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# Nominal Diameter
2″ ~ 80″ (DN50 ~ DN2000)

# Connection Type
Wafer, Lug flange

# Body Material
Aluminum alloy, Ductile iron, Stainless steel

# Disc Material
Ductile iron with nylon coating, Ductile iron with electroplating,
Stainless steel, Aluminum bronze

# Face-to-Face Dimension
ISO 5752, API 609, GB/T 12221

# Valve Design
Conforms to GB 12238

# Valve Testing
In accordance with ISO 5208
1) Seal test pressure: 1.1 × PN
2) Shell test pressure: 1.5 × PN

# Seal Material & Working Temperature
– EPDM: -35 ~ +135 °C
– NBR: -25 ~ +90 °C
– PTFE: -40 ~ +200 °C
– FPM: -29 ~ +205 °C

# Suitable Flange Ratings
PN6/10/16,
ANSI Class 125/150, JIS 5K/10K

# Working Pressure
– 2″ ~ 12″: ANSI Class 125/150
– 14″ ~ 48″: ANSI Class 125
– DN50 ~ DN1200: PN16