High safety: Used in non electrical environments, there are no external energy hazards

Valve body parameters

Energy saving: No need for external energy, utilizing pipeline pressure regulation

Nominal pressure PN16 PN40、PN64

Simplified system: No need for external control instruments, simple system, low cost

Connection method: flange type, (special: welding type)

Easy to operate: simply rotate and adjust the spring extension during setting

Valve body material 1Cr18Ni9Ti Cr18Ni12Mo2Ti

technical parameter

Valve core material 1Cr18Ni9Ti Cr18Ni12Mo2Ti、 Sitailai welding

Action mode: U control valve in front, D control valve behind

Sealing material PTFE, hard seal, special high-temperature material

Valve seat structure P single seat M sleeve

Bellows SS SS304、SS316

Flow characteristics P single seat M socket

Packing PTFE, flexible graphite

Adjustable range 30:1, maximum 10:1; Minimum 10:8

Push rod Lining 2Cr13

Sealing grade II, IV, VI

Gasket rubber asbestos board, 1Cr18Ni9Ti asbestos wrapped gasket

Thin film actuator (set value ≤ 6bar), piston actuator (>6bar)

Flange standard GB9113-88 JB/T79-94、GB2555-81

Adjustment accuracy ± 5%

Specially made flange ANSI JIS、DIN

Function attachment options

Fluid temperature

C3Group -30 ℃~150 ℃

- With condenser (suitable for high-temperature media such as steam)

C4Group -30 ℃~180 ℃

- Equipped with a commander and micro pressure adjustment

C7Group -30 ℃~350 ℃

Main technical parameters and performance indicators

Nominal diameter DN (mm)

20

25

32

40

50

65

80

100

125

150

200

250

300

Rated flow coefficient Kv

7

11

20

30

48

75

120

190

300

480

760

1100

1750

Rated stroke (mm)

8

10

14

20

25

40

50

60

70

Pressure regulation range (KPa)

15～50 40～80 60～100 80～140 120～180 160～220 200～260 240～300 280～350 330～400 380～450 430～500 480～560 540～620 600～700 680～800 780～900 880～1000 980～1500 1000～2500

Allowable leakage amount

Hard seal (l/h)

Single seat: ≤ Rated capacity of 10-4 valves (Class IV); Double seat, sleeve: ≤ 5 × 10 ˉ 3 valve rated capacity (Class II)

Soft seal (ml/h)

0.15 0.30 0.45 0.60 0.90 1.7 4.0 6.75 11.10 16.0

Pressure reduction ratio

maximum

10

minimum

1.25

External dimensions and weight Company: mm

Nominal diameter DN

20

25

32

40

50

65

80

100

125

150

200

250

300

Flange connection size B

383

512

603

862

1023

1380

1800

2000

2200

Flange end distance L

150

160

180

200

230

290

310

350

400

480

600

730

850

Pressure
power
transfer
section
Fan
around
KPa

15-140

H

475

520

540

710

780

840

880

915

940

1000

A

280

308

280-500

H

455

500

520

690

760

800

870

880

900

950

A

230

120-300

H

450

490

510

680

750

790

860

870

890

940

A

176

194

280

480-1000

H

450

480

670

740

780

850

860

880

930

A

176

194

280

600-1500

H

445

570

600

820

890

950

1000

1100

1200

A

85

96

100-2500

H

445

570

600

820

890

950

1000

1100

1200

A

85

96

Weight kg

26

37

42

72

90

114

130

144

180

200

250

Pressure connector thread

M16*1.5