Since 1926, 
Kraissl Co has been an industry leader in the manufacture
of heavy duty simplex and duplex strainers, filters, transfer
valves, and oil transfer pumps.
Engineering
pioneers
Kraissl Co.
was the first to develop duplex 3-way (6-port) transfer valves
with standardized port connections for external equipment. These
tapered plug-type models were adapted from Kraissl's duplex strainer
designs.
Quality Assurance
Kraissl Co.products are listed by Underwriters Laboratories (U.L.), Inc.
and manufactured to stringent quality control specifications.
Models for fuel oil and flammable fluid service bear the Underwriters
Laboratories (U.L.) label. Kraissl strainers are manufactured
in accordance with International Standard ASTM F-1199. Products
are hydro-tested at 1-1/2 times rated (working) pressure.
Kraissl Company
Patents:
1. Patented
double-element strainer baskets are available for Model 72 series
strainers, providing 30 to 40% more straining area in same size
housing.
2. Misassembly prevention device - Assures proper field re-assembly
for no-shut-off position with Model 72AA Duplex Valves and Model
72 Strainers.
3. Return-seal stuffing box for Model 60 Oil Pumps reduces pressure
on the stuffing box to suction pressure and minimizes leakage.
DEC 2009: » Read About Kraissl "In The News" (PDF)
