Description
pneumatic diaphragm double-seated regulating valve ZXN
c. ZXN CONTROL VALVES
ZXN pneumatic diaphragm double-seated regulating valve
It has double-disc guide, and multi-spring pneumatic actuator. It
is of compact configuration, light weight, motion agility, and
limited loss of pressure drop, large valve capacity and exact flow
characteristics. It is widely applied to the fields of petroleum,
chemical plant, electric power and smelting
Main technical parameters:
1) nominal size: DN *****0mm (3/4"~8″)
2) nominal pressure: PN?MPa?1.6\4.0\*0.0(ASME
Class:**0/**0/**0)
3) leakage class: IV/V/VI
4) flow characteristics: equal percentage, linear
5) temperature range: ***6~***0celsius.
Types of ZXN:
*ZXNO Standard type, the operating Temperature **0 ~ ***0celsius,
leakage grade II/IV .(PIC 1)
* ZXNG Heat dispersing type, the valve covers additional heat
radiator which can be used for medium of temperature **0 ~
***0celsius occasions (PIC 2)
* ZXNV The bellows type, which guarantee the sealing of the
movement of the stem to form a complete seal environment, blocking
external fluid leakage (PIC 3)
* ZXND low temperature type, the valve using long-necked tube and
bellow sealed structure which can be used for cryogenic ***6celsius
occasions (PIC 4)
* ZXNQ regulate and cut-off valve whose soft sealing type structure
up to class VI leakage standards (micro-bubble level) (PIC 5)
* ZXNJ-type jacket and insulation belt with stainless steel
insulation jacket for easy to crystallize after cooling fluid \
solidification caused by blockage occasions (PIC 6)
Spool \ seat are made of build-up Stellite alloy, suitable for high
temperature \ deep cold and other harsh conditions.
More information, please contact us for help:
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