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Special “Weld-In” DOT 407 Pressure Relief Vent

FUNCTION ITEM PART NO. DESCRIPTION
Girard’s Special Low Profile “Weld-In” (LW) Series DOT 1 GB19000 Upper Housing Hole Plug
407 Vent combines an ultra-low profile, light-weight design
with high flow rates to meet the most demanding needs of 2 GB03020 Rain Cover Retaining
virtually any tank. See the table below for specific flow rates. Screw 8-32 x 3/8
The LW Vent welds directly to your manway thus avoiding (NEW for 2016, see p. 42)
expensive hot-work to the shell of your tank, and is low 3 GB03010 Rain Cover
enough to be “retro-fitted” to most any tank without having
to alter the overturn protection. 4 GB04001 Upper Housing, 25#

PERFORMANCE SPECIFICATIONS (WElD-IN) 5 GB05200 Pressure Spring - 25#, 30#
MAWP Vents, all others
8 7 6 5 4 3 2 1
MAWP TEST FlOW ExPOSED please consult with Girard
PRESSURE (SCFH) SURFACE
25 40 426,983 930 6 GB25010 Spring Retainer
25 45 466,115 1083 7 GB06010 F Poppet
F
30 45 466,115 1083 8 GB07000 Teflon® O-Ring Pressure
35 52.5 484,718 1156 9 GB17000 Weld-In Lower Housing -
8 7 6 5 4 3 2 1
ITEM PartNo DESCRIPTION Low Profile
NO.
1 GB17000 PV "LW" WELD-IN LH
E
2 GB03010 Model VENT RAIN COVER Description E
3 GB04001 DOT 407 VENT. L/P, UPPER HSNG, F
F 25#
4 GB05000 VENT PRESSURE SPRING DOT 407LW
5 GB06010 VENT, POPPET,LOW PROFILE 2 1 2
(GA50000)
6 GB07000 VENT O-RING (25# MAWP)
7 GB19000 VENT, UPPER HOUSING HOLE PLUG
D 6" Designed to D
8 GB25010 VENT SPRING RETAINER
weld directly to
GB17000 a domecover to 3
conform to its
E E
curvature
5" Weight: 10 lbs.
7.5" O.D.
C C
4

D 5 D

B B

7
6
8
A C THIS IS THE PRIVATE UNLESS OTHERWISE SPECIFIED A C
DIMENSIONS ARE IN INCHES
AND CONFIDENTIAL .XX .015 .XXX .005 ANGLES
0 30'
PROPERTY OF GIRARD MATERIAL
EQUIPMENT INC. AND SEE BOM 4360 Old Dixie Highway Vero Beach, FL 32967
IS NOT TO BE COPIED FINISH
OR REPRODUCED
WITHOUT THE WRITTEN DRAWN APPROVALS 4/1/2015
DATE
PAB
CONSENT OF GIRARD CHECKED - - SIZE REV. 9
EQUIPMENT INC. ESTIMATED WEIGHT SCALE 1:2 C GA50000 A
11.6
8 7 6 5 4 3 2 1
Printed copy valid for 168 hours (7 days) from time of printing unless otherwise indicated "CONTROLLED COPY"
B B
9

A UNLESS OTHERWISE SPECIFIED
THIS IS THE PRIVATE DIMENSIONS ARE IN INCHES A
.XXX
AND CONFIDENTIAL .XX .015 .005 ANGLES
0 30'
PROPERTY OF GIRARD MATERIAL
EQUIPMENT INC. AND SEE BOM 4360 Old Dixie Highway Vero Beach, FL 32967
IS NOT TO BE COPIED FINISH DOT 407LW, 4" WELD-IN,
OR REPRODUCED
DATE
WITHOUT THE WRITTEN APPROVALS 4/1/2015 25#
PAB
CONSENT OF GIRARD DRAWN - - SIZE REV.
CHECKED
A
EQUIPMENT INC. ESTIMATED WEIGHT SCALE C GA50000catalog
11.6 1:3
8 7 6 5 4 3 2 1
Printed copy valid for 168 hours (7 days) from time of printing unless otherwise indicated "CONTROLLED COPY"