Railway Passenger Seats First Class Seats Second Class Seats

Railway Passenger Seats First Class Seats Second Class Seats

Category： Coach Interiors
Application: high speed train
Standard: TB/T 3263.1-2023
Single seat width: 470–530 mm
Max. backrest inclination: 105°–120°
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Railway Passenger Seats First Class Seats Second Class Seats

1. Product Overview

Our high-speed rail EMU/DMU seats include first-class seats (2+2 layout) and second-class seats (3+2 layout). The seats are composed of seat cushions, backrests, and can be equipped with rotating mechanism, armrests, footrests, lumbar supports, headrest and other components. Design and manufacturing strictly comply with Chinese railway standard TB/T 3263.1-2023 Seat for EMU/DMU - Part 1: First class seat and second class seat.

2. Technical Standards for Main Components

Seat cover: Colour fastness conforms to GB/T 25-2008

Polyurethane seat cushion: Physical and mechanical properties meet QB/T 2080

Non-metallic materials: Fire resistance meets TB/T 3237; hazardous substance limits comply with TB/T 3139

Materials, performance, production and inspection conform to TB/T 3263.1-2003

3. Dimension Comparison

Item	First Class Seat (2+2 layout)	Second Class Seat (3+2 layout)
Single seat width	470–530 mm	400–460 mm
Row spacing (front to rear)	1080–1200 mm	860–1020 mm
Max. backrest inclination	105°–120°	105°–115°
Headrest height adjustment	150–200 mm	80–120 mm
Armrest width	120–150 mm	100–120 mm

4. Material Comparison: First Class vs Second Class

Part	First Class Seat	Second Class Seat
Seat frame	High-strength cold-rolled steel / aluminum alloy, magnesium alloy for some models	High-strength cold-rolled steel
Cushion & backrest core	High-density PU foam (≥40kg/m³), high-resilience / slow-rebound composite	Medium-high density PU foam (30–35kg/m³)
Cover fabric	Premium flame-retardant fabric / faux leather / genuine leather, color fastness ≥4, abrasion resistance ≥50,000 cycles	Standard flame-retardant polyester fabric, color fastness ≥4
Armrest	Hard engineering plastic with faux wood / leather cover	Hard engineering plastic
Footrest / leg rest	Cold-rolled steel + engineering plastic with anti-slip rubber	Engineering plastic
Rotation & adjustment mechanism	Precision cast steel / aluminum alloy with high-strength bearings	Cold-rolled steel stamping parts
Electrical parts	Flame-retardant ABS+PC, copper contacts, independent USB + AC sockets	Flame-retardant ABS, copper contacts, shared sockets
Headrest & lumbar support	PU foam with premium fabric, adjustable	PU foam with standard fabric
Non-metallic materials	Comply with TB/T 3237 fire resistance & TB/T 3139 environmental protection	Same standards