Marine Midline Butterfly Valve

Marine Midline Butterfly Valve

Marine Midline Butterfly Valve

1. Material:

(1). Body: Bronze/steel

(2). Disc: Bronze/SS

(3). Stem: Bronze/steel/SS

(4). Seal ring: NBR/FPM

(5). Remark:

NBR: for fresh water, sea water, air and oil -like medium

FPM: for fresh water, sea water, air, corrosive medium or high temperature.

2. Medium:

This product is applicable to sea water, fresh water, air and crude oil or finished oil no higher thn 70℃.

3. Parameter:

(1). Nominal pressure: 1.0 MPa

(2). Standard of flange connection accords to GB2501-89.

(3). Standard of structure length accords to GB/T 12221-89.

4. Drawing:

drawing.jpg

5. Main external and connection size:

DN STRUCTURE LENGTH FLANGE DIMEMSION WAFER TYPE FLANGE TYPE DRIVE DEVICE DIMENSION
H H1 L D C n-d n-d H2 L1
50 187 72 43 165 125 2-Ф18 4-M16 35 260
65 203 79.5 46 185 145 2-Ф18 4-M16 35 260
80 228 102 46 200 160 4-Ф18 8-M16 35 260
100 268 111 52 220 180 4-Ф18 8-M16 35 260
125 298 125 56 250 210 4-Ф18 8-M16 35 260
150 326 141.5 56 285 240 4-Ф22 8-M20 35 340
200 374 167 60 340 295 4-Ф22 8-M20 45 340
250 449.5 199.5 68 395 350 4-Ф22 12-M20 60 360

6. Warranty: one year.

7. Packing: wooden case.

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