Products

A Type Butterfly Valve

Size:
DN50-DN300
Pressure:
PN10,PN16,10K,CLASS150
Body Materials:
DI
Disc Materials:
CF8M
Seat Materials:
EPDM
Applicable Medium:
Water,Oil etc
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Product Introduction

No. Partname Material
1 Body DI
2 Seat EPDM
3 Seat EPDM
4 Disc CF8M
5 Stem 45
6 Pin SS316
7 Nut 45
8 Bolt 45
9 Lever GGG40

A Type Butterfly Valve
A Type Butterfly Valve

Product Features

1. Simple structure, small external size, short structure length, small volume, light weight, suitable for large diameter valves.
2. When fully open, the effective flow area of the seat channel is large and the fluid resistance is small.
3. Convenient opening and closing, fast, good adjustment performance.
4. The opening and closing moment is small, because the butterfly plate on both sides of the rotating shaft is basically equal to the action of the medium, and the direction of the torque is opposite, so the opening and closing is less effort.
5. Sealing surface materials are generally rubber and plastic, so the low-pressure sealing performance is good.

Technical Parameters

A Type Butterfly Valve

SIZE H1 H2 φA DB L φD φD1 4-φd
DN IN
300 12" 219 311 φ420 φ350 74 φ125 φ102 4-φ12
250 10" 191 170 φ362 φ350 66 φ125 φ102 4-φ12
200 8" 175 258 φ295 φ290 59 φ125 φ102 4-φ12
150 6" 135 203 φ240 φ240 55 φ90 φ70 4-φ10
125 5” 124.5 187.5 φ210 φ210 54 φ90 φ70 4-φ10
10 4" 106.5 169.5 φ180 φ175 51.5 φ90 φ70 4-φ10
80 3” 93 151 φ160 φ150 45 φ50 φ50 4-φ8
65 2 1/2” 79.5 141.5 φ145 φ139.5 44 φ50 φ50 4-φ8
50 2" 73 135 φ125 φ120 42 φ50 φ50 4-φ8

Technical Standard

1.Design and manufacture according to BS5155.
2.Face to face according to API609.
3.Flange drilling according to CLASS 150/PN10/PN16/10K
4.Top flange drilling according to ISO 5211.
5.Pressure test according to API598.

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