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Wafer type butterfly valve in double-eccentric construction. Reliable sealing even with extreme temperature and pressure conditions.
TECHNICAL DATA
Nominal diameter:
DN 50 – DN 200
larger nominal diameter on request
Face-to-face:
EN 558 Series 20 (DIN 3202 T3 K1)
ISO 5752 Series 20
API 609 Table 1
BS 5155 Series 4
NF E 29-305.1
Flange accommodation:
DIN 2501 PN 10/16
DIN 2632/33
ANSI B 16.5, Class 150
MSS SP44 Class 150
AWWA C 207
AS 2129 Table D and E
BS 10 Table D and E
JIS B 2211-5 K
JIS B 2212-10 K
Flange Surface Design:
DIN 2526, Form A-E, ANSI RF
Top flange:
EN ISO 5211
NF E 29-402
Marking:
DIN EN 19
Tightness check for R-PTFE Sitz:
DIN 3230 T3 BO (Leakage Rate 1)
Tightness check for Inconel Sitz:
DIN 3230 T3 BN (Leakage Rate 1)
ISO 5208, Category 3
API 598 Table 5
ANSI B 16-104, Class VI
Temperature range:
–196 °C to + 500 °C higher temperatures on request
Vacuum:
0,2 bar absolute ( higher vacuum depending on medium and temperature)