HangZhou Hoyee trade Co.,Ltd


Self-operated Level Regulator

Self-operated Level Regulator

1.ZZY series self operated difference (little) Pressure Control Regulating valve Can be used in nominal pressure PN0.1 , PN10. The difference (little ) presses the regulation of segmenting. From 50mm.WC to 0.1MPa. self operated type difference (little ) Regulating valve of the pressure The use...

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Product Details

ZZY series self operated  difference (little) Pressure Control Regulating valve 

1) It is performer products achieving the self-regulation through the self-force of the controlled medium and saving energy at the same time. The setting value of the pressure and temperature may be regulated freely in the process of operation 
Which has the feature of quick opening flow. With a number of advantages such 
As the highly sensitive motion, stable controlled parameter, high-precision regulation, and small leak volume, the products are extensively applied to the automatic control for the pressure and temperature under various working conditions 
2) Type: ZZY standard/ZZYP pilot/ZZC difference pressure/ZZV tiny pressure 




Single seat self-actuated pressure regulator(after regulator)

1. Drain plug 2. Inlet plug 3. pressure line 4.Actuator 5.Spring 6. Condenser 7.Adjusting plate 8.Valve plug parts 9.downstream adapter tube



Main specification and technical parameter




PN1.6, 2.5, 4.0, 6.4; ANSI150, 300, 600; JIS10, 20, 30, 40

Pressure Range

15~50, 40~80, 60~100, 80~140, 120~180, 160~220, 200~260, 240~300, 280~350, 330~400, 380~450, 430~500, 480~560, 540~620, 600~700, 680~800, 780~900, 880~1000, 900~1200, 1000~1500, 1200~1600, 1300~1800, 1500~2100(Can be customized)

Flow characteristics

Quick opening

Regulation accuracy


Working temperature

Standard Type: 60~350°C

Low temperature Type: To be customized

Leakage class

Hand Seal: IV grade, Soft Seal : VI grade


Gas and Water


Commissioning has been completed in the factory, connected to the gas source and the input signal can be used





Body, Cap



304, 316, 316L, 17~4H, Surfacing Stellite


PTFE, Flexible graphite


304, 316, 316L 17~4PH


Hoyee covers the total area of 20, 000 square meters, with the existing staff more than 130 people within 3 senior engineers, 12 specialized engineers. We also have our machine centers, digital controlled lathe, the physics and chemistry centers, the spectral analysis facility and other advanced facilities for production and testing. Hoyee products are all designed by modernized CAD, CAM, UG, PRO/E three dimensional design system and produced strictly according to the ISO9001-2015 International quality system certification. Our products share a good reputation in both domestic and abroad market. Hoyee owns customers' belief with the high quality products, professional technical supports and impeccable customer services. 



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.



Q 1: What's the shipping method? 
A:  Normally use international express as DHL, TNT, FedEx, UPS, etc.  
Can also arrange according to your needs.


Q 2: Can you give me a discount? 
A: Discount is available,but we have to see the real quantity,we have different price based on different quantity,how much discounts is determined by the quantity,moreover,our price is very competitive in the field. 
well, if the quantity is so big, we may give you a big discount.


Q 3:If l have a product wants to be made in other special material, can you do it? 
A:Of course, you just need to provide us designed drawings or sample and R&D department will estimate that whether we can do or not, we will give you the most satisfactory reply.


Q 4:Can l visit your factory? 
A:By all means, we warmly welcome your arrival, 
Before you take off from your country, please let us know. 
We will show you the way and arrange time to pick you up if possible. 

Q 5: How can I trust you and your company? 
A: We are a gold and creditable company on alibaba, we are focusing on the long term relationship with customers, we have worked with thousands of customers since  company built 10 years ago, customers always make highly complimentary remarks.


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 Mail address:Infor@hoyeevalve.com

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