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Dare to innovate, dare to challenge
Shanxi Zhonglifalan Co., Ltd. is located in Dingxiang County, Xinzhou City, Shanxi Province, 10 kilometers from Wutai Mountain Airport. Established in 1997, with a registered capital of 100 million yuan, it is a high-tech enterprise specializing in the production of various alloy forgings and equipment structural parts. -
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Seek truth from facts and pursue excellence
The company has an annual production capacity of 50,000 tons. It is capable of forging large forgings with a diameter of 8 meters, a single-piece weight of 50 tons, and a radial height of 1.3 meters, as well as ultra-large metal thin-walled shells with a spin-forming wall thickness >2mm, a diameter of 2 meters, and a length of 4 meters. -
Empathy, service with heart
Products are mainly used in aviation, aerospace, defense, shipbuilding, steam turbines, petroleum refining and chemical industry, coal chemical industry, metallurgy, nuclear power, pressure vessels and other fields.
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Contact Us
Address: Dingxiang, Xinzhou, Shanxi, China
Mobile:+86-18535089110
Email:zhongliflange@163.com
Plate Flange
- Product Description
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Plate Flange (PL) – Flat face, full bore, one-piece forged
A plate flange (PL flange, flat flange) is a flat, circular forging with a central bore and a ring of bolt holes. Slip it over the pipe, weld both sides, and the line is sealed—no hub, no neck, just a flat flange that keeps installation simple and costs low.
Note: A plate flange has a bore and connects pipes; a blind flange (BL) has no bore and blocks flow—choose PL for connection, BL for isolation.Standard range we supply
Item Typical range Nominal size
NPS ½ – 48 (DN 15 – DN 2000)
Pressure class
150 – 2500 lb (PN 6 – PN 400)
Faces
RF, FF, RTJ
Materials
A105, LF2, F304, F316L, F51 duplex, etc.
Why operators pick a plate flange
One-piece forging – UT Class C/c, no recordable flaw > 2 mm
Same rating line – meets ASME B16.5 & B16.47 up to 2500 lb
Flat face – even gasket compression, no hub to pre-heat
Cost-effective – 20–30% lighter than weld-neck, same bolt circle
Site-friendly – slips on both sides, aligns fast in tight racks
Typical services
Cooling-water ring mains
Lube-oil headers inside packages
Cryogenic transfer lines (-196 °C, stub in 304L)
Food-grade process piping (polished RF, Ra ≤ 0.8 µm)
On-skid instrument air loops
Quick selection guide
Service Class Material Face Cooling water
150
A105
RF
Sea water
300
F316L
FF
Sulphuric acid
150
F51
RF
LNG
300
F304L
RF
Instrument air 150
A105
FF
Need a flat forged ring that connects without a hub? Send the NPS, schedule and facing, and we will quote a plate flange in 24 h.
Keywords:
Zhongli
Flange
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West of Airport Road, North of Hutuo River Bridge, Dingxiang , Shanxi Province
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