Water relief valve Farris Engineering

Series 1890/1896M
ASME NB Certifi ed: Air, Steam & Water
Sizes 1/2�� X 1�� & 3/4�� X 1�� (1890) and 1/2�� X 3/4�� & 3/4�� X 3/4�� (1896M).
Effective orifi ce areas of 0.077 (liquid) and 0.089 (vapor) square inches. Pressures
from 15 to 800 psig for stainless steel (1890) and 15 to 300 psig for bronze
(1896M). Temperature range from -20�‹ F to +750�‹ F (1890) and -450�‹F to +400�‹F
(1896M).
Materials of construction include stainless steel body and trim (1890) and brass
body and trim with bronze bonnet (1896M).
Applications: air, steam, gas, vapor and liquid process applications (1890) and
where service is compatible with brass and bronze (1896M). Also suitable for
cryogenic applications.

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