Armstrong IS-4BD, IS-4 User Manual

Armstrong IS-4 Stainless Steel Universal Connector with Integral Strainer

Class 900 Service for Pressures up to 1,245 psig (86 bar)

Description

With the IS-4 universal connector, you can install a 4-bolt compatible steam trap to fit most piping configurations and applications. The IS-4 combines the integrity of an all welded installation with the versatility of a quick change steam trap replacement.

The IS-4 works with Armstrong Intelligent Monitoring (AIM™) to bring intelligence to wireless technology by applying smart devices to monitor critical plant applications in real time.

• Class 900 design

• All stainless steel construction

• Integral strainer

• Exceptional corrosion resistance

• Recessed gasket surface

• Three-year guarantee against defects in materials and

workmanship (connector only)

Maximum Operating Conditions

Maximum allowable pressure (connector design): IS-4

BD 1,245 psig @ 900°F (85.8 bar @ 482°C)

IS-4BD 1,100 psig @ 800°F (75.8 bar @ 426°C)

Materials and Weights

Body ASTM A351 Gr. CF8M Screen Stainless steel Screen retainer ASTM A351 Gr. CF8M Retainer bolts ASTM A193 Gr. B16 Weights: IS-4 4.75 lbs (2.15 kg) IS-4BD 9.9 lbs (4.5 kg)

4-Bolt Connector Steam Traps Available

• SH4000

• IB4022

• IB4011

Specification

All stainless steel in-line universal connector with integral strainer able to accept steam traps compatible with the 4-bolt technology. Up to Class 900 service.

Bulletin 110

IS-4

How to order

IS4-BD 3FL 900 DBB DBB

Model Connection Size/Type Flanges Inlet Conﬁ guration Outlet Conﬁ guration

3NPT=3/4(20)NPTF

IS-4 or IS-4BD

Notes:

1. Right to left flow only available.

2. IS-4BD includes Class 800 forged steel gate valve for blowdown service.

3. Connection Size/Type based on the system condensate supply and return requirements.

4. All connections for SB or DBB will be socketweld.

5. Flanges available in Class 600 and 900.

6. For Block & Bleed dimensions: Consult Factory

3SW=3/4(20)Socketweld 3FL=3/4(20)Flanged 4NPT=1(25)NPTF 4SW=1(25)Socketweld 4FL=1(25)Flanged

Class 600 Class 900

None

SB=Single Block DBB=Double Block

& Bleed

None

SB=Single Block DBB=Double Block

& Bleed

2.00

(50.8)

1.00

(25.4)

2.86

(72.5)

4.25

(108.0)

1.10

(27.8)

All dimensions and weights are approximate. Use certified print for exact dimensions. Design and materials are subject to change without notice.

Armstrong Steam and Condensate Group, 816 Maple St., Three Rivers, MI 49093 – USA Phone: (269) 273-1415 Fax: (269) 278-6555

armstronginternational.com