Flame Arrester Model 933S

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)

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