ateco roof drain float check valve

TP3100M Series Vacuum Relief Vents-With Hood  are typically used on atmospheric tanks which contain volatile liquids.

INTRODUCTION  As will all AKTEK products, every Model TP3100M Series is factory inspected to meet all critical requirements and special needs. Inventory is maintanier to ensure rapid delivery.

PRESSURE VACUUM RELIEF VALVE
Model TP3100M series are used for breaking vacuum pressure on tanks with normally high operation pressure. They protect tanks against implosion from vacuum casued by withdrawal of contents or abnormal temperature drop. They are designed fort he most flexibility of use with working pressure ratings from full vacuum to 275 PSIG.
SPECIAL FEATURE                                                   

In a reverse flow mode, the Model TP3100M series may be used for pressure relief. The standard consruction will include a type 316 S.S spring, however, springs are available in either special alloys or Teflon encapsulated. Also a wire mesh screen is provided to protect the inlet. Seating surfaces are available with either a soft seat or a metal to metal design.With the light compact and simple design of the Model 4000 series, your maintenance costs will be reduced.
Size Code 02 03 04 06 08 10 12
Nominal Pipe Size 2” 3” 4” 6” 8” 10” 12”
A Max. Width 400 505 630 803 965 1105 1200
B Max. Height 420 530 665 854 935 935 935
C Hood Diameter 300 350 410 490 575 625 625
D Flange Inside            
E Bolt Circle Diameter          
F Flange Outside            
G Flange Thickness            
H Hole Diameter            
I Number Of Holes            

TECHNICAL DATA
•   Available sizes 1 ” through 20″
•   Provided in carbon steel, stainless steel, teflon or special alloys.
•   Provide vacuum relief and allows high working pressures.
•   Light compact design

AKTEK, THE CAPABILITY COMPANY
As with all Aktek  products, every Model 4100 is factory inspected and tested to meet your critical reguirements and special  needs. Inventory İs 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 VACUUM SEAT AL GR 356 T6 CS WCB CF-8M(316 SS)
3 BUSH Teflon® FED Teflon® FED Teflon® FED
4 RING SS SS SS
5 STEM VACUUM 316 SS 316 SS 316 SS
6 DIAPRAGM, VACUUM Teflon® FED Teflon® FED Teflon® FED
7 BACKING, VACUUM Teflon® FED Teflon® FED Teflon® FED
8 PALLET, VACUUM AL GR 356 T6 CS WCB CF-8M(316 SS)
9 WASHER, LOCK SS SS SS
10 SCREEN, VACUUM 316 SS 316 SS 316 SS
11 SCREEN FLANGE AL GR 356 T6 CS WCB CF-8M(316 SS)
12 BOLT 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 STUD SS SS SS
16 NUT SS SS SS
17 PRESSURE SEAT AL GR 356 T6 CS WCB CF-8M(316 SS)
18 STEM, PRESSURE AL GR 356 T6 CS WCB CF-8M(316 SS)
19 DIAPHRAGM, PRESSURE Teflon® FED Teflon® FED Teflon® FED
20 BACKING, PRESSURE Teflon® FED Teflon® FED Teflon® FED
21 PALLET, PRESSURE AL GR 356 T6 CS WCB CF-8M(316 SS)
22 HOOD ALUMINUM CS 316 SS
23 BSCREEN, PRESSURE 316 SS 316 SS 316 SS
24 GUIDE, PRESSURE ALUMINUM CS 316 SS
25 WASHER SS SS SS
26 WASHER SS SS SS
27 STEM GUIDE ALUMINUM CS 316 SS
28 BOLT SS SS SS
29 WASHER SS SS SS
30 NUT SS SS SS