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Keystone GRF 系列 (ISO) 蝶阀
Keystone GRF 系列 (ISO) 蝶阀
Keystone GRF 系列 (ISO) 蝶阀

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Keystone GRF Series (ISO) Butterfly Valve

Keystone series

A heavy-duty, dual-flange, concentrically designed elastomeric seated butterfly valve
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Product details
Certification
Complies with SIL, PED, DVWG, CUTR, CRN, ABS
application
Cooling towers, air circulation, cooling water, facilities and process facilities, desalination
Valve body design
short model
Material
Duplex stainless steel, EPDM rubber, ductile iron, carbon steel, nitrile rubber, aluminum bronze, 316L stainless steel, 316 stainless steel, 304 stainless steel, super duplex stainless steel
working temperature
below 150 C
pressure level
ASME、PN
Process connection type
150FF、150RF
Seat/Seal Type
elasticity
shutdown level
Zero leakage
standard
API 609、ASME B16.34
Valve size
NPS 36、NPS 24 / DN 600、NPS 40、NPS 30、NPS 42、NPS 60、NPS 56、NPS 48、NPS 44
Valve size standards
NPS、DN
Valve type
butterfly valve
medium
water glycol, water, liquid, air, inert gas, air


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