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Ammonia Vertical Check Valve

Ammonia Vertical Check Valve

    Payment Type: L/C,T/T,Paypal,Western Union
    Terms of Trade: FOB,CFR,CIF
    Delivery Time: 25 Days
    Packaging: standard export packaging
    Brand: Yunyu
    Transportation: Ocean,Air
    Place of Origin: China
    Certificate: ISO
    HS Code: 8481
    Port: Qingdao,Shanghai

Basic Info

Model No.: YC50

Material: Stainless Steel

Connection Form: Flange

Structure: Elevated

Pressure: Ordinary Temperature

Function: Nrvg Silence

Sealing Form: Gland Packings Globe Valve

Flow Direction: Reversing

Standard: ANSI

Application: Water Industrial Usage, Industrial Usage

Size Range:: DN50~400

Product Description

Ammonia Vertical Check Valve

Ammonia uses the vertical check valve flap to use the fluid pressure difference and its own weight to achieve lift. The vertical check valve for ammonia is suitable for the vertical ammonia gas pipeline in most ammonia storage tanks to automatically prevent ammonia from flowing back.

Fast closing check valve is mainly composed of valve body, valve seat, valve stem, spring, valve flap, guide sleeve and other parts. When the pump is turned on, the valve flap rises under the water bottom thrust, opens the valve, and the spring is quickly closed by the action of the spring force. When the water flow approaches 0, the valve flap is completely closed. No water flow phenomenon, at the same time because the water can not flow back, does not produce kinetic energy, it prevents the production of water hammer.

fast closed check valve Technical performance characteristics:

1. The main valve body of the quick-close check valve adopts a Y-type diaphragm structure, and the sealing pair is a non-metal seal; the valve is generally required to be installed horizontally, and the connection form with the pipeline is a flange connection, and the flange connection size is in accordance with the national standard GB. /T17241.6 implementation.

2. The quick-close check valve consists of valve body, valve cover, center shaft, copper sleeve, valve seat, valve flap and other major parts. It is achieved by controlling the up and down movement of the valve flap.

3. The quick-close check valve has the characteristics of automatic hydraulic control and can be interlocked with the pump. When the pump stops, it can quickly stop back and prevent the water hammer from acting.

4. Closed check valve sealing effect is good, to ensure that the valve leakage is zero leakage.

5. The body of the quick-close check valve adopts a Y-shaped streamlined structure and has a reasonable structure.

6. The quick-close check valve enables on-line maintenance.

7. Castings are cast using advanced casting techniques. Good surface finishes are to be applied. Paints shall be painted and the color of the finish shall be determined by the buyer.

Construction is as follows:

- Full Open, or Reduce Pore

- Piston Check

- Ball Check

- Swing Check

- Bolted Bonnet with spiral-would gasket, threaded and seal welded bonnet and threaded and pressure seal bonnet

- With or without counterweight

- Butt Weld Ends to ASME B16.25

- Flanged Ends to ASME B16.5 and B16.47 A/B

Production Description

Product name Lifting Type Check Valve
Model Number H41
Size Range DN20~400
Pressure Rating 1.6MPa,2.5MPa,4.0MPa,6.4MPa,10.0MPa
Temperature Rating -30~+425℃(Temperature range subject to the material of sealing and the property of medium)
Flange Drilling GB DIN BS,etc.
Testing Shell Test and Seal Test
Main Material WCB,CF8,CF8M,CF3,CF3M,etc. (Other materials are available under request.

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Henan Yunyu Machinery Equipment Co., Ltd mainly manufacture special valves, such as Chlorine valves, Ammonia valves, safety valves, etc. and is one of the industry's biggest valves manufacturer in China; furthermore, we are a high-tech enterprise with research, development and manufacture of special valves, our tenet is surviving by quality, developing by technology and leading by focus on products.

What`s more, we obtained the leading position on ammonia valves, safety valves and chlorine valves by scientific and technical innovation, new materials` research and application in this industry for years. We also get the trust of clients by providing high quality products and good service.

In addition, with the assets of RMB 50 million, construction area of 25,800m2, our company owns the domestic advanced automated valve testing center, the total performance safety valve test center, CNC machining center and CAD, CAAP workstations. Besides that, it is also equipped with CNC machine tools, general machine tools, precision casting, acid-washing ball blasting and other large equipment more than 300 sets. There are another 25 sets of facilities, main including metal physicals and chemistry test, mechanical performance test, plasma arc overlaying, ultrasonic thickness test, nondestructive detection, heat treatment, spectral analysis, etc.

Our annul production capacity is about 150,000 sets, and are widely used in hydro-power station, chemicals, fertilizers, food, gas, oil refining, cold chain logistics, coal mines, cold drinks, beer, pharmaceuticals, seafood, slaughtering and storage refrigeration industries , etc.

As to the production standards, we strictly in accordance with the national standards (such as GB, BS, ANSI, API, JIS, DIN, etc.) and we also make our own enterprise standards, which is even better than national standards. Our main products: chlor-alkali valve (zero leakage bellows global valve, special chlorine valve, chlorine special check valve), liquid ammonia valve (maintenance free bellows global valve, ammonia global valve, forging welding valve), etc. We can also accept customized non-standard products according to clients` requirements.

Company Info

  • Company Name: Henan Yunyu Mechanical Equipment Co., Ltd.
  • Representative: Yang Rui
  • Product/Service: Stainless Steel Valve , Ammonia Valve , Chlorine Valve , Butterfly Valve , Ball Valve , Gate Valve
  • Capital (Million US $): 30000000RMB
  • Year Established: 2016
  • Total Annual Sales Volume (Million US $): US$1 Million - US$2.5 Million
  • Export Percentage: 61% - 70%
  • Total Annual Purchase Volume (Million US $): Below US$1 Million
  • No. of Production Lines: 2
  • No. of R&D Staff: 5 -10 People
  • No. of QC Staff: Fewer than 5 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): Below 1,000 square meters
  • Contact Person: Mr. Chen
  • Tel: 86-379-64896813
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