Structure description

During the use of this valve, the medium flows in the direction of the arrow shown in the figure.

1. When the medium flows in the prescribed direction, the valve disc is opened by the force of the medium; when the medium is flowing backward, the valve disc is tightly sealed with the valve seat due to the weight of the valve disc and the reverse force of the medium Closed together to achieve the purpose of preventing the medium from flowing back.

2. The sealing surfaces of the valve body and disc are made of stainless steel.

3. The structural length of this valve is in accordance with GB12221-1989, and the flange connection size is in accordance with JB / T79-1994.

	Valve Type:Check Valve
	Connection Type: Welding
	Nominal Diameter:DN10mm~DN25mm
	Nominal Pressure:PN32.0MPa
	Material: Valve Body:CF8; Valve Disc:06Cr19Ni10; Valve Stem :06Cr19Ni10; Stuffing:PTFE; Disc Sealing:PCTFE
	Suitable Medium:LO2,LN2,LAr,LNG,etc
	Suitable Temparature:(-196℃~+80℃)
	Design and Manufacture:Conform to GB/T24925-2010
	Testing:Conform to GB/T13927-2008
	Valve Lifetime:Specified according to usage frequency and installation location
	Lead Time:Customized valves are usually 30~45 days; Stock valves are usually within 5 days.

Si Chuan Liangchuan Mechanical Equipment Co.,Ltd is a high-tech company specializing in the production of many kinds of valves,especially cryogenic valves.The main products are cryogenic valves,gate valves,globe valves,ball valves,butterfly valves, check valves,safety valves,etc.Our company has many national technology patents.And our company has established and improved the special equipment manufacturing management system and ISO 9001 international quality system and passed the certifications.In 2015,we have passed the certification of High Technology Enterprise.Liangchuan has established a strict and complete test organization, in order to ensure that the product quality is in line with relevant national standards,industry standards and corporation standards.

Q1. Is sample order acceptable?
A: Yes.It's ok.

Q2. How to place the order?
A: You can send us email or inquiry at alibaba directly.

Q3. How many days for delivery?
A: We have stock for standard products.

Q4. How to make the payment?
A: We accept BankT/T,Western Union,Paypal, L/C or Other payments;

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. How Will You Make the Shipment?
A.Sea Shipment by Pallet Packing.
B.Air.
C.Express Service.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.