Product Overview

2
13
Air separator.
Brass body.
Stainless steel float guide pin and linkage.
Glass reinforced nylon internal element.
½" NPT female bottom thread.
Max. working pressure: 150 psi.
Working temperature range: 32—250°F.
551
DISCAL
®
Sweat
Code Description Lbs USD
551028A 1" sweat 3.7 274.70
551035A 1¼" sweat 3.7 401.00
551041A 1½" sweat 4.9 522.00
551054A 2" sweat 5.5 637.00
Service check valve for easy replacement
of expansion tank when connected to
bottom of DISCAL
®
.
Code Description Lbs USD
561402A ½" NPT male x ½" NPT female 0.2 19.50
Air separator.
Brass body.
Stainless steel float guide pin and linkage.
Glass reinforced nylon internal element.
½" NPT female bottom thread.
Max. working pressure: 150 psi.
Working temperature range: 32—250°F.
551
DISCAL
®
NPT
Code Description Lbs USD
551005A ¾" NPT female 3.7 261.00
551006A 1" NPT female 3.7 288.30
551007A 1¼" NPT female 4.9 421.10
551008A 1½" NPT female 4.9 548.00
551009A 2" NPT female 5.5 669.00
Air separator with ½" service check valve
(code 561402A) to mount expansion tank
on bottom thread.
Brass body.
Stainless steel float guide pin and linkage.
Glass reinforced nylon internal element.
Max. working pressure: 150 psi.
Working temperature range: 32—250°F.
551
DISCAL
®
Sweat
Code Description Lbs USD
551028AC 1" sweat 3.8 284.50
551035AC 1¼" sweat 3.8 410.80
551041AC 1½" sweat 5.0 531.80
551054AC 2" sweat 5.6 646.80
Air separator with automatic ½" check
valve (code 561402A) to mount expansion
tank on bottom thread.
Brass body.
Stainless steel float guide pin and linkage.
Glass reinforced nylon internal element.
Max. working pressure: 150 psi.
Working temperature range: 32—250°F.
551
DISCAL
®
NPT
Code Description Lbs USD
551005AC ¾" NPT female 3.8 270.80
551006AC 1" NPT female 3.8 298.10
551007AC 1¼" NPT female 5.0 430.90
551008AC 1½" NPT female 5.0 557.80
551009AC 2" NPT female 5.6 678.80
Insulation shell fits DISCAL
®
551 series.
Code Description Lbs USD
CBN551005 Fits ¾"* and 1" 551 series 0.1 73.50
CBN551007 Fits 1¼", 1½" 551 series 0.1 78.80
CBN551009 Fits 2" 551 series 0.1 86.10
*Will not fit the ¾" compact DISCAL
®,
codes 551003A and 551022A.
AIR SEPARATORS
FLOW RATE
Size ¾" 1" 1¼" 1½" 2"
4.0 f/s
GPM 6 9 15 24 36
10.0 f/s
GPM 19 22 36 57 66
Cv 19 32 56 73 81
tech. broch. 01060tech. broch. 01060
tech. broch. 01060
tech. broch. 01060
tech. broch. 01060