Butterfly Valve, Gear box, Leaver

TECHNICAL DATA

Nominal diameter :
– DN 20-DN 1200 (DN 20 only PN10/16)

Face-to-face :
– EN 558 Series 20 (DIN 3202 T3 K1)
– ISO 5752 Series 20 API 609 Table 1
– BS 5155 Series 4

Flange accommodation :
– DIN 2501 PN 6/10/16
– 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

Lap-joint flange :
– DIN 2641 and DIN 264

Weld-on flange : DIN 2576

Flange Surface
Design : DIN 2526, Form A-E, ANSI RF
Top flange : EN ISO 5211 NFE 29-402
Marking : DIN EN 19
Tightness check :
– DIN 3230 T3 BQ, BN (Leakage Rate 1)
– ISO 5208, Category 3
– API 598 Table 5
– ANSI B 16-104, Class VI

Temperature range : -20 °C to + 160 °C (depending on pressure, medium and material)

Operating pressure : max. 16 bar

Differential pressure : max. Ap 16 bar

Vacuum : 0,2 bar absolute (depending on medium and temperature)

FEATURES

– Absolutely tight sealing with flow in either direction
– The valve body and disc are accurately machined which in low operating torque, long service life and reliability.
– Triple shaft bearings prevent shaft deflection and guarantee optimum guidance even after many years of operational service. – Four flange mounting holes ensure correct valve location.
– Single flange mounting is possible (please request details from our Technical Department).
– Can be installed in any desired position.
– Maintenance-free
– Can be disassembled, material-specific recycling possible

GENERAL APPLICATIONS
– Chemical and petrochemical industries
– Water and wastewater technology
– Pneumatic materials handling technology
– Shipbuilding
– Power generation industry|
– Food industry
– Civil engineering
– For paint and laquers, a silicon-free Version is available.

Cr. GEMU Group