Watts GRD-620 User Manual

GRD-620

Tag:

Green Roof

Plaza Area Drain

SPECIFICATION: Watts Drainage GRD-620 epoxy coated cast iron green roof plaza area drain with flashing clamp,

perforated ABS standpipe, epoxy coated cast iron promenade drain with 15-5/8”x15-5/8”(397x397) square
top, ductile iron heel-proof grate, and no hub (standard) outlet.

2 3/4”(70)

5 1/2”(140)

SPECIFY

16 5/8”(422)

15 5/8” (396)

15 1/8” (384)

1/2” (13)

1”(25)

Pipe Sizing (Select One)

Suffix Description

2"(51) Pipe Size (NH Only)

2

3"(76) Pipe Size 3

4

4"(102) Pipe Size

5"(127) Pipe Size (NH Only)5

6"(152) Pipe Size6
8"(203) Pipe Size8

10

10”(254) Pipe Size (NH Only)

Outlet Type (Select One)

Suffix Description

No Hub (MJ)

NH

Push On P
Inside CaulkX

Options (Select One or More)

Suffix Description

-1 All Nickel Bronze Top

-5 Sediment Bucket

-6 Vandal Proof Top

Galvanized

-13

-B Sump Receiver
Underdeck Clamp

-D

-F

Adjustable Extension Flange

-US Buy American Compliant

5 1/2”(140)

PIPE SIZE

Load Rating & Free Area

Load

Rating

*XHD

ES-WD-GRD-620 USA 1406 GRD-620

Free Area

Sq. In.

57

Deck opening 14-1/2" (368)
with sump receiver 18" (457)