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SPZ673 double drive pneumatic knife gate valve


SPZ673 double drive pneumatic knife gate valve
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Sales: 021-31007323
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SPZ673 双驱动 气动刀型闸阀 简介: I. Brief introduction of SPZ673 double drive pneumatic knife gate valve :
双驱动气动刀型闸阀广泛用于自来水、污水、建筑、石油、化工、食品、医药、轻纺、电力、船舶、冶金、能源系统等体管线上作为调节和截流装置使用。 SPZ673 double- acting pneumatic knife gate valve is widely used as a regulating and shut-off device in the pipelines of tap water, sewage, construction, petroleum, chemical, food, medicine, textile, power, marine, metallurgy, energy systems, etc.

SPZ673双驱动气动刀型闸阀

SPZ673 双驱动气动刀型闸阀工作原理: Working principle of SPZ673 double drive pneumatic knife gate valve:
双驱动气动刀型闸阀具有气动执行机构 ( 双层气缸并带有缓冲机构 ) 和手动及其保护机构 ( 手动和可自锁的气动手动转换装置 ) 的低支架明杆闸阀。 SPZ673 double- acting pneumatic knife gate valve has a pneumatic actuator ( double-layer cylinder with buffer mechanism ) and a low-bracket open rod gate valve with manual and its protection mechanism ( manual and self-locking pneumatic manual switching device ) . The overhang of the upper part of the handwheel indicates the rise and fall of the lever, which indicates whether the valve's shutter is in a lifted or lowered state. When the gate valve is closed, the extension indicator rod is at the lowest position; otherwise, when the gate valve is fully open, the extension indicator rod is at the highest position. This is the on-site indication of the valve opening and closing status.
SPZ673 双驱动气动刀型闸阀特点: Three, SPZ673 double drive pneumatic knife gate valve features:
、流动阻力小。 1. Small flow resistance. The medium channel inside the valve body is straight through, the medium flows in a straight line, and the flow resistance is small.
、启闭时较省力。 2. Less effort when opening and closing. Compared with the shut-off valve, whether it is open or closed, the direction of movement of the gate is the same as that of the medium.   To the phase.
、高度大,启闭时间长。 3 , high height, long opening and closing time. The opening and closing stroke of the shutter is large, and the lowering is performed by the screw.
、水锤现象不易产生。 4 , water hammer phenomenon is not easy to produce. The reason is the long shutdown time.
、介质可向两侧任意方向流动,易于安装。 5. The medium can flow in any direction on both sides, which is easy to install. Gate valve channels are symmetrical on both sides.
、结构长度 ( 系壳体两连接端面之间的距离 ) 较小。 6 , the structural length ( the distance between the two connecting end faces of the shell ) is small.
、形体简单,结构长度短,制造工艺性好,适用范围广。 7 , simple shape, short structure length, good manufacturing process, wide application range.
、结构紧凑,通道流畅,流阻数小,密封面采用不锈钢和硬质合金,使用寿命长,采用 PTFE 填料,密封可靠,操作轻便灵活。 8 , compact structure, smooth channel, small flow resistance number, sealing surface using stainless steel and hard alloy, long life, PTFE packing, reliable sealing, light and flexible operation
SPZ673 双驱动气动刀型闸阀主要性能规范: Fourth, SPZ673 double drive pneumatic knife gate valve main performance specifications:

   MPa) Nominal pressure ( MPa)

MPa) Shell test ( MPa)

MPa) Seal test ( MPa)

Operating temperature

Applicable medium

1.0

1.5

1.1

100 100

Pulp, sewage, coal slurry, ash, slag water mixture

1.6

2.4

1.8

100 100

SPZ673 双驱动气动刀型闸阀主要零部件材质: Material of main parts of SPZ673 double drive pneumatic knife gate valve:

Body, cover

gate

Valve stem

Sealing surface

Stainless steel, carbon steel, gray cast iron

Carbon steel, stainless steel

stainless steel

Rubber, PTFE, stainless steel, cemented carbide

SPZ673 双驱动气动刀型闸阀主要外形及连接尺寸 (mm) Seven, SPZ673 double drive pneumatic knife gate valve main shape and connection size (mm) :

SPZ673双驱动气动刀型闸阀主要外形及连接尺寸

MPa

DN

L

D1

D2

H

nM

MPa

DN

L

D1

D2

H

nM

1.0MPa

50

48

90

110

35 3 35

4-M12

1.6MPa

50

48

100

125

335

4-M16

65

48

110

130

363

4-M12

65

48

120

145

363

4-M16

80

51

125

150

395

4-M16

80

51

135

160

395

4-M16

100

51

145

170

465

4-M16

100

51

155

180

465

8-M16

125

57

175

200

530

8-M16

125

57

185

210

530

8-M16

150

57

200

225

630

8-M16

150

57

210

240

630

8-M20

200

70

255

280

750

8-M16

200

70

265

295

750

8-M20

250

70

310

335

900

12-M16

250

70

320

350

900

12-M20

300

76

362

395

1120

12-M20

300

76

368

400

1120

12-M20

350

76

412

445

1260

12-M20

350

76

428

460

1260

16-M20

400

89

462

495

1450

16-M20

400

89

482

515

1450

16-M22

450

89

518

550

1600

16-M20

450

89

532

565

1600

20-M22

500

114

568

600

1800

16-M20

500

114

585

620

1800

20-M22

600

114

670

705

2300

20-M22

600

114

685

725

2300

20-M27

700

127

775

810

2500

24-M22

700

127

800

840

2500

24-M27

800

127

880

920

2800

24-M27

800

127

898

950

2800

24-M30

900

154

980

1020

3100

27-M27

900

154

1005

1050

3100

28-M30

1000

165

1080

1120

3400

28-M27

1000

165

1115

1160

3400

28-M30

1200

190

1295

1340

3600

32-M30

1200

180

1325

1380

3600

32-M36

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