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DOT 407 GEILINER® Combo Pressure/Vacuum Relief Vent

FUNCTION
This spring loaded, dual-acting relief vent provides protection
from both pressure and vacuum forces while also protecting
the vent from most aggressive chemical ladings* with a 1/8”
thick hard shell Teflon® liner. The vacuum valve seat seals
on a Viton® Extreme O-Ring, while the pressure seat seals
on a Tef-O-Sil encapsulated O-Ring, providing a complete
chemical resistance and a bubble-tight seal. It is also
designed to be easily removed from the tank for inspection
or cleaning. It comes with 8” Hg standard vacuum.
Model: GA40303 (25# MAWP)

MATERIAlS OF CONSTRUCTION
All metallic parts 316L Stainless Steel
O-Ring Viton® Extreme*
minus 2 to all after 5 Valve Seat White Teflon®
Liner White Teflon®

ITEM NO. PART NUMBER DESCRIPTION QTY. *Check for chemical compatibility of your lading with
1 GB19000 Upper Housing Hole Plug 1 optional sealing elastomers: Kalrez ®, Tef-O-Sil.
2 GB03020 Rain Cover Retaining Screw 8-32 x 3/8 2
3 GB98030 Rivet, Vent, 5/32" Diameter 4
4 GB02080 Vent Retaining Disc, 25 PSI 1 ITEM PART NO. DESCRIPTION
5 GB03010 Vent Rain Cover 1
0 GO40130 Ge caution label, spring, peel & stick 1 1 GB19000 Upper Housing Hole Plug
0 GO40100 Nameplate, vent, metal 1
6 GB04004 Upper Housing 25# 1 2 GB03020 Rain Cover Retaining Screw
7 GB05000 Pressure Spring 1 8-32 x 3/8 (NEW for 2016, see p. 42)
8 GB25000 Spring retainer 1
9 GR05010 M8 Hex Lock Nut 1 3 GB98030 Rivet, 5/32” Diameter
10 GR05000 M8 Hex Jam Nut ETFE 1 1 4 GB02080 Rating Disc, 25 PSI
11 GB10000 High Pressure Vacuum Spring 1 3
12 GB06037 Poppet for Vacuum Combo 1 2 5 GB03010 Rain Cover
13 GB08010 Teflon® Seat with Vacuum 1
14 GB07620 Vent O-Ring 1 5 4 6 GB04004 Upper Housing, 25#
15 GB09001 Vacuum Poppet Assembly, lined 1
16 GB07710 Viton® Xtreme O-Ring 1 7 GB05200 Pressure Spring - 25#, 30#
17 GB21010 3" ANSI Lined Lower Housing 1 MAWP Vents, all others
please consult with Girard
6 8 GB25000 Spring Retainer
7 9 GR05010 Hex Lock Nut
8 10 GR05000 Hex Jam Nut
9
11 GB10000 Vacuum Spring
10 11 12 GB06037 Poppet for Vacuum Combo

12 13 13 GB08010 Teflon® Seat with Vacuum
A 14 GB07000 Teflon® O-Ring Pressure
14 15 15 GB09001 Vacuum Poppet Assembly,
Lined
16 GB07710 Viton® Extreme O-Ring
16 17
17 GB21010 3” ANSI Lined Lower Housing

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A SECTION A-A
SCALE 1 : 4