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Pneumatic Gate Valve with Manual
Model: Z641H
Nominal diameter: DN50 ~ 800mm
Nominal pressure: PN1.6 ~ 4.0MPa
Ambient temperature: Standard: -20 ~ 80 ℃
Body material: Carbon steel, stainless steel P4, P6
Design basis: GB standard, ANSI standard
Design standard: GB / 12237, ANSI B16.34
length of the structure: GB / 12221, ANSI B16.10
SIZES: GB / 9113, JB / T79 , ANSI B16.5
Experiments and testing: JB / T9092, API 598
Product details

echnical Parameters
Nominal diameter DN50 ~ 800mm
Connection method Flange
Cylinder form Double role
control method Switch type, adjustable type
Nominal pressure 16,25,40bar (Please specify when ordering for higher pressure)
Air pressure Single role: 5 ~ 8bar
Medium temperature W3: -30 to 425 ° C W4: -40 to 425 ° C
Ambient temperature Standard type: -20 ~ 80 ℃
Body material Carbon steel (C), stainless steel (P4, P6)
Sealing material Metal Hard Seal (H), Carbide (Y)
Note: Other special sealing materials or special temperature can also be designed according to customer requirements

 

Main parts material table
Serial number Part Name Material
C P4 P6
1 Body WCB ZG1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
2 Nuts 35 1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
3 bolt 35 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
4 gate WCB ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
5 Valve stem 1Cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
6 Gasket Stainless steel + flexible graphite Stainless steel + flexible graphite Stainless steel + flexible graphite
7 cap WCB ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
8 Nuts 35 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
9 Rings bolts 35 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
10 Nuts 35 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
11 bolt 35 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
12 filler Flexible graphite Flexible graphite Flexible graphite
13 Packing pressure sleeve WCB 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
14 Packing platen WCB 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
15 Nuts 35 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
Note: The main components and seals of the material can also be based on the actual conditions or customer requirements design selection

 

Main dimensions - PN16 (16bar)
[DN] Dimensions Connection size
L H H1 H2 do D D1 D2 C f ND
50 250 790 420 840 180 165 125 99 20 3 4-18
80 280 910 460 990 200 200 160 132 20 3 8-18
100 300 1050 560 1150 250 220 180 156 22 3 8-18
150 350 1240 660 1390 320 285 240 211 14 3 8-22
200 400 1520 810 1720 400 340 295 266 24 3 12-22
250 450 1700 930 1950 400 405 355 319 26 3 12-26
300 500 1930 1090 2230 450 460 410 370 28 4 12-26
350 550 2160 1230 2510 450 520 470 429 30 4 16-26
400 600 1330 1360 2730 500 580 525 480 32 4 16-30
450 650 2540 1510 2990 500 640 585 548 34 4 20-30
500 700 2750 1660 2150 550 715 650 609 36 4 20-33
600 800 3080 1910 3680 550 840 770 720 38 5 20-36
700 900 3570 2200 4270 600 910 840 794 40 5 24-36
800 1000 1025 950 901 42 5 24-39


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