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Bolt Dia 18mm Pipeline DN65 2.5MPa Butt Welding Flange

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Bolt Dia 18mm Pipeline DN65 2.5MPa Butt Welding Flange

Bolt Dia 18mm Pipeline DN65 2.5MPa Butt Welding Flange
Bolt Dia 18mm Pipeline DN65 2.5MPa Butt Welding Flange

Large Image :  Bolt Dia 18mm Pipeline DN65 2.5MPa Butt Welding Flange

Product Details:
Place of Origin: China
Brand Name: Butt welding flange
Certification: ISO9001
Model Number: LJ-PF323
Payment & Shipping Terms:
Minimum Order Quantity: 100pcs
Price: Negotiation
Packaging Details: Export standard packaging
Delivery Time: Depends on the quantity of goods
Payment Terms: L/C, T/T
Supply Ability: Annual output 50000 tons

Bolt Dia 18mm Pipeline DN65 2.5MPa Butt Welding Flange

Product Name: Butt Welding Flange Material: Carbon Steel
Connection: Welding Standard: GB / ANSI /JIS / DIN
Packing: Standard Packing Usage: Convey Water Gas Oil
High Light:

2.5MPa Butt Welding Flange


DN65 Butt Welding Flange


Pipeline Butt Welding Flange


Butt welding flange, also known as high neck flange, is a kind of pipe fitting, which refers to the flange with neck and pipe transition and butt welding connection with pipe. Butt welding flange is not easy to deform, well sealed, and widely used. It is suitable for pipeline with large fluctuation of pressure or temperature or high temperature, high pressure and low temperature. The price is relatively cheap, and the nominal pressure is not more than 2.5MPa; It is also used for transporting expensive, inflammable and explosive media. The nominal pressure is about pn16mpa.

Bolt Dia 18mm Pipeline DN65 2.5MPa Butt Welding Flange 0


Standard:GB / ANSI /JIS / DIN


Usage:Convey Water Gas Oil


Installation sequence of butt welding flange:

1. First of all, before joining the butt welding flange, the internal and external sides of the connected stainless steel pipe fittings should be sorted out.

2. The flange plates with groove ring are respectively installed on the pipes to be connected.

3. Insert O-shaped rubber sealing ring and stainless steel sealing ring installed on both sides in the flange plate with groove ring. The inner diameter of the sealing ring is the same as that of the pipe.

4. Then connect the flange holes with bolts, and tighten the bolt assembly symmetrically.

5. When tightening the butt welding flange, attention should be paid to make the sealing of each joint reach the required specification.

Technical data sheet

Carbon Steel Flanges Butt welding flange technical data sheet as below:

Nominal diameter 16kg=l. 6MPa
outer diameter Bolt hole distance Bolt diameter Bolt hole number Flange thickness
DN10 90 60 14 4 14
DN15 95 65 14 4 14
DN20 105 75 14 4 16
DN25 115 85 14 4 16
DN32 140 100 18 4 18
DN40 150 110 18 4 18
DN50 165 125 18 4 20
DN65 185 145 18 4 20
DN80 200 160 18 8 20
DN100 220 180 18 8 22
DN125 250 210 18 8 22
DN150 285 240 22 8 24


a. Plastic bubble bag package b.Wove bag package c.Pallet d. Customized.

Delivery time

Our Steel flat factory have high ability for production, the delivery time is 35 days for small quantity, or if you are hurry for that, we can arrange and meet your shipping date.

Contact Details
Xi'an Longjoy Foreign Trade Co.,Ltd

Contact Person: Rachel Zhang

Tel: 13679287344

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