Enquiry Form



Model 933A

Flame Arrester Model 933A
Model 933A

Protection System
Tube protection against deflagration
Tube protection against detonation

Approval
ECtype examination certificate based on to directive 94/9/EC, according to ATEX 95 and ISO 16852

Protection
Gas/air or steam/air mixtures of the following 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
DN25, DN32, DN40, DN50, DN65, DN80 1", 11⁄4", 11⁄2", 2", 21⁄2", 3"

Connection Standards
DIN 2501 PN10
ANSI B16.5 – 150 RF

Materials
Strip protection: Stainless Steel, Special Alloys
<u: Stainless Steel, Special Alloys
Body/cap: 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)

Download the Model 933A brochure


Model 933G

Flame Arrester Model 933G
Model 933G

Protection System
Tube protection against deflagration
Tube protection against detonation

Approval
ECtype examination certificate based on to directive 94/9/EC, according to ATEX 95 and ISO 16852

Protection
Gas/air or steam/air mixtures of the following 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/cap: Stainless Steel, Carbon Steel, Special Alloys

Coating
Optional

Temperature Sensor
Resistance thermometer with ignition protection type
– Inherently safe (E Ex i)
– Pressureresistant enclosure (E Ex d)

Download the Model 933G brochure


Model 933S

Flame Arrester Model 933S
Model 933S

Protection System
Tube protection against deflagration
Tube protection against detonation

Approval
ECtype examination certificate based on to directive 94/9/EC, according to ATEX 95 and ISO 16852

Protection
Gas/air or steam/air mixtures of the following 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/cap: Stainless Steel, Carbon Steel, Special Alloys

Coating
Optional

Temperature Sensor
Resistance thermometer with ignition protection type
– Inherently safe (E Ex i)
– Pressureresistant enclosure (E Ex d)

Download the Model 933SE brochure