Flanges & fittings
Industrial components under BNG control
Carbon steel, stainless steel, alloy steel. ASME, EN, DIN, API standards. Every product passes inspection by BNG's own QC team directly in the factory in Asia.
Flanges
Carbon Steel
Carbon Steel
Standards
Types
Weld Neck (WN) · Slip-On (SO) · Blind (BL) · Socket Weld (SW) · Threaded (TH) · Lap Joint (LJ)
Material grades
A105, A350 LF2, A694 F52/F60/F65
Sizes
½" – 60"
Ratings / Sch
150# – 2500# / PN6 – PN420
Flanges
Stainless Steel
Stainless Steel
Standards
Types
Weld Neck · Slip-On · Blind · Socket Weld · Threaded
Material grades
A182 F304/304L, A182 F316/316L, A182 F321, A182 F347
Sizes
½" – 24"
Ratings / Sch
150# – 2500# / PN6 – PN420
Flanges
Alloy Steel
Alloy Steel
Standards
Types
Weld Neck · Blind · Slip-On
Material grades
A182 F5, A182 F9, A182 F11, A182 F22, A182 F91
Sizes
½" – 24"
Ratings / Sch
150# – 2500#
Fittings
Carbon Steel
Carbon Steel
Standards
Types
Elbows 90°/45° · Equal/reducing tees · Concentric/eccentric reducers · Caps · Couplings
Material grades
A234 WPB, A420 WPL6, A860 WPHY 52/60/65
Sizes
½" – 48"
Ratings / Sch
Sch 10 – Sch XXH
Fittings
Stainless Steel
Stainless Steel
Standards
Types
Elbows 90°/45° · Tees · Reducers · Caps
Material grades
A403 WP304/304L, A403 WP316/316L
Sizes
½" – 24"
Ratings / Sch
Sch 5S – Sch 80S
Special parts
Custom manufacturing
Custom / Special
Standards
Types
Orifice flanges · Long weld neck · Spectacle blinds · Paddle blinds · Studding outlets · Nozzles
Material grades
Per requirement — CS, SS, Duplex, Inconel
Sizes
Per specification
Ratings / Sch
Per specification
Every product under BNG control
We do not buy and sell blindly. Our own employees are physically present in the factory throughout the entire production process — from forging to final inspection and packaging.
Own QC team directly in factory — every batch inspected before dispatch
Own laboratories for material testing and PMI (positive material identification)
MTR (Mill Test Report) certificates with every delivery
Packaging and marking per customer requirements or project specification
Third-party inspection (TPI) available — SGS, Bureau Veritas, Intertek
BNG inspector — flange inspection before dispatch
www.bngflgroup.com — own QC team in factory
Certifications and standards
All BNG products are delivered with complete documentation per the applicable standard.
ISO 9001:2015
Quality management system
PED 2014/68/EU
Pressure equipment — EU
ASME B16.5
American flange standards
EN 1092-1
European flanges
API 6A / 6D
Oil and gas industry
NACE MR0175
Sulfide stress cracking resistance
Complete price lists and technical specifications
BNG distributors have access to complete price lists, technical specifications, MTR certificates and documentation through the BNG Distributor Ecosystem portal. Apply for a distributor account to get full access.