HangZhou Hoyee trade Co.,Ltd


Liquid Medium Double Seat Control Valve

Liquid Medium Double Seat Control Valve

ZXN series Pneumatic double seat Control Valve Characteristics: Two guide structure with Multiple springs actuator.The structure is compact、lighter weight、quick operation、large valve capacity、flow features accurate、flow characteristics accuracy、easy to dismounting.This series product have...

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Product Details

Pneumatic diaphragm control valve is the terminal industrial process measurement and control system control device, is composed by pneumatic diaphragm actuator, direct through single-seat,double seat and sleeve valve, etc., which can automatically change the valve trim position according to the control signal system , changing the flow area between the valve trim and the valve seat, to change the valve drag coefficient, to realize the regulation for the medium flow, pressure and level and other process parameters adjustment. 

ZXN series Pneumatic double seat Control Valve Characteristics:

Using the new ZXN multi-spring actuator instead of the old ZMA/B actuator, with the advantages of low height, light weight, easy installation and maintenance. The fluid thrust works on the upper and lower valve core have opposite direction and similar size. Imbalance force is very small, allowing a large pressure.


Type: straight two seats ball type

Nominal size: DN25-200 mm

Working pressure: PN1.6,4.0,6.4MPa, ANSI125,150,300,600;

End connection: Flange, BW, SW (apply for DN15-DN50)

Material: WCB,WC6,WC9,C5,LCB,LC2,LC3,CF8,CF8M etc.

Valve bonnet : Standard type (P)  : -17 ~ +230℃

                        Extended I type(E1):-45 ~ 17℃,+230 ~ 566℃
                        Extended II type(E2): -100 ~ 45℃

        Extended III type (E3): -196 ~100℃

        Cooling fin type:+230 ~ 600℃

Packing gland : Bolted compressed-type

Packing : V-type PFTE, PTFE asbestos and flexible graphite


Valve disc : Pressure balanced type disc

Adjustable feature : equal percentage, linear type

Material : 304, 304 overlay STL, 316, 316 overlay STL, 316Letc.



Type 6100 Pneumatic Diaphragm Actuators

Membrane material: Ethylene propylene rubber filled with nylon

Spring range: 20-100KPa,40-200KPa,80-240KPa

Air supply pressure: 140KPa,160KPa,280KPa,400KPa

Air supply connection:Rc1/4,Rc3/8

Environment Temp: -30-+70℃

Acting type: air open ( reverse acting), air close (positive acting)


Hoyee are a professional manufacturer of industry valves according to API, DIN, JIS standards. Our products include knife gate valves, ball valves, gate valves, globe valves, check valves and butterfly valves. Our valves are made with materials of WCB, WC6, WC9, LCB, 304, 316, 304L, 316L and F51. They are widely used in many fields, such as petroleum, chemical, natural gas, power, feed water, steel and metallurgy. 
If you are interested in any of our products, please feel free to contact us for more information.



Packing Details: Wooden box and plywood case, standard export  packing.
In addition that we can  design and pack as your request.
Delivery Details : Shipped in 5-15 days after payment.



1. Excellent technology:

the technology is in the leading level in China, cooperate with the most famous

universities in China.

2. Advanced equipment:

advanced processing equipment and testing means, providing the integration of automation system solutions for product, engineering, service and training.

3. Strong team:

have many senior engineers with plenty of research, development, design

experience, providing professional service for sales and after sales.

4. Good quality:

reliable and stable quality, good performance, long life time.

5. Full series of products:

covers full category of valves, meet the general standard of every country in the world, such as GB, DIN, ASTM, BS, JIS.

6. Professional after sales service:

have the professional engineer team to provide the service.

7. Certificates:

passed the ISO9001,SIL certificate 

8. Fast delivery time:

have the stock, fast delivery time could be guarantee.

9. Packing:

packing strictly as per the exporting standard or as per the customized request.

10. Long-term quality warranty time:

provide 12 months quality warranty time.

 No7 YangJiaDai Road LingQiao industrial  Zone,FuYang district,HangZhou City,P.R China
 Mail address:

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