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| Categories | Flange Check Valve |
|---|---|
| Brand Name: | TOBO |
| Model Number: | CF8M |
| Certification: | ISO 9001/ API 6D |
| Place of Origin: | China |
| MOQ: | 1Pcs |
| Price: | Negotiation |
| Payment Terms: | L/C, T/T, Western Union |
| Supply Ability: | 10000 Pcs Per Month |
| Delivery Time: | 10 working days |
| Packaging Details: | Usually packing by plywood case suit for sea delivery |
| Product Name: | Swing Check Valve |
| Material: | 316L |
| Application: | Oil, Gas, Water, Steam Etc |
| Advantage: | Quiet |
| Temperature: | -10~80 C |
| Design: | Wafer |
| Body: | Stainless Steel |
| Seat: | Stainless Steel |
| Company Info. |
| TOBO STEEL GROUP CHINA |
| View Contact Details |
| Product List |
Vertical Stainless Steel Ball Check Valve One Way Corrosion Resistance
| Product Name: | Nozzle Check Valve | Application: | Water , Oil, Gas, Etc., |
|---|---|---|---|
| Size: | DN15 ~ DN800 | Pressure: | PN16 |
| Standard: | BS / DIN | Temperature: | -10~80 C |
| Body: | Iron | Seat: | Iron |
| High Light: | vertical ball check valve,flanged ball check valve | ||
Ductile Iron Nozzle Check Valve DN 600 PN16 With Silence And Wafer Tyep, Lift Disc Design
| Model | PN(MPa) | TestPN(MPa) | Temperature (℃ ) | Medium | |
| Sheel | Seal | ||||
H77X H77H H77Y H77W | 1.0 | 1.5 | 1.1 | rubber seal: ＜80 metal seal: ＜450 | Water, air, oil, acid etc., |
| 1.6 | 2.4 | 1.76 | |||
| 2.5 | 3.75 | 2.75 | |||
| 4.0 | 6.0 | 4.4 | |||
| 6.4 | 9.6 | 7.0 | |||
| Parts | Material | |||||||||||||||||||
|
|
|
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| ||||||||||||||||
| body/ disc | WCB | CrMo | WCB | 1Cr18Ni9Ti | ||||||||||||||||
| stem | 2Cr13 | 1Cr18Ni9Ti | 2Cr13 | |||||||||||||||||
| seal ring | - | Steille | Alloy | - | - | |||||||||||||||
| Spring | 1Cr18Ni9Ti | Alloy | 1Cr18Ni9Ti | |||||||||||||||||
| DN(mm) | L | D 2 | D 3 | DN(mm) | L | D 2 | D 3 | ||
| H77X | H77H H77Y H77W | H77X | H77H H77Y H77W | ||||||
| 50 | 43 | 100 | 43 | 46 | 400 | 140 | 485 | 376 | 390 |
| 80 | 64 | 135 | 71 | 80 | 450 | 152 | 545 | 427 | 427 |
| 100 | 64 | 155 | 91.5 | 94 | 500 | 152 | 608 | 479 | 490 |
| 125 | 70 | 185 | 115 | 118 | 600 | 178 | 718 | 579 | 588 |
| 150 | 76 | 210 | 141 | 145 | 700 | 229 | 800 | 675 | 686 |
| 200 | 89 | 265 | 191 | 200 | 800 | 241 | 905 | 774 | 784 |
Application:
Valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure
of medium will bring the result of opening and closing automatically.
When the medium is back-going, valve disc will automaticaly closed to avoid accidents.
| Material List | |||
| Part | Material | ASTM | BS |
| Body | Brass | B124 C38800 | 2874 CZ122 |
| Cap | Brass | B124 C38800 | 1400 LG2 |
| Disc | Brass | B124 C38800 | 2874 CZ122 |
| Spring | Stainless Steel | A313 304 | 3111 304S31 |
| Seat | NBR | ||
| Product Name | Brass vertical check valves Chinese manufacture with various size |
| Material | brass |
| Color | brass yellow |
| Standard | JIS ANSI |
| PRESSURE | PN16 |
| Valve Standard | Comply with MSS SP-80 Threaded to BS 21(ISO7)/ASME B1.20.1 | |
| Size Range | 15mm (1/2") ~ 50 mm(2") | |
| Working pressure | 300psi (20.7 bar)WOG Non-Shock 150psi (10.3 bar)Saturated Steam | |
| Testing Pressure | Shell: 450 psi(31 bar)Hydrostatic | |
| Seat: 330psi (22.7 bar) Hydrostatic 80 psi (5.5 bar) Air | ||
| Suitable Media | Water, Oil, Gas | |
Part List / Materials of Construction
| Part | Description | Standard | Special |
| 1. | Body | Cast Iron | St. Steel, Cast Steel |
| 2. | Cover | Cast Iron | St. Steel, Cast Steel |
| 3. | Ball | Nitrile Reinforced | EPDM, Neoprene |
| 4. | Cover Ring | Nitrile Rubber | Butyle, Viton |
| 5. | Ball Seat Ring | L. T. Bronze | St. Steel, Hard Rub. |
| 6. | Fasteners | Carbon Steel | St. Steel |
Description:
| Technical Parameters | ||||
| Model | PN(MPa) | Casting test pressure(MPa) | Seal test pressure (MPa) | Materials of body, bonnet |
| HQ41X-10 | 1 | 1.5 | 1.1 | iron or steel |
| HQ41X-16 | 1.6 | 2.4 | 1.76 | |
| Mail part & material | ||||
| Body : Cast iron, ductile cast iron ,WCB | ||||
| Bonnet : Cast iron, ductile cast iron, WCB | ||||
| Ball : cast steel coated with neoprene | ||||
| Medium : water and weak corrosive fluid | ||||
| Dimensions | ||||||
| DN(mm) | L | D | D1 | D2 | Z-φd | H |
| 50 | 180 | 160 | 125 | 100 | 4-18 | 185 |
| 65 | 200 | 180 | 145 | 120 | 4-18 | 210 |
| 80 | 260 | 195 | 160 | 135 | 4-18/8-18 | 245 |
| 100 | 300 | 215 | 180 | 155 | 8-18 | 280 |
| 125 | 350 | 245 | 210 | 185 | 8-18 | 335 |
| 150 | 400 | 280 | 240 | 210 | 8-23 | 400 |
| 200 | 500 | 335 | 295 | 265 | 8-23/12-23 | 495 |
| 250 | 600 | 390/405 | 350/355 | 320 | 12-23/12-25 | 600 |
| 300 | 700 | 440/460 | 400/410 | 375 | 12-23/12-25 | 715 |
| 350 | 800 | 500/520 | 460/470 | 435 | 16-23/16-25 | 820 |
Check Valve - Ball type (nonreturn valve) was the first valves at with a unique design. A very simple
but robust design with no critical mechanism involved.
All parts like hinge pin disc mechanism used in conventional valve are eliminated, and has put in a
reinforced rubber coated ball to arrest flow media in return condition.
This ball, moves totally out of the flow path when the pumping is on to give minimum head losses.
The spherical rubber coated ball seals perfectly on the rounded valve seat ensuring a totally leak proof
sealing.
This design offers other advantages like non clogging & self cleaning. In this virtually maintenance free
valves, if required, after prolonged usage, the on-line replacement of the ball is just a minute job.
* Lower power consumption
* Larger solid handling capacity
* Self cleaning, Non-Clogging
* Perfect Sealing
* Low pressure drop
Principle:
The heart of this valve is a reinforced rubber ball. The unique design of the valve allows free movement of the ball.
The ball moves to open position when the pump starts & allows free flow of liquid without any interference (See Fig.).
As the pump stops, the ball seats firmly against the metal seat due to its own weight & back pressure of
the liquid (Mouse over fig.). This results in DROPLESS sealing.
Part List / Materials of Construction
| Part | Description | Standard | Special |
| 1. | Body | Cast Iron | St. Steel, Cast Steel |
| 2. | Cover | Cast Iron | St. Steel, Cast Steel |
| 3. | Ball | Nitrile Reinforced | EPDM, Neoprene |
| 4. | Cover Ring | Nitrile Rubber | Butyle, Viton |
| 5. | Ball Seat Ring | L. T. Bronze | St. Steel, Hard Rub. |
| 6. | Fasteners | Carbon Steel | St. Steel |
|
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