Double Plate Wafer Check Valve
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Dual Plate Wafer Check Valve
- Wafer Check Valve design according to API 594, API 6D
- Face to face ASME B16.10/API 594
- End Flanges ASME B16.5/ASME B16.47
- Buttwelding ends ASME B16.25
- Inspection and test API 598
- ASME CL,150,300,600,900,1500,2500
Didtek Dual Plate Wafer Check Valve are manufactured to the latest editionof API Standard 594 and tested to API Standard 598.
Metal Seat Design
Metal seats include a full penetrate
weld overlay of Stainless steel,
Stellite 6 and so on.
Soft Seat Design
Resilient seats are standard and
maintain positive shut-off.
Seats are vulcanized to the body
for maximun secruity.
Metal top and bottom thrust washers
reduce friction and wear
of valve plate hinges
Stable Performance Springs
Stable Performance Springs allow higher
torque to be exerted on each plate,
with independent closure in
response to process medium.
Dual plates pivot on a central vertical
shaft.As flow begins the heel of the
plates open first, this prevents
scrubbing of the sealing surface.
When plates are fully open the disc
will open to 85°to ensure positive closing.
1. In standard or competitive designs,
our manufactory drill four holes
through the body of the check valve to
facilitate the installation of a hinge
pin and stop pin. The valves
are sealed by four plugs.
2. Moreover internal stop pin and hinge
pin which are machined into the cavity
of the body wall. This design eliminates
a potential shell or body leak path.
- Light and Compact
- “Zero Leakage” Sealing Design with Soft Seated
- Non Slam Design
- Installed in the horizontal and vertical up positions
- Discs open 85° to ensure a low pressure drop.
- Positive sealing under most operating conditions.
- Bubble Tight Close Off
|Part Name || |
|Alloy Steel to ASTM ||Stainless Steel to ASTM |
|Stop Shaft ||A182 F6a ||A182 F6a ||A182 F6a ||A182 F6a ||A182 F6a ||A182 F6a ||A182 F304 ||A182 F316 ||A182 F304L ||A182 F316L |
|Shaft ||A182 F6a ||A182 F6a ||A182 F6a ||A182 F6a ||A182 F6a ||A182 F6a ||A182 F304 ||A182 F316 ||A182 F304L ||A182 F316L |
|Spring ||F304 ||A182 F304 ||A182 F316 ||A182 F304L ||A182 F316L |
|Disc ||A216 WCB+13Cr ||A216 WCB+13Cr ||A217 WC1 ||A217 WC6 ||A217 WC9 ||A217 C5 ||A351 CF8 ||A351 CF8M ||A351CF3 ||A351CF3M |
|Body || |
|A352 LCB+13Cr ||A217 WC1 ||A217 WC6 ||A217 WC9 ||A217 C5 ||A351 CF8 ||A351 CF8M ||A351CF3 ||A351CF3M |
We are experienced in valve manufacturer on Chemistry & Oil industry, our valves are qualified with
the API 6D, CE97/23/EC, ISO9001,ISO14001 standards, in good quality and very competitive price.
FAQ a) Why choose Didtek valves? Didtek Reply: Unbeatable value for money, fully certified production for all your tenders, 12 productions sites to offer you an unlimited range of valves, pipes and fittings, unlimited shipping options not to make you lose time or money, outstanding customer service: a single consultant will take care of all your requirements, making sure you get on time technical support, quotations, services and delivery. b) Where is Didtek Valve manufacturer base? Didtek Reply: The chosen location was Oubei town, a strategic position to reach a wide range of supplier of semi-finished products, foundries and raw materials and to be very close to Shanghai port. c) What's Didtek main product and market? Didtek Reply: Didtek Valve mainly manufacture Butterfly Valve
, Ball Valve, DIN Industrial Valve etc, our main market is European & American Market. d) What's the application of Didtek valves? Didtek Reply: Our valves are designed and developed for petrochemical industries, fertilizers, power plants, steel plants, nuclear application, paper mills, sugar plants, oil and natural gas industries and allied process industries. e) How is the Didtek Valve production? Didtek Reply: We are equipped with CNC lathes, automatic machining centers, automatic MIG seal welding and automatic hard facing facility to reduce human error. Today equipment and technology along with a qualified training to our employees produce valves as required by international market. f) Can I be an agent for Didtek products? Didtek Reply: Yes, we're looking for the agent all over the world, please contact us for further discussion. g) Can you deliver products exclusively made for us? Didtek Reply: Yes, we have the possibility to develop products that are unique for one customer subject to individual agreements. The products may differ in appearance, technical features or packaging. Please contact us to discuss your requirements. h) How is the process of Didtek valves tested? Didtek Reply: Didtek Valves pass the test in accordance to the customer’s request, please get detailed information from our catalogue or website. Contact Information
Contact us if you need more details on Double Plate Wafer Check Valve. We are ready to answer your questions on packaging, logistics, certification or any other aspects about High Quality Check Valve、Wafer Check Valve Cf8m. If these products fail to match your need, please contact us and we would like to provide relevant information.
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