Huaguang Valve Co., Ltd
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Cast steel flange hard seal gate valve Z41H-16/25C
Stable quality: Implement full process quality monitoring, meticulous and all-round testing! Reasonable price: Efficient internal cost control reduces
Product details


Z41H-16/25CCast steel flange hard seal gate valveintroduce

Z41H cast steel flange gate valveCompact structure, reasonable design, good valve rigidity, smooth channel, and low flow resistance coefficient. The sealing surface is made of stainless steel and hard alloy, with a long service life. Adopting flexible graphite packing board, reliable sealing, and easy and flexible operation. Drive modes include manual, electric, pneumatic, gear transmission, and structural form; Elastic wedge single valve, rigid wedge single valve plate, and double gate type.Widely applicable as an opening and closing device for connecting or cutting off the medium in oil and steam pipelines such as petrochemicals and thermal power plants.

Z41H-16/25CCast steel flange hard seal gate valvecharacteristic

1. The selection of materials is meticulous, in compliance with relevant standards, and the overall quality of the materials is high.
2. Reliable sealing, excellent performance, and beautiful appearance.
3. The sealing pair is advanced and reasonable, and the sealing surfaces of the gate and valve seat are made of Stellite cobalt based hard alloy with different hardness by welding. The sealing is reliable, with high hardness, wear resistance, high temperature resistance, corrosion resistance, good scratch resistance, and long service life.
4. The valve stem has undergone quenching and surface nitriding treatment, exhibiting excellent corrosion resistance, abrasion resistance, and wear resistance.
5. Adopting a wedge-shaped elastic gate structure, thrust bearings are installed on the medium and large diameters, with low friction and equipped with an impact handwheel for easy and smooth opening and closing.
6. Various piping flange standards and flange sealing surface forms can be adopted to meet various engineering needs and user requirements.

Z41H-16/25CCast steel flange hard seal gate valveStructural diagram

Z41H-16/25CCast steel flange hard seal gate valvePart Material

Shell Material

Applicable Medium

Temperature

carbon steel(Ctype)

Water, steam, oil products

≤425

Chromium nickel titanium steel(Ptype)

Nitric Acid

≤200

Ci Ni Mo Ti Steel(Rtype)

Acetic acid

≤200

chromium molybdenum steel(Itype)

Water, steam, oil products

≤550

Z41H-16/25CCast steel flange hard seal gate valveperformance parameter

nominal pressure(MPa)

test pressure(MPa)

housing

seal(liquid)

seal(gas)

Upper seal

1.6

2.4

1.76

0.6

1.76

2.5

3.8

2.75

0.6

2.75

4.0

6.0

4.4

0.6

4.4

6.4

9.6

7.04

0.6

7.04

10.0

15.0

11.0

0.6

11.0

16.0

24.0

17.6

0.6

17.6

Z41H-16/25Ccast steelflangehard sealGate valveMain connection dimensions

size

DN

15

20

25

32

40

50

65

80

100

125

150

200

250

300

350

400

450

500

600

L

mm

130

150

160

180

200

250

265

280

300

325

350

400

450

500

550

600

650

700

800

H

mm

175

180

210

210

350

358

373

435

500

614

674

818

1225

1415

1630

1780

2050

2181

2599

W

mm

180

180

200

200

200

240

240

280

320

360

360

400

450

500

500

600

720

720

720



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