Cast Steel Lift Type Check Valve Wafer Type

Material: Cast Steel Structure: Swing Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence Flow Direction: Bidirectional Application: Industrial Usage, Water Industrial Usage, Household Usage Trademark: FYV Specification: CE, SGS HS Code: 8481804090 Connection Form: Flange Pressure: Ordinary Temperature Sealing Form: Bellows Globe Valve Standard: ANSI Size: 2′′-36′′ Transport Package: Wooden etc Origin: China MAIN FEATURES:
The valve is opened/closed by the valve disc moving in a direction parallel to the valve seat hole axis and can only be installed on horizontal pipelines with the major function of preventing medium backflow when shutting down the pump and maintaining the water column required by pumping.

Design:
Design standard as per: BS1868, ASME B16.34, GB/T 12235.
Compact and reasonable product structure, reliable tightness and good performance;
Lift piston type disc;
Rapid closing and flexible actions of the valve disc
Small closing impact, water hammer is not liable to be generated;
Design standard as per: BS1868, ASME B16.34, GB/T 12235.
Compact and reasonable product structure, reliable tightness and good performance;
Lift piston type disc

Product Range:
Body material: Carbon steel, stainless steel, alloy steel
Nominal diameter: 1/2"~16"(DN15~DN400)
Pressure range: Class150~2500(PN10~PN420)
End connection: RF, RTJ, BW
Working temperature: -196º C~+560º C

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 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.

ITEM	PART NAME	MATERIAL
1	Body	ASTM A216 GR.WCB
2	Seat Ring	ASTM A105 + Setllite Faced
3	Disc	ASTM A216 GR.WCB + 13Cr Faced
4	Disc Washer	ASTM A276 Type 410
5	Disc Nut Pin	Stainless Steel
6	Disc Nut	Stainless Steel
7	Hinge	ASTM A216 GR.WCB
8	Hinge Pin	ASTM A182 GR.F6
9	Bearing Bracket	ASTM A216 GR.WCB
10	Spring Washer	Carbon Steel
11	Hex, Bolt	Carbon Steel
12	Gasket	Soft Iron + Graphite
13	Cover Bolt	ASTM A193 GR.B7
14	Cover Bolt Nut	ASTM A194 GR.2H
15	Cover	ASTM A216 GR.WCB
16	Eye Bolt	Carbon Steel

Cast steel check valve-Class 150 dimensions & weights

Size		L/L 1		L2		H		Weight RF
in	mm	in	mm	in	mm	in	mm	kg
2"	50	8.00	203	8.50	216	6.10	155	19
2.5"	65	8.50	216	9.00	229	6.70	170	26
3"	80	9.50	241	10.00	254	7.09	180	29
4"	100	11.50	292	12.00	305	8.66	220	46
6"	150	14.00	356	14.50	368	10.55	268	77
8"	200	19.50	495	20.00	508	12.20	310	163
10"	250	24.50	622	25.00	635	14.57	370	220
12"	300	27.50	699	28.00	711	16.73	425	366
14"	350	31.00	787	31.50	800	18.70	475	428
16"	400	34.00	864	34.50	876	20.67	525	555
18"	700	38.50	978	39.00	991	22.83	580	775
20"	450	38.50	978	39.00	991	24.72	628	835
24"	500	51.00	1295	51.50	1308	34.72	882	1180
30"	750	60.00	1524	------	------	38.27	972	1960

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

Product Categories : Check Valve