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ZWF011
螺丝连接
Threaded
250磅WWP青铜止回阀
消防(防火)阀门.阀内提升式.橡胶阀瓣.弹簧驱动
250PSI /17.2 Bar 非冲击性冷水工作压力
符合MSS SP-80标准
250Ib. WWP Bronze Ring Check .Valves
Fire Protection Valve Inline Lift Type. Rubber Discs. Spring Actuated
250PSI/17.2 Bar Non-Shock Cold Working Pressureu
CONFORMS To MSS SP-80
.
沃尔达止回阀可以安装在水平管道和流向朝上的垂直管道上的任何中间位置上.
WORLD check valves may be installed in both horizontal and vertical lines with upward flow or in any intermediate position.

警告:如果管道内使用往算式空气压缩机,则阀门必须安装在接收机槽的下游位置上.
WARNING -Valve must be installed downstream of receiver tank if used in line with reciprocating air compressor


材料清单
MATERIAL LIST
 
部件PART
规格说明SPECIFICATION
1
阀体
Body
青铜ASTM B 584 合金C84400
Bronze ASTM B 584 Alloy C84400
2
阀杆
Stem
不锈钢ASTM A 582 合金C30300
Stainless Steel ASTM A 582 Alloy C30300
3
弹簧
Spring
316不锈钢
316 Stainless Steel
4
阀瓣固定装置
Disc Holder
不锈钢类型301
Stainless Steel Type 301
5
阀瓣
Disc
水,油或气(Buna-N)
Water, Oil or Gas(Buna-N)
6
阀座螺丝
Seat Screw
不锈钢ASTM A 276 合金S43000
Stainless Steel ASTM A 276 Alloy S34000
7
阀体端口
Body End
青铜ASTM B 584 合金C84400
Bronze ASTM B 584 Alloy C84400

    尺寸-重量
      DIMENSIONS - WEIGHTS
DN
尺寸 Dimensions
重量 Weight
每箱数量 Master Ctn Qty
A
B
C
英寸 In
毫米 mm
英寸 In
毫米 mm
英寸 In
毫米 mm
英寸 In
毫米 mm
磅 Lbs
公斤 Kg
3/8
10
2.00
51
1.38
35
1.44
37
0.41
0.19
100
1/2
15
2.06
52
1.38
35
1.19
30
0.36
0.16
100
3/4
20
2.25
57
1.63
41
1.31
33
0.48
0.22
100
1
25
2.63
67
2.00
51
1.50
38
0.77
0.35
50
1 1/4
32
2.94
75
2.38
60
1.69
43
1.14
0.51
30
1 1/2
40
3.31
84
2.75
70
2.00
51
1.63
0.74
30
2
50
3.69
94
3.38
86
2.31
59
2.27
1.03
10

订购:ZWF011有标准Buna-N 阀瓣.也可以提供配置聚四氟乙烯阀瓣的ZWF011.DN10至DN50需要DN15磅压力才能开户.
Ordering:The ZWF011 has standard Buna-N Discs.Also available with TFE(Y)Discs;specify ZWF011.3/8" thru 2" require 1/2 pound pressure to open.

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