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Blind Flange

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Place of Origin:China
Brand Name:Jinhongda
Model Number:DN25-DN3200
Certification:ISO CE
Material:Stainless Steel 304/316/304L/316L
Minimum Order Quantity:1
Packaging Details:Cartons without pallet Cartons with pallet Or as buyer's requirements
Delivery Time:To be negotiated
Payment Terms:transfer and letter of credit
Supply Ability:10000 Piece/Pieces per Month

Blind flange is a solid plate, or commonly used steel plate, used to block pipe equipment at the joint of two flanges. The purpose is to test the pressure, leakage and plugging of pipeline equipment


Product NameFlange(304/F304 Pipe Fitting Wn RF/Rtj/FF ANSI/JIS/DIN/API 6A Cl150/Pn10/Pn16 Forged Stainless Steel Weld Neck Pipe Flange)
Pressure150#-2500#,PN0.6-PN400,5K-40K,API 2000-15000
StandardANSI B16.5,EN1092-1, SABA1123, JIS B2220, DIN, GOST,UNI,AS2129, API 6A, etc.
ThicknessSCH5S, SCH10S, SCH10, SCH40S,Std, XS, XXS, SCH20,SCH30,SCH40, SCH60, SCH80, SCH160, XXS and etc.
MaterialStainless steel: A182F304/304L, A182 F316/316L, A182F321, A182F310S, A182F347H, A182F316Ti, 317/317L, 904L, 1.4301, 1.4307, 1.4401, 1.4571,1.4541, 254Mo and etc.
Carbon steel: A105, A350LF2, S235Jr, S275Jr, St37, St45.8, A42CP, A48CP, E24 , A515 Gr60, A515 Gr 70 etc.
Duplex stainless steel: UNS31803, SAF2205, UNS32205, UNS31500, UNS32750 , UNS32760, 1.4462,1.4410,1.4501 and etc.
Pipeline steel: A694 F42, A694F52, A694 F60, A694 F65, A694 F70, A694 F80 etc.
Nickel alloy: inconel600, inconel625, inconel690, incoloy800, incoloy 825, incoloy 800H,C22, C-276, Monel400, Alloy20 etc.                                         Cr-Mo alloy: A182F11, A182F5, A182F22, A182F91, A182F9, 16mo3,15Crmo, etc.
Shipping WaysBy sea, it is convenient for bulk orders.                                         Cheap shipping cost, usually takes 30-60 days.
By air, quick delivery, for not very heavyweight orders.                                         Cheaper than Express. Takes around 7-12 days.
By express, samples, and small order.                                         A little expensive, but very quickly, usually 7-10 days, door to door.

One of its functions is to seal the end of the pipeline, and the other is to facilitate the removal of debris in the pipeline during maintenance. In terms of plugging effect, it has the same effect as head and pipe cap. However, the head cannot be removed, and the flange blind plate is fixed with bolts, which is very convenient to remove. Flange blind plates are made of carbon steel, alloy steel, stainless steel, plastic, etc. The blind flange plays the same role of isolation and cutting off as the head and pipe cap. Because of its good sealing performance, it is generally used as a reliable means of isolation for systems requiring complete isolation. The blind plate is a solid circle with a handle, which is used for the system in the isolation state under normal conditions. The spectacle blind is shaped like a spectacle blind. One end is a blind plate and the other end is a throttling ring, but the diameter is the same as the pipe diameter and does not play a throttling role. The spectacle blind plate is easy to use. When isolation is required, use the blind plate end. When normal operation is required, use the throttling ring end. It can also be used to fill the installation gap of the blind plate on the pipeline. Another feature is that the identification is obvious and it is easy to identify the installation status.

Competitive Advantage

Gongyi Jinhongda Pipeline Co., Ltd. has been committed to becoming the preferred supplier of various high-quality drinking water and drainage pipes and joints. With years of good long-term cooperation with state-owned steel plants, our own warehouses are equipped with a large number of inventories to ensure that we can provide customers with various pipeline options. It operates more than 100 varieties, with an annual sales volume of 200000 tons and a perennial stock of more than 5000 tons.

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