RS 903

GAS VALVES

Ball valve

RS 903

MAIN CHARACTERISTICS of
Ball valve RS 903

RS 903 ball valves have a three-piece body made of forged or cast carbon steel; the bodies are joined by means of bolts and nuts or screws and the sealing consists of an elastomeric O-ring.
Upon request, the fire-safe valves can be provided with graphite gaskets for the fire-safe design or with an additional sealing for emergency cases by sealant injection.

NOMINAL DIAMETER DN 50 ÷ DN 1200
PRESSURE CLASS PN 16 ÷ PN 420
Class 150 ÷ Class 2500
TIGHTNESS TEST Acc. to ISO 5208/ API 6D/ API 598/ EN 1226
PROCESS CONNECTION By means of flanges acc. to ASME B 16.5/ ASME B 16.47/
SR EN 1092                    
By means of weld ends acc. to ASME B 16.25
ACTUATOR ATTACHMENT FLANGE Acc. to  ISO 5211
CONSTRUCTIVE TYPE Acc. to  ISO 14313 / ISO 10423 / API 6D /
SR EN 17292 / SR EN 1983
MATERIALS Acc. to EN / ASTM / AISI
FACE-TO-FACE DIMENSIONS Acc. to SR EN 558 / API 6D
WELDING Acc. to SR EN ISO 15614
“FIRE-SAFE” DESIGN Acc. to API 6FA / API 607 / ISO 10497
TEMPERATURE RANGE -30°C ÷ +120°C
WORKING MEDIUM TEMPERATURE -20°C ÷ +60°C (upon request, -50°C ÷ +200°C)
WORKING MEDIUM Natural gases and other non-corosive fluids

MORE INFORMATION
Ball valve RS 903

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