ateco roof drain float check valve

TP3300M Series Vacuum Relief Vents – Shell Type  are typically used on atmospheric tanks which contain volatile liquids.

INTRODUCTION  As will all AKTEK products, every Model TP3300M Series is factory inspected to meet all critical requirements and special needs. Inventory is maintainer to ensure rapid delivery.

PRESSURE VACUUM VALVES

Model TP3300M is used when vacuum relief is the only reguirement.The Model TP3300M may be side mounted on the tank body or piped in. Intake relief necessary under working conditions is achieved by a spring or weight loaded pallet in the valve housing.The Model TP3300M reduces the possibility of tank damage and provides increased fire protection and safety. Valve size must be selected to meet reguired vacuum relief under operating and thermal conditions.Flow curves for vacuum relief are provided.”
SPECIAL FEATURE                                                   
Model TP3300M offers Aktek’s special ‘’cushioned air’’ seating. Superior performing Teflon® seating diaphragms are standart to minimize sticking caused  by resinous vapors and atmosphorec moisture. The Model TP3300M has a self draining hausing body and drip rings to protect seating surfaces from condensate and freezing. This desing also avoids vacuum buidup due to binding or clogging of the vent.Metal-to metal, Buna-N, Viton® and other seating diaphragms can be provided when reguired.
Size Code 02 03 04 06 08 10 12
Nominal Pipe Size 2” 3” 4” 6” 8” 10” 12”
A Max. Width 330 410 540 710 875 1018 1095
B Max. Height 225 300 364 487 592 605 625
C Max. Diameter 235 260 292 385 473 537 595
D Flange Inside
E Bolt Circle Diameter
F Flange Outside            
G Flange Thickness          
H Hole Diameter            
I Number Of Holes            

TECHNICAL DATA
•   Sizes 2’’ through 12’’
•   Pressure setting ½oz/in2 to 15 PSIG
•   Vacuum settings ½oz/in2 to 12 PSIG
•   Available in aluminum, carbon steel, Stainles steel and other materials.
•   Modular construction

AKTEK, THE CAPABILITY COMPANY
As with all Aktek  products, every Model TP3300M is factory inspected and tested to meet your critical reguirements and special  needs. Inventory is maintanied to ensure rapid delivery

pressure vacuum valve

MATERIAL LIST
ITEM DESCRIPTION CONSTRUCTION OPTIONAL FEATURE
ALUMINUM CARBON STL 316 SS ……………
1 BODY AL GR 356 T6 CS WCB CF-8M(316 SS)
2 SEAT AL GR 356 T6 CS WCB CF-8M(316 SS)
3 SCREEN 316 SS 316 SS 316 SS
4 SCREEN FLANGE AL GR 356 T6 CS WCB CF-8M(316 SS)
5 BOLT SS SS SS
6 SCREEN 316 SS 316 SS 316 SS
7 RING SS SS SS
8 STEM AL GR 356 T6 CS WCB CF-8M(316 SS)
9 DIAPHRAGM Teflon® FED Teflon® FED Teflon® FED
10 BACKING Teflon® FED Teflon® FED Teflon® FED
11 PALLET AL GR 356 T6 CS WCB CF-8M(316 SS)
12 WASHER, LOCK SS SS SS
13 SCREEN, PRESSURE 316 SS 316 SS 316 SS
14 COVER AL GR 356 T6 CS WCB CF-8M(316 SS)
15 BOLT SS SS SS
16 WASHER SS SS SS
17 SEAT AL GR 356 T6 CS WCB CF-8M(316 SS)
18 BOLT SS SS SS