Butterfly Valves

Butterfly valve WAFER-TYPE

Designs:
As wafer-type valve or pipe-end valve, with notch lever, lock lever, gearbox, pneumatic/electric actuators; standard disc of stainless steel 1.4581 and of 1.4401
(DN 100-300), CuAI optional !
Materials (Nominal pressure):
GGG-40 (PN 6/10/16)
GGG-40.3 (PN 10/16)
(DN 350-500)
Nominal diameter:
DN 25 up to 300 (GGG-40),
DN 350 up to 500 (GGG-40.3)
Medium/Temperatures: Cold water, warm water, hot water.
EPDM up to +130 C,
NBR up to +80 C,
FPM up to +150 C .
DN 350-500: EPDM up to max. +120C, for a short time up to +130C.
Applications: HVAC and air conditioning technology, industrial installations
Testings/Certifications:
DIN DVGW Reg. "W" for EPDM and NBR, "G" for NBR


Butterfly valve LUG-TYPE

Designs:
As butterfly valve with threaded eyelets and notch lever, lock lever, gearbox, pneumatic/electric actuators; standard disc of stainless steel 1.4581 and of 1.4401 (DN 100-300), CuAI optional !
Material (Nominal pressure):
GGG-40 (PN 6/10/16)
GGG-40.3 (PN 10/16) (DN 350-500)
Nominal diameter: DN 25 up to 300 (GGG-40)
DN 350 up to 500 (GGG-40.3)
Medium/Temperatures: Cold water, warm water, hot water.
EPDM up to +130C,
NBR up to +80 C,
FPM up to +150 C
Applications:
HVAC installations, industrial installations, shipbuilding, swimmingpool-technology, cold- and cooling water facilities, waste water, drinking water and domestic water, ...


High performance butterfly valve

with PTFE, metallic or elastomer seat
PN 10, 16, 20, 25, 40, 50, Class 150, Class 300
DN 50 to DN 600 (Diameter up to DN 2000 on request)
Wafer body / Lugged body / Flanged body
Material:
Body and disc material : A 216 gr WCC or A 351 gr. CF8M
Seat : elastomer, PTFE , copper, nickel, S.S.
face to face :
- Class 150 : EN 558, ISO 5752 serie 20, API 609
- Class 300 : API 609
From -50C to +380C
Fire safe in compliance with BS 6755
Applications: Oil and gas, chemicals , petrochemicals, sugar, pulp and paper
District heating