Welcome to Circle Seal's MRO Portal

Circle Seal Controls offers the following repair station capabilities in our MRO Department:

FAA FAR 145 No. QWCR710X

ARTICLE NOMENCLATURE MAKE MODEL
EM56-20 all series Valve Boeing 737; 747; 757; 767
EM91-79 all series Valve Boeing 737; 757; 767
EM91-80 all series Valve Boeing 757, 767
MC99-43 all series valve Boeing 747
P194-395 Selector valve Bombardier/Canadair CL600; CL601; CL604
P31-595 Flow Limiting Valve Boeing 757-200
P32-595 Flow Limiting Valve Boeing 757-200
P44-771 Relief Valve Bombardier/Canadair CL600, 2B19 (RJA100)
V1-4360-2 Fuse Valve Boeing 767-200/-300
V2-4360-2 Fuse Valve Boeing 767-200/-300
V6-4360-2 Fuse Valve Boeing 767-200/-300; 757-200/-300; 747-400
P39-401 Float Valve Boeing 757-200
CV41-14-2 Ejector/ Float Valve Rolls Royce BR700 Engines 710A2-20, 715A1-30, 715B1-30, 715C1-30, BR700-710A2-20
V1-4307 Float Valve Boeing, McDonnell Douglas DC-10
ZCV198 Drain Valve Airbus A330-223
P148-180 Check Valve Boeing
747
767 200
747 200/300/400
EM91-41 Fuel Shutoff Valve Learjet 60
EM91-42 Fuel Shutoff Valve Learjet 60
EM91-119 Fuel Shutoff Valve Learjet 60
EM40-791 Fuel Shutoff Valve Learjet 23, 24, 25, 28, 31, 35, 45, 55, 60
EM41-791 Fuel Shutoff Valve Learjet 25, 28, 31, 35, 55
EM91-102-2 Fuel Shutoff Valve Learjet 45
EM91-59 Shut off Valve Hawker Beechcraft Beech
-2350-0030-4 Actuator Boeing
757 200
747 200/300
-2350-0030-5 Actuator Boeing 747- 200/300/400
ZCV67-1 Non-Return   Hydraulic Valve Airbus A319, A320
ZCV66-1 Non-Return Hydraulic Valve Airbus A319, A320