Ductile Iron Pn16 Wafer Type Silent Check Valve
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| Customization: | Available |
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| Media: | Water |
| Temperature: | Ordinary Temperature |
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Basic Info.
- Material
- Ductile Iron
- Connection Form
- Flange
- Structure
- Swing
- Pressure
- Ordinary Pressure
- Function
- Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
- Sealing Form
- Gland Packings Globe Valve
- Flow Direction
- Unidirection
- Standard
- JIS/ANSI/GB/DIN
- Application
- Industrial Usage, Water Industrial Usage, Household Usage
- Size
- DN50 - DN250(2'' - 10'')
- Nominal Pressure
- Pn 16
- Temperature Range
- 0°c ~ 80°c
- Suitable for
- Water and Neutral Liquids
- Connection Standard
- BS En1092-2
- Face to Face Standard
- BS En558-1 Basic
- Pressure Test Standard
- BS En12266-1, Ap
- Transport Package
- Carton and Pallets
- Trademark
- OEM
- Origin
- China
- HS Code
- 8481804090
- Production Capacity
- 50000/Years
Product Description
Features and Benefits:
- Spring-load control: the valve opens slowly.
- Same valve can be installed horizontally or vertically.
- More compact & Structurally sound design.
- Streamlined Flow - way.
- High temperature vulcanization sealing ring.
- Electrostatically applied Akzo Nobel epoxy powder internally and externally.
- Bronze/SS trim, can be used for fire protection project.
| Size | DN | E | A | L |
| 2″ | 50 | 105 | 108 | 67 |
| 21/2″ | 65 | 123 | 129 | 73 |
| 3″ | 80 | 141 | 148 | 79 |
| 4″ | 100 | 159 | 179 | 102 |
| 5″ | 125 | 191 | 212 | 118 |
| 6″ | 150 | 217 | 246 | 141 |
| 8″ | 200 | 272 | 336 | 165 |
| 10″ | 250 | 327 | 402 | 210 |
| 12″ | 300 | - | 460 | 285 |
Applicable Standards:
Connection standard: BS EN 1092-2
Pressure test standard: BS EN 12266-2003
Technical Data:
Size: DN50~DN300(2″~12″)
Nominal pressure: PN 16
Temperature range: 0°C ~ 80°C
Suitable for: Water
Materials Specifications:
| No. | Component | Material |
| 1 | Body | Cast Iron GG25 / Ductile Iron GGG50 |
| 2 | Stem | Stainless Steel SS316 |
| 3 | Stop Stem | Stainless Steel SS316 |
| 4 | Disc | Bronze/SS304/SS316 |
| 5 | Spring | Stainless Steel |
| 6 | Seat | Bronze/SS304/SS316 |
Features and Benefits:
- The spring load design, reduces the water hammer, no noise.
- Axial flow design insures, short stroke, quick close to the seat.
- High quality spring, avoid the water hammer to damage the pipeline.
- Can be installed in anyposition, including vertical with flow up or down.
- Resilient seated sealing, zero leakage.
- Electrostatically applied Akzo Nobel epoxy powder internally and externally.
| NO | Size | DN | L | D | D1 | T | N-d | Weight (kg) |
| 1 | 2″ | 50 | 100 | 165 | 125 | 19 | 4-19 | 6 |
| 2 | 2 ½″ | 65 | 120 | 185 | 145 | 19 | 4-19 | 7.5 |
| 3 | 3″ | 80 | 140 | 200 | 160 | 19 | 8-19 | 9.3 |
| 4 | 4″ | 100 | 160 | 220 | 180 | 19 | 8-19 | 12.4 |
| 5 | 5″ | 125 | 180 | 250 | 210 | 19 | 8-19 | 16.4 |
| 6 | 6″ | 150 | 200 | 285 | 240 | 19 | 8-23 | 23.5 |
| 7 | 8″ | 200 | 220 | 340 | 295 | 20 | 12-23 | 36.3 |
| 8 | 10″ | 250 | 280 | 405 | 355 | 22 | 12-28 | 62.7 |
Applicable Standards:
Connection standard: BS EN1092-2
Face to face standard: BS EN558-1 basic series 1
Pressure test standard: BS EN12266-1, API598
Technical Data:
Size: DN50~DN250(2″~10″)
Nominal pressure: PN 16
Temperature range: 0°C ~ 80°C
Suitable for: Water and neutral liquids
Materials Specifications:
| No. | Component | Material |
| 1 | Body | Ductile Iron JS1040 |
| 2 | Sealing Ring | EPDM |
| 3 | Disc | Ductile Iron JS1040 |
| 4 | Bearing | Stainless Steel SS304 |
| 5 | Guide Stem | Stainless Steel SS420 |
| 6 | Spring | Stainless Steel SS304 |
| 7 | Seat | EPDM |
Pressure Drop Figure:
Are you a manufacturer or trading company?
DVK Valve is a specialized valve manufacturer, backed by a skilled and experienced R&D team.
Are you make OEM or ODM product?
Yes, if QTY attractive enough, we can create new mould for you, make bodies casting with your logo and your nameplate; if QTY not attractive enough, will be only with your nameplates or labels.
What kinds of valve can you supply?
We can supply butterfly valve, ball valve, check valve, gate valve, control valve, brass valve, bronze valve, strainer, valve fittings and so on.
How long is your delivery time?
General speaking, we have some stock for regular products, it is 1~2 weeks if the goods are in stock; if not in stock will be 4~8 weeks, depends on quantity.
What's the package and how do you ship the goods?
We typically use seaworthy plywood cases for packaging. Shipping is usually done by sea, other shipping methods can also be arranged. Please contact us if you require a different shipping route.
Can you provide the relevant documentation and certificates?
Yes, we can provide the necessary documentation and certificates, including the ISO9001,ISO24001, ISO45001, CE, BV, ABS, SIRIM, TUV-SUD etc. We can also provide the Test Report, Certificate of Material Analysis, Certificate of Origin, and other export documents if required.
Do you provide free samples?
If samples available in stock, yes, we could offer the free sample to you, but the air cost or courier cost will be on your account.
What are your payment terms?
Order value less than 2000USD, 100% in advance. Order value more than 2000USD, 30% T/T in advance, balance before shipment. L/C available as well.
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