Description
Pressure sealing cover, swing type disc
Ene: Threaded or welded seat ring
Material: ASTM A216 WCB, A217 Wc6, A351 CF8, A351 CF8M, A351 CF3, A351 CF3M, A351 CN7M
Standards compliance
Design and Manufacture: ANSIB16.34, API 6D, BS1868
Face to face(end to end): ANSIB16.10, API 6D
Flanged connection: 2~~24~to ANSIB16.5
Butt welded end: ANSIB16.25
Test and inspection: API 598, API 6D
A. Back up ring: Absorbs thrust applied by internal pressure.
B. Thrust ring: Pretects the soft metallic gasket from detemation.
C. Gasket Unique angutar design provides superior sealing.
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.
Seat
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 NPS<10 check valves, and welded on seat can be also optional if being requested by the customer. Welded on seat is used for NPS>12 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 List |
| NO. | Part name | Material |
| 16 | Split pin | Stainless steel |
| 15 | Washer | Stainless steel |
| 14 | Disc pin | CS/SS |
| 13 | Hinge pin | CS/SS |
| 12 | Seat ring | CS+SS/SS/SS+STL(see body materials) |
| 11 | Disc | CS+SS/SS/SS+STL(see body materials) |
| NO. | Part name | WCB | LCB | WC6 | WC9 |
| 10 | Yoke stud&nut | A193 Gr B7/A194 Gr 2H | A320 Gr L7/A194 Gr 4 | A193 Gr B16/A194 Gr 4/7 | A193 Gr B16/A194 Gr 4/7 |
| 09 | Cover stud&nut | A193 Gr B7/A194 Gr 2H | A320 Gr L7/A194 Gr 4 | A193 Gr B16/A194 Gr 4/7 | A193 Gr B16/A194 Gr 4/7 |
| 08 | Gasket | Soft iron | Soft iron | SS304 | SS304 |
| 07 | Thrust ring | A182 F6a | A182 F304 | A182 F11 | A182 F22 |
| 06 | Back up ring | A182 F6a | A182 F304 | A182 F11 | A182 F22 |
| 05 | Yoke | A216 Gr WCB | A352 Gr LCB | A217 Gr WC6 | A217 Gr WC9 |
| 04 | Hinge | A216 Gr WCB | A352 Gr LCB | A217 Gr WC6 | A217 Gr WC9 |
| 03 | Cover | A216 Gr WCB | A352 Gr LCB | A217 Gr WC6 | A217 Gr WC9 |
| 02 | Bonnet | A216 Gr WCB | A352 Gr LCB | A217 Gr WC6 | A217 Gr WC9 |
| 01 | Body | A216 Gr WCB | A352 Gr LCB | A217 Gr WC6 | A217 Gr WC9 |
| NO. | Part name | C5 | LCB | WC6 | WC9 |
| 10 | Yoke stud&nut | A193 Gr B16/A194 Gr 4/7 | A193 Gr B16/A194 Gr 4/7 | A193 Gr B7/A194 Gr 2H | A193 Gr B7/A194 Gr 2H |
| 09 | Cover stud&nut | A193 Gr B16/A194 Gr 4/7 | A193 Gr B16/A194 Gr 4/7 | A193 Gr B7/A194 Gr 2H | A193 Gr B7/A194 Gr 2H |
| 08 | Gasket | SS304 | SS304 | SS304 | SS316 |
| 07 | Thurst ring | A182 F5 | A182 F22 | A182 F304 | A182 F316 |
| 06 | Back up ring | A182 F5 | A182 F22 | A182 F304 | A182 F316 |
| 05 | Yoke | A217 Gr C5 | A217 Gr C15 | A351 Gr CF8 | A351 Gr CF8M |
| 004 | Hinge | A217 Gr C5 | A217 Gr C15 | A351 Gr CF8 | A351 Gr CF8M |
| 03 | Cover | A217 Gr C5 | A217 Gr C15 | A351 Gr CF8 | A351 Gr CF8M |
| 02 | Bonnet | A217 Gr C5 | A217 Gr C15 | A351 Gr CF8 | A351 Gr CF8M |
CLASS600~2500PRESSURESEALINGSWINGCHECKVALVE
| Dimensions |
| Class 600 |
| Size | inch | 2 | 2-1/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
| L,L1 | mm | 292 | 330 | 355 | 431 | 508 | 558 | 660 | 787 | 838 | 889 | 991 | 1092 | 1194 |
| L1-SP | mm | 178 | 216 | 245 | 304 | 381 | 457 | 584 | 711 | 812 | 889 | 991 | 1092 | 1194 |
| H | mm | 240 | 265 | 275 | 325 | 370 | 425 | 500 | 555 | 610 | 725 | 755 | 850 | 925 |
| WT.(approx) | Kg | 20 | 38 | 45 | 45 | 95 | 125 | 220 | 330 | 505 | 595 | 800 | 1150 | 1600 |
| Dimensions |
| Class 900 |
| Size | inch | 2 | 2-1/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 |
| L,L1 | mm | 368 | 419 | 381 | 457 | 559 | 609 | 736 | 838 | 965 | 1029 | 1130 | 1219 |
| L1-SP | mm | 368 | 254 | 305 | 355 | 432 | 508 | 660 | 787 | 914 | 991 | 1092 | 1219 |
| H | mm | 250 | 580 | 290 | 335 | 380 | 440 | 510 | 570 | 620 | 730 | 790 | 860 |
| WT.(approx) | Kg | 44 | 57 | 75 | 105 | 140 | 230 | 440 | 590 | 870 | 1085 | 1225 | 1700 |
| Dimensions |
| Class 1500 |
| Size | inch | 2 | 2-1/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 |
| L,L1 | mm | 368 | 419 | 470 | 546 | 673 | 705 | 832 | 991 | 1130 | 1257 | 1384 |
| L1-SP | mm | 216 | 254 | 305 | 406 | 483 | 559 | 711 | 864 | 991 | 1067 | 1194 |
| H | mm | 265 | 295 | 310 | 345 | 385 | 460 | 515 | 590 | 645 | 765 | 800 |
| WT.(approx) | Kg | 65 | 72 | 80 | 125 | 160 | 300 | 525 | 960 | 1130 | 1450 | 2100 |
| Dimensions |
| Class 2500 |
| Size | inch | 2 | 2-1/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 |
| L,L1 | mm | 451 | 508 | 578 | 673 | 794 | 914 | 1022 | 1270 | 1422 |
| L1-SP | mm | 279 | 330 | 368 | 457 | 533 | 610 | 762 | 914 | 1014 |
| H | mm | 280 | 310 | 325 | 370 | 425 | 500 | 525 | 630 | 695 |
| WT.(approx) | Kg | 78 | 95 | 110 | 205 | 395 | 495 | 900 | 1300 | 1950 |
Fangyuan Valve Group Co. Ltd, seated at Wuxing Industrial Zone, Oubei, Yongjia County, so called as "Pump & Valve Village of China", close to the national scenic spot Nanxijiang River to the east and facing the downtown of Wenzhou City to the south, and established in 1998 with the former as Zhejiang Fangyuan Valve Manufacturing Co. Ltd, has got a great achievement via hard work and continual going forth ahead and become a magnate of plate gate valve from an unknown small enterprise and leads the future of this industry. Fangyuan Valve Group Co. Ltd was derived from Zhejiang Fangyuan Valve Manufacturing Co. Ltd in 2005 and holds 5 stock subsidiaries, three production bases in Wenzhou, Shanghai and Lishui and a cast base in Lishui, a total registered capital up to 4, 000, 000 USD, a total land area 110000m2, over 600 staff members, 60 of which are technicians, a digital process center and more than 350 sets of various middle and large equipments and an annual output up to 12000 tons.
This Group comes as a key enterprise among the said"Pump & Valve Village of China"and a well known enterprise in the national valve industry and specializes in the production of plate gate valve, gas valve, electric station valve etc., with the development, design and invention patent know-how up to the advanced technical level of the world and the leading level of the nation and some of the products used to replace the imported ones. This Group has been accredited to ISO9001, API6A/6D, CE, AZ etc., won the first prize of scientific advance of Zhejiang Province and elected as a member of the first-grade supply network of China Petroleum, a member of China Petrochemical Resource Market, a member of No. 1 Energy Network, a member for supply of the national electric power system, an appointed production enterprise by Chemical Equipment General Corp., a Wenzhou high-tech enterprise, a start enterprise of Yongjia County, one of the 30 powerful enterprises among the said village and a banking credit AAA grade enterprise in the successive recent years. It holds a powerful strength in the technical, management and market etc. Respects and a notable superiority in the severe market competition.
The products, approved by the nation and province early or late, have been elected as quality products of Zhejiang Province and well-known ones of Wenzhou. This Group follows the guide policy of"takeing people as the base, managing the company with laws, prospecting the enterprise with quality, continuing innovations"and makes the products well sold to all over the country and USA, Canada, the Middle East, Europe etc. World markets, greatly favored by the users therein. Therefore a solid basis has been made for the further open-up of the world market, for the making of Fangyuan brand, for the national industrial progression and for the great target to create a valve magnate of China and step forward to the 50 powerful valve companies of the world.
Slab gate valve: Slab gate and expanding gate, double sealed upstream and downstream design, double block and bleed open and closed design. Size: DN50~DN1400, pressure: PN16~PN420, handwheel, gear, electric, pneumatic.
Fully welded ball valve.
Forged steel valve. Material: A105, LF2, F11, F22, F5, F304, F316, F321 etc.
