Products > Gate valve > Pneumatic Gate Valve

Pneumatic Gate Valve

Model: Z641H
Nominal diameter: DN40 ~ 600mm
Nominal pressure: PN1.6 ~ 6.4MPa
Design Standards: API 600, API6D, ASME B16.34, GB / T 12234
Construction Length: ASME B16.10, API6D, GB / T 12221
Connection Standards: ASME B16.5, ASME B16.47, GB / T 9113, JB / T 79, HG / T 20592
Pressure test: API 598, GB / T 13927, JB / T 9092
Pressure - Temperature class: ASME B16.34, GB / T 12224
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Features

1, the gate has two sealing surfaces, the sealing surface to form a wedge, wedge angle varies with the valve parameters, usually 5 °.

2, wedge gate valve sealing principle is based on the wedge gate on the two sealing surfaces and the valve body when the two sealing surfaces wedged in close combination, so as to achieve sealing performance.

3, wedge-type gate valve according to the stem-driven gate opening and closing of the different ways, can be divided into Ming rod valve (lifting rod gate valve) and dark rod gate valve (rotary rod gate valve).

4, wedge gate valve structure according to the different forms can be divided into flexible gate valve and rigid gate valve.

5, the valve body is molded, the valve body and the valve cover are bolted, the flange is wound with a gaskets gasket, the customer can also use the metal ring connection when there are special requirements.

6, the channel is smooth, the flow coefficient is small. Sealing surface erosion by the media and erosion of small.

7, the sealing surface of alloy steel or carbide, wear-resistant, anti-abrasion performance.

8, using flexible graphite packing, reliable sealing, light and flexible operation.

9, the medium flow is not restricted, does not disturb the flow, does not reduce the pressure.

10, the shape is simple, the structure of short length, manufacturing technology is good, a wide range of applications.


The main form of connection size

DNPNLHhACG (kg)
40PN1625067525512020029
PN6431
50PN1625068525512020032
PN6440
80PN1628080034012020042
PN6431016024052
100PN1630085037012020080
PN6435016024090
125PN16325102041512020095
PN64400160240105
150PN163501085455160240110
PN64450280360130
200PN164001195515160240215
PN64500280360275
250PN164501460580160240320
PN64550280360380
300PN165001575645280360440
PN64600360500
350PN165501890810280360520
PN64650360440580
400PN166002070900360440850
PN64700420500910
450PN166502350975360440890
PN647504205001000
500PN1670025001073360440950
PN648005406201200
600PN16750293013023604401100
PN648505406201300