves
12 VDC, 24 VDC, 115 VAC, 230 VAC
NEMA 4/4x & 4,4x, 7, 7 rating
- 双电源电磁阀
Dual Power Solenoids
- 输出信号限位开关
Output Signal Limit Switches
- 标准配置限位开关
Standard Limit Switches
- 拱形位置指示器
Dome Position Indicator
- 不锈钢仪表装置
Stainless Steel Gauge Sets
- 定制ID标签
Customized ID Tags
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标准2位执行器规格说明
Standard 2-Position Actuator Specifications
类型
Type |
双活塞 • 齿条和齿轮
Dual piston • rack & pinion
• 可调节止动装置
• adjustable stop |
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 |
80 psi |
气源连接端口
Air Connection |
DN8 ~ DN4,根据执行器而定
1/4"
- 1/8" Depends on Actuator |
基本强制手动操作装置
Basic Manual Override |
标准配置
Standard |
位置指示器
Position Indicator |
指针式 - 标准配置
Pointer-Standard |
主体
Body |
硬阳极化铝
Hard anodized aluminum |
盒盖
End Caps |
环氧树脂涂敷铝
Epoxy coated aluminum |
注:请联系美国斯毕尔公司了解有关通径DN350及以上阀门的信息。
Note:
Contact Spears® for information on valve sizes 14" and larger. |
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工程规格说明书范文
Sample Emgineering Specification
所有气动蝶阀结构材料应该采用PVC类型I分类12454或CPVC类型IV分类23447,或抗紫外线聚丙烯。所有阀门阀座和O形环材质应该是Buna-N,
EPDM或Viton®。阀座应该是无衬里类型并与阀体联锁在一起。螺栓孔模式应该符合美国国家标准化组织和美国机械工程师协会ANSI/ASME
B16.5磅级125/150。阀瓣应该是偏置结构并配置316不锈钢阀杆。在水温23oC条件下,阀门压力额定值应该是[从规格说明中选择]。气动执行器应该在工厂安装,双活塞,齿条和齿轮结构带可调节止动装置。工作方式为气-到-气(双作用),气源压力为80
psi。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 pneumatic actuated Butterfly valves
shall be constructed from PVC Type I Cell Classification 12454 or
CPVC Type IV Cell Classification 23447 or UV stabilized Polypropylene.
All valve seats and O-rings shall be Buna-N, EPDM or Viton®.
Seat shall a non-liner type inetrlocked to valve body. Bolt hole
pattern shall conform to ANSI/ASME B16.5 CL 125/150. Disc shall
be offset design with Type 316 stainless steel stem. Valves shall
be pressure rated at [select from specification] for water at 73oF.
Pneumatic Actuators shall be factory installed, dual piston, rack
& pinion design with adjustable stops. Operation shall be AIr-to-Air
(double acting) for 80 psi supply pressure. Actuator shall be equipped
with [selected options list] as manufactured by Spears® Manufacturing
Company. |
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