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API Cast Steel Check Valve

Product Description

Material: Stainless Steel Structure: Swing Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe Flow Direction: Bidirectional Application: Industrial Usage, Water Industrial Usage, Household Usage Trademark: FYV Origin: China Connection Form: Flange Pressure: Ordinary Temperature Sealing Form: Bellows Globe Valve Standard: ANSI Size: 2"-48" Specification: CE, SGS HS Code: 8481804090 Product Description
Swing Check Valve


1. Standards: BS1868, API6D, ASME B16.34

2. Raw material: Carbon steel, alloy steel, stainless steel

3. Valve material: WCB, CF8, CF8M, CF3, CF3M, C5, C12, WC6, WC9, LCB, LCC, etc.

4. Connection ends: RF, RTJ, BW

5. Pressure: 150LB-2500LB, PN16-PN250

6. Size: 2"-48"

7. Packing: Export Packing

Design & Manufacture Std.: API 6D, API 594, and ASME B16.34
Face to Face Std.: API 594, and API 6D
End Connection Std.: ASME B16.5, and ASME B 16.47
Test Standard: ISO5208, and API 6D

The features of check valve

Bolted Bonnet; Swing and lift disc; Metallic seating surfaces.

Body and Bonnet Connection
The body and bonnet of Class150~Class900 check valves are usually with studs and nuts. And the body and bonnet of Class1500~Class2500 check valves are usually of pressurized seal design.

Body-To-Bonnet Joint
Stainless steel + flesible graphite wounded gasket is used for Class 150 and Class 300 check valve; Stainless steel + flexible graphite wounded gasket is used for Class 600 check valve, and joint gasket is also optional for Class 600 check valve; Ring joint gasket is used for Class900 check valve; Pressurized seal design is used for Class 1500~Class 2500 check valves.

For carbon steel check valve, the seat is usually forged steel. The sealing surface of the seat is spray welded with hard alloy specified by the customer. Renewable threaded seat is used for NPS12 crbon steel gate valves. Forstainless steel check valve, integral seat is usually adopted, or to weld hard alloy directly integrally. Threaded or welded on seat is also optional for stainless steel check valve if being requested by the customer.

Our Advantages:
1. We Are Factory: FYV has 3 production bases and 1 foundry which located in Wenzhou, Shanghai and Lishui city of China. The Factory Size in Square Meters: 110, 000. FYV has over 600 staff members, more than 60 technical engineers, a digital process center and more than 350 sets of various middle and large equipments. The annual sales revenue reaches above $80 million US Dollars.
2. Regional Sales: We provide specialized sales service refers to different kind of region all over the world. Each sales team member is good at the local language and well experienced to the responsible market. For example: Russian, German, Spanish, Japanese, etc.
3. Low MOQ: Our factory owns the casting company by itself. We are always ready for providing the sample and producing some small orders, in order to meet the business well.
4. OEM Accepted: We can make the products with the client's demand standard or the custom requirement.
5. Complete Service: We are always ready to hear from you, be responding to your enquiry immediately. Our trade manager is always online for you.
6. Good Quality: We have strict quality control system and amounts of testing equipments for different kind of valve, such as size, pressure, working environment etc. We are winning the market reputation with the time goes by.
7. Quick Delivery: We have the large stock for some hot products.
8. Competitive Prices: We are the manufacturing company which not only has our own manufacturing workshop, but the casting company as well. We provide the straight factory price and service to our customer.
materials of parts
no part name ecarbon steel stainless steel low temperature carbon steel
1 body a216-wcb a217-wc6 a352-lcb
2 cover a216-wcb a217-wc6 a352-lcb
3 disc a105-cr13 a182-f11+hf a350-lf2+cr13
4 hinge a216-wcb a217-wc6 a352-lcb
5 fork part a216-wcb a217-wc6 a352-lcb
6 seat ring a105+cr13 a182-f11+hf a350-lf2+cr13
7 hinge pin a276-420 a276-304 a276-420
8 disc washer carbon steel a276-304 carbon steel
9 disc nut carbon steel a194-7 carbon steel
10 disc nut pin carbon steel a276-420 carbon steel
11 gasjet spiral wound (graphite+304)
12 stud a193-b7 a193-b16 a320-l7
13 stud nut a194-2h a194-7 a194-4
13 eyebolt carbon steel

Contact us if you need more details on Check Valve. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Wcb Check Valve、Swing Check Valve. If these products fail to match your need, please contact us and we would like to provide relevant information.

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