Enquiry Form



Over Pressure and Under Pressure Valves

Model 937E

Flame Arrester Model 937E
Model 937E

Protection
End of line deflagration arrester

Approval
EC type examination certificate based upon Directive 94/9/EC, according to ATEX 95 and ISO 16852, EN 134631 and EN 134635

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

Pipe Sizes
DN50, DN80, DN100, DN150, DN200, DN250 2", 3", 4", 6", 8", 10"

Connection Standards
ISO 7005 PN10
ANSI B16.5 – 150 RF

Materials
Strip protection: Stainless Steel, Special Alloys
Valve insert: Stainless Steel, Special Alloys
Valve seat: Stainless Steel, Special Alloys
Body: Ductile iron, Stainless Steel

Set Pressure
Overpressure +5 mbar to +50 mbar
Underpressure 2.5 mbar to 50 mbar

Download the Model 937E brochure


Model 937P

Flame Arrester Model 937P
Model 937P

Protection
End of line deflagration and continuous burning flame arrester

Approval
EC type examination certificate based upon Directive 94/9/EC, according to ATEX 95 and ISO 16852, EN 134631 and EN 134635

Protection
Gas/air or steam/air mixtures of the following explosion groups:
– I (methane) NSW ≥ 1.14 mm
– IIA (D) NSW ≥ 0.90 mm

Pipe Sizes
DN50, 2"

Connection Standards
ISO 7005 PN10
ANSI B16.5 – 150 RF

Materials
Strip protection: Stainless Steel, Special Alloys
Valve insert: Stainless Steel, Special Alloys
Valve seat: Stainless Steel, Special Alloys
Body: Ductile iron, Stainless Steel

Set Pressure
Overpressure +2.5 mbar to +50 mbar
Underpressure 3 mbar to 50 mbar

Download the Model 937P brochure