Hi, Sign in
My Order
This product was successfully added to cart!
Check valve
Shipping: International shipping available
Shipping time: Standar(10-20 business days), Rush(5-10 business days)
Discount: Get 2% discount on orders of USD $100.00,Get 3% discount on orders of USD $200.00
Handling time: Ships within 3 business days after receiving cleared payment
Returns: 7 days money back guaratee,buyer pays return shipping
Product Detail
Customer Reviews
Shipping Guide
Delivery Time
Product Tags
Check valve product application:
Swing check valves are used in pipes under pressures between PN1.6-42.OMPa ,working tempertures between -48C-570C,they are usedin industries include oil, chemistry,pharmaceutical, fertilizer, and power generation to prevent the backflow of the media.
Check valve structure features:
1.Rational structure, reliable sealing, excellent performance, pretty appearance;
2.Co-radix alloy welded sealing surface, anti-wearing, erosion-proof abrasion-proof and longer use life;
3.Inside-set bolt-bearing structure reduces leakage and reliable use;
4.when pressures≥16.0MPa the valve belly , self-tightening structure offers a tighter sealing for a higher medium pressure;
5.Different parts materials and different sizes for flange, butt-welding are available for sensible combination according to different workingfacts and customers” requirements.
Main performance specifications of check valve:
| Design standard | GB/T12236 | ||||||
| Pressure-temperature rating | GB/T 12224 | ||||||
| Face-to-face | GB/T 12221、GB/T 15188.1 | ||||||
| Flange ends | GB/T9113、JB/T 79、EN1092、ASME B16.5/B16.47 | ||||||
| Buttwelding ends | GB/T12224 | ||||||
| Inspection&test | JB/T 9092、GB/T13927、API598 | ||||||
| (MPa) Test pressure |
Norminal pressure | PN1.6 | PN2.5 | PN4.0 | PN6.4 | PN10.0 | PN16.0 |
| Shell test | 2.4 | 3.8 | 6 | 9.6 | 15 | 24 | |
| High pressure seal test | 1.8 | 2.8 | 4.4 | 7.1 | 11 | 17.6 | |
| Low pressure seal test | 0.6 | ||||||
Check valve main parts material:
| Part name | Carbon steel | Stainless steel | Alloy steel | Low Temperature steel |
| Body | wCB | CF8 | wC6 | LCB |
| Seat | 25# | oCr18Ni9(304) | 12Cr1MoVA | oCr18Ni9(304) |
| Disc | wCB | CF8 | wC6 | LCB |
| Hingo | 20Cr13 | 304 | 20Cr13 | LCB |
| Pin | 1Cr13 | oCr18Ni9(304) | oCr18Ni9(304) | oCr18Ni9(304) |
| Bearing Bracket | wCB | CF8 | WC6 | LCB |
| Gasket | Fexible graphite iss304 | Fexible graphite+ss3o4 | Fkexible graphite iss3o4 | Flexible graphitos3o4 |
| Bonnet | wCB | CF8 | wC6 | LCB |
| stud | 35CrMoA | OCr18Ni9(304)/B8 | B16/25Cr2MoVA | 35CrMoA/B7 |
| Nut | 45# | oCr18Ni9(304)/8 | 7/35CrMoA | 45/2H |
Dimensional drawing of some products of check valve:
The following is the process you should take to complete your order through bank to bank transfer:
1. Please go to your bank (through online banking, ATM or going into a branch) and complete the transfer of money. Make sure that the amount you transfer is the exact total of your order. Payment details below:
- If your bank is located in Austria, Germany, Spain, France, United Kingdom, Italy, Netherlands, Belgium, Finland, Greece or Luxemburg you will pay to our WorldPay bank. You will see the bank details once you have placed the order.
PLEASE NOTE: If you are paying to our WorldPay bank you MUST include the Unique Payment Reference Number (you will receive this directly after paying the order) in the description section when completing payment to help us identify your order. Failure to do this will result in an unsuccessful transaction.
- If your bank is located in a country not listed above you will pay to our HSBC account. The details are below:
Bank Account:
Bank Code:
Beneficiary:
Bank Name:
Bank Address:
SWIFT Code:
PLEASE NOTE: If you are paying in this way you MUST write your Yourname order number in the description section when paying so we can easily recognize your payment. Failure to do this will result in a delayed or failed transaction.
2. When this is done, log in to your Yourname ‘My Account’ and complete the following:
Click ‘Order list’
Click ‘Pay’
Click ‘Complete Payment’ and fill in the related information for verification (This is an important step. If the information you have filled in does not match your bank details the payment can not be completed.)
Click ‘Submit’ to finish the procedure.
3. You will receive a payment confirmation email from us after your order’s payment has gone through successfully. If you do not receive this email, please contact us here: http://www.Yourname.com/help/
Please note that Yourname will begin to handle your items after payment has been cleared.
The tailoring and handling time is the number of business days we will take to process your items before shipping them. This processing includes order verification, item manufacturing, quality checking and packaging. This does not include the shipping time.
Different items and categories have different tailoring and handling times. However, on each item page the information is displayed next to the item photo as shown in the picture below.
Butterfly valve BNA2 Series The butterfly valve...
Gate valve
Ball valve
Copper valve series
