Model 933S Inline Deflagration Flame Arrester

Model 933S

Flame Arrester Model 933S

Pipe Protection

Protection System Tube protection against deflagration
Tube protection against detonation
Approval EC type examination certificate based upon Directive 94/9/EC, according to ATEX 95 and ISO 16852
Protection Gas/air or steam/air mixtures of the explosion groups:
– I (methane) NSW ≥ 1.14 mm
– IIA (D) NSW ≥ 0.90 mm
– IIB3 (C) NSW ≥ 0.65 mm
– IIC (B) NSW ≥ 0.50 mm
Pipe Sizes 1", 11⁄4", 11⁄2", 2", 21⁄2", 3"
Connection Standards Rp according to ISO 71 (DIN 2999)
BSP according to BS 21
NPTF according to ANSI B1.20.3
Materials Strip protection: Stainless Steel, Special Alloys
Rust cage: Stainless Steel, Special Alloys
Body: Carbon Steel, Stainless Steel, Special Alloys
Coating Optional
Temperature Sensor Resistance thermometer with ignition protection type
– Inherently safe (E Ex i)
– Pressureresistant enclosure (E Ex d)