DLFT CO., LTD. is a exporter of comprising steel forged flanges for pressure piping. Since our establishment in 2004, we have kept exporting forged steel flanges for more than 20 years.

1. Production Equipment & Machining Capacity

Our forged steel flange factory’s facility is fully integrated with comprehensive production and inspection equipment, comprising 165 units of in-house production machinery and 42 units of testing and inspection equipment. The overhead crane system provides a lifting capacity of 32 tons, enabling the manufacture of single-piece forgings weighing up to 10 tons. We maintain a complete, end-to-end manufacturing chain with dedicated equipment for:Raw material storage，Material handling and lifting，Cutting and billeting，Automated temperature-controlled heating，Forging，Heat treatment，Chemical and metallurgical analysis，Mechanical property and metallographic examination，Machining，Marking and stamping，Anti-corrosion coating，Pickling and passivation.Key cutting equipment includes:Slide-type vertical in-feed band sawing machine – cutting range up to 2,500 mm width × 1,600 mm height.Gantry-type CNC flame cutting machine – cutting range up to 4,000 mm × 8,000 mm, capable of meeting the cutting and oxy-fuel gas cutting requirements for various raw materials and custom-shaped products.Forging equipment is predominantly configured for Drop Forging，Open-die forging, supplemented by ring rolling, with a well-tiered arrangement of large, medium, and small capacity units, complemented by automatic billets manipulators and forging robots.
We operate ten regenerative-type automated temperature-controlled heating furnaces and heat treatment resistance furnaces.Machining equipment features a high proportion of CNC lathes, CNC drilling machines, and CNC machining centers, including a gantry-type boring and milling center capable of machining various custom-shaped forgings within the range of 2,500 mm × 4,000 mm. Additional equipment includes vertical lathes and universal lathes with a machining range up to ∅ 4,000 mm.We also operate: One 40-meter automated coating and anti-corrosion production line;Five units of rolling-type, low-stress pneumatic, and laser marking machines

2. Product Range & Applicable Standards

We are capable of supplying a full range of forged steel flanges in various types and material grades, in full compliance with international and industry standards, including but not limited to: ASME B16.5 / ASME B16.47;EN1092-1;BS;DIN;JIS;KS
Our products are available in all standard flange types, facing styles, and pressure ratings, and are manufactured to meet the specific requirements of each applicable standard.

3.Material & Grades of Reducing Flanges:

Carbon Steels:A516 Gr.70 ANTI-HIC, A694 F52 / F60 / F65 / F70, A105, SA-266M, 20#, 16Mn, 16MnHIC, 20#HIC, and equivalents.

Alloy Steels:SA182-F11, SA182-F22, 15CrMo, 20MnMoNb, 25Cr2MoVA, 14Cr1Mo, 12Cr2Mo1, 08Cr2AlMo, 12Cr5Mo, 38CrMoAl, 20MnNiMo, SA-508 Gr.3, and equivalents.

Low-Temperature Steels:SA350 LF1 / LF2 / LF3, 09MnNiD, 16MnD, 20MnMoD, 08Ni3D, 10NiMoVD, and equivalents.

Stainless Steels:F304 / 304L / 304H (1.4306), F316 / 316L / 316H (1.4404), F321 (1.4541), 316Ti (1.4571), F347 / F347H (1.4550), F317 (1.4449), F310 (1.4845), F904L (S39042 / 1.4539), X2CrNiMo25-22-2, SA-182M F310MoLN, A182 F6NM, A182 F6a, and equivalents.

Duplex & Super Duplex Stainless Steels:S31803 (2205), F51 (S22253), F60 (S22053 / 2205), F53 (S25073 / 2207), and equivalents.

Specialty Alloys & Nickel Alloys:SB462-N08020, Incoloy 800, UNS N08020, B564 UNS N10276, UNS N08367, NS1403, and equivalents.

3. Quality Assurance & Testing Capabilities:

Our quality control laboratory is equipped with industry-leading testing instruments, all of which are maintained under strict calibration schedules, ensuring that every product leaving our factory meets the highest quality standards. Our testing capabilities include:

4. Certifications & Quality Management System

Our facory maintains a robust quality management system supported by experienced production management personnel. We hold the following certifications:
ISO 9001 – Quality Management System
ISO 14001 – Environmental Management System
ISO 45001 – Occupational Health and Safety Management System
Safety Registration Certificate for Steel Forgings for Pressure Vessels – issued by the National Technical Committee on Boilers and Pressure Vessels Standardization
ASME Certification – applicable to our forging manufacturing processes
AD 2000 – W0 / PED Annex I, paragraph 4.3 – EU Pressure Equipment Directive certification
Marine Product Factory Approval (CCS) – China Classification Society
EAC Certification – Customs Union of Russia (Eurasian Conformity)
FOR DETAILS ABOUT DLFT CO LTD.

FORGED STEEL FLANGES

Carbon-Steel-Weld-Neck-Flanges	GALVANIZED WELDING NECK FLANGES	ELECTRO GALVANIZED STEEL FLANGES WELD NECK FLANGES	Golden-Alloy-Steel-Welding-neck-Flanges
carbon steel slip on flange	carbon-steel-plate-flanges	GALVANIZED SLIP ON FLANGES	Hubbed Slip-On FLANGES
carbon-steel-threaded-screwed-flanges	carbon-steel-asme-b16-5-threaded flanges	Galvanized screwed-threaded-flanges	Galvanized Threaded Flanges
BLACK PAINTED SOCKET WELD FLANGES	carbon-socket-weld-flange	Socket Weld Flange	Galvanized socket-weld-flanges
carbon-steel-blind-flanges	BL Blind Flange	Galvanized blind-flanges-dummy-flange	BLIND FLANGES
Galvanized Lap-Joint-Flanges	LAP JOINT FLANGES	LAP JOINT FLANGES	LAP JOINT FLANGE
LWN-carbon-steel-long-welding-neck-flanges	Galvanized Long-Weld-Neck-Flanges	long weld neck flange	ASME-B16.5-Long Welding Neck Flanges
Black Painted Spectacle-Blind-Flanges	carbon-spectacle-blind-flange	carbon-steel-spectacle-blind-flanges	Galvanized Spectacle-Blind-Flanges
Galvanized Reducing-Flanges	Black Painted Reducing-Flange	Galvanized Expander-Flanges	Reducing-Flange
WN weld neck flange packed ready for shipment	FLANGE PACKEC IN WOODEN CASE READY FOR SHIPMENT	carbon-plate-flange in packing	FLANGES READY FOR SHIPMENT