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advanced copper method
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108
7012 DIMENSIONAL DATA
Nominal Size
Markings
A
B
In./DN(mm)
In./mm
In./mm
2
2-7012 ANSI
4
2
1
/
4
50
101.6
57.2
2
1
/
2
2
1
/
2
-7012 ANSI
4
3
/
4
2
3
/
4
65
120.7
69.9
3
3-7012 ANSI
5
1
/
4
3
3
/
8
80
133.4
85.9
4
4-7012 ANSI
6
3
/
4
4
3
/
8
100
171.5
111.3
5
5-7012 ANSI
7
5
/
8
5
7
/
16
125
193.5
138.2
6
6-7012 ANSI
8
5
/
8
6
1
/
2
150
218.9
165.1
8
8-7012 ANSI
10
7
/
8
8
1
/
2
200
276.1
215.9
FIG. 7012
Gruvlok Flanges for Gruvlok Advanced Copper Method
The Gruvlok® Fig. 7012 Flange allows direct connection of Class
125 or Class 150 fanged components to a Gruvlok Advanced
Copper Method piping system. The two interlocking halves of
the 2" thru 8" sizes of the Gruvlok Flange are hinged for ease of
handling, and are drawn together by a latch bolt which eases
assembly on the pipe. Precision machined bolt holes, key and
mating surfaces assure concentricity and fatness to provide
exact ft-up with fanged, lug, and wafer styles of pipe system
equipment. A specially designed gasket provides a leak-tight
seal on both the pipe and the mating fange face.
All Gruvlok Fig. 7012 Flanges have designed-in anti-rotation
tines which bite into and grip the sides of the pipe grooves to
provide a secure, rigid connection.
The Gruvlok Fig. 7012 Flange requires the use of a steel adapter
insert when used against rubber faced surfaces, wafer/lug
design valves and serrated or irregular sealing surfaces. In
copper systems a phenolic adapter insert is required, in place
of the steel adapter insert. (See Installation and Assembly
Instructions Section or contact your Anvil Rep. for details.)
material specifications
NOTES:
1.
Material Specifcation
: Natural canvas phenolic
LATCH BOLT/NUT (2" - 8"):
Heat treated, zinc electroplated, carbon steel oval neck track bolts con-
forming to ASTM A 183 and zinc electroplated carbon steel heavy hex
nuts conforming to ASTM A 563 Grade A or Grade B, or J995 Grade 2.
METRIC BOLTS & HEAVY HEX NUTS:
Heat treated, zinc electroplated oval-neck track head bolts made of
carbon steel with mechanical properties per ISO 898-1 Class 8.8. Hex
nuts are zinc electroplated followed by a yellow chromate dip.
STAINLESS STEEL BOLTS & NUTS:
Stainless steel bolts and nuts are also available. Contact a Gruvlok
Representative for more information.
HOUSING:
Ductile Iron conforming to ASTM A 536, Grade 65-45-12.
COATINGS:
Rust inhibiting paint Color: ORANGE (standard), Red (optional).
Hot Dipped Zinc Galvanized (optional)
Other Colors Available (IE: RAL3000 and RAL9000)
For other Coating requirements contact a Gruvlok Representative.
GASKETS: Materials
Properties as designated in accordance with ASTM D 2000
Grade “E” EPDM
(Green color code) NSF 61 Certifed
-40°F to 190°F (Service Temperature Range)(-40°C to 88°C)
Recommended for water service, diluted acids, alkalies solutions,
oil-free air and many chemical services.
NOT FOR USE IN PETROLEUM APPLICATIONS.
LUBRICATION:
Gruvlok Xtreme
TM
lubricant only.
NOTE:
Lubricant is to be applied to the
entire surface, both internal and external. of the gasket. For additional
important information concerning Gruvlok Xtreme
TM
Lubricant see
Gruvlok Data Sheet 3 “Gruvlok Lubricants”.
OPTIONAL PHENOLIC FLANGE ADAPTER INSERT
f
B
f
A
f.020
-A-
-A-
.030
.125 ±. 008
21 5
521
GL-2.10