Non Return Check Valve with Dual Plate in Cast Iron , Wafer Type , PN 10
PRODUCT INTRODUCTION
The dual Plate Check Valve is an all purpose non return valve that is much stronger, lighter in weight and smaller in size compared to a conventional swing check valve or life check valve.
The Dual Plate Check Valve employs two spring-loaded plates hinged on a central hinge pin. When the flow decreases, the plates close by torsion spring action without requiring reverse flow. This design offers the twin advantages of No Water Hammer and Non Slam simultaneously. All features put together make the Dual Plate Check Valve one of the most efficient design. It is also referred as SILENT CHECK VALVE.
The valve dual plate check valve design conforms to APS 594 as well as API 6D except face to face dimensions of ANSI 125 cast iron valves of sizes 65mm (2½”) to 600mm (24”). Valve inspection and testing conforms to API 598.
MVS Dual Plate Check Valves are available in wafer design, flanged wafer design and extended design with flanged ends having face to face dimensions as that of a swing check valve.
Design Standard | API 594 / API 6D Standard |
Inspection & Testing Standard | API 598 |
Flange To Flange Distance | As Per ANSI B API 594 / API 6D / ANSI B 16.10 |
End Connection | Wafer Type, Flangeless, Sandwich Pattern |
Suitable to mount between two flanges. | |
Manufacuring Size Range | 3″ (DN80) to 24″(DN 600) |
Pressure Rating of Valve | 150# / 300# |
PN 10 / PN 16 / PN 25 / PN 40 |
Body & Disc Material | ASTM A 126 GR. B / IS 210 GR. FG 200/220/260 (Cast Iron) / Ductile Iron / Nodular C.I. |
ASTM A 216 GR. WCB (Cast Carbon Steel) | |
ASTM A 351 GR. CF 8 / CF 8M (SS 304 / SS 316) | |
ASTM A 351 GR. CF 3 / CF 3M (SS 304L / SS 316L) | |
ASTM A 351 GR. CN7M / ASTM A351 Gr. CF8C | |
ASTM A351 Gr. CD4Mcu / ASTM A351 Gr. CK3MCuN | |
ASTM A352 Gr. LCA / LCB / LCC | |
ASTM A217 Gr. WC1 / WC6 / WC9 / C5 / C12 | |
ASTM A494 Gr. CW6MC / CW2M / CY40 / CU5MCuC | |
NACE MR0175 / NACE MR | |
Seat Material | Soft Rubber Seat for Zero Leakage |
Neoprene / EPDM / NBR / Bun – N / Viton / Silicon | |
Metal to Metal Body Disc Face contact seat | |
Stellited F6 Hard Face | |
Hinge Pin / Stem | ASTM A 276 T – 304/316 (Stainless Steel 304/316) |
ASTM A 276 T – 304L/316L (Stainless Steel 304L/316L) | |
Alloy 20 / Duplex Steel Steel / Super Duplex Steel | |
Hastelloy C / Hastelloy C 276 | |
Spring | Inconel X 750 |
S.S. 304/316/304L/316L |
Light Weight thus easier handling and self supporting.
More compact & Structurally sound design.
Same valve can be installed horizontally or vertically.
Only Check Valve which can be installed for flow upside down due to spring assisted closure.
Low Pressure Drop and reduced Energy Loss irrespective of Pressure Ratings.
Streamlined flow – way.
Efficient and Positive sealing under most flow and pressure conditions. Valve close before flow reversal, at zero velocity.
Inherently Non-Slamming. No external devices / attachments required.
Water Hammer almost non-existent.
Long life and trouble-free operation.
Non Check Valve Drawing
DN | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 | 1200 |
L | 43 | 46 | 64 | 64 | 70 | 76 | 89 | 114 | 114 | 127 | 140 | 152 | 152 | 178 | 229 | 241 | 241 | 300 | 360 |
D | 100 | 120 | 135 | 155 | 185 | 185 | 265 | 320 | 368 | 428 | 482 | 532 | 585 | 685 | 800
| 905 | 1005 | 1115 | 1325 |
If you require other sizes and valve design standards, please send email to angela@tjfmcn.com to get the drawing.
Valve Packing with Plywood
Please feel free to contact with us at angela@tjfmcn.com or filling up an enquiry form instructed at the bottom.
You will get an effective response within 24 hours from TongJiang Team.
COMPANY PROFILE
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TONGJIANG Valve Technology Company was established for 30 years.
There are more than 100 employees which includes 10 professional engineers.
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Miss Angela
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E-mail: angela@tjfmcn.com
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