A

Single Side Connection

1

Standard Friction Shoe (SFS), continuous rim, and single mounting

B

Two Side Connections

A

Same as 1, except high coefficient friction material (HI-CO)

C

Four Side Connections

B

Dual mounting with SFS

D

One Quick Release Valve

C

Dual mounting with HI-CO friction material

E

Two Quick Release Valves

D

Dual mounting with SFS and one single flange element

F

Two Side Connections and Two Quick Release Valves

E

Split construction with standard SFS

G

Four Quick Release Valves

G

Dual mounting with one side connection and Tee and SFS

H

One Inlet, No Side Connection

H

Single mounting, one-piece single-flange slotted rim and standard friction material

J

Two Inlets, No Side Connections

J

Slotted rim with HI-CO FSAs

K

Four Inlets, No Side Connections

K

Dual mounting with one QRV, Tee and SFS

L

Four Quick Release Valves with Mufflers

N

Same as "1" with oversized inlet

P

One Side Connection and One Quick Release Valve

T

Split construction with Tee connection

X

Element complete less friction shoe assemblies (FSAs

Y

Dual mounting with HI-CO friction material

Z

3/8" thick rim with Standard SFS

1-5

Same as "1" with oversized mount holes