Graco 320449EN-B Surge Tanks Prospecto

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All written and visual data contained in this document are based on the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice.

©2011 Graco Inc. Form No. 320449 Rev. B 10/11 Electronic only. 
All other brand names or marks are used for identification purposes and are trademarks of their respective owners. 

Technical Specifications

Ordering Information

238986   High Volume Stainless Steel Model

Inlet/outlet: 2 npt(f)

238987   High Volume Stainless Steel Model

Inlet/outlet: 2 in (50.8 mm) sanitary Tri-Clamp

238988   High Volume Stainless Steel Model

 Inlet/outlet: 1.5 in (38.1 mm) sanitary Tri-Clamp

218509   High Volume Carbon Steel Model 

Inlet/outlet: 2 npt(f)

220157   Medium Volume Stainless Steel Model 

Inlet/outlet: 1 npt(f) x 1-1/4 npt(f)

233736   Tee Configured Stainless Steel Model 

Inlet/outlet: 3/4 BSPP(f)

Accessories 

218742   Floor Stand Kit 

Floor stand supports surge tank models 238983,  
238984, 238985, 218509 and 222157

222011   Grounding Clamp and Wire 

12 gauge x 25 ft (7.6 m) wire

Inlet/Outlet Fittings and Connectors
Accessories for surge tank models 238986, 238987 and 238988  
to convert to different thread configurations.
187150  1-1/2 npt(f) x 2 in (50.8 mm) sanitary
191771  2 npt(f) x 2 in (50.8 mm) sanitary
188286   1-1/2 in (38.1 mm) sanitary Tri-Clamp connection 

x 2 in (50.8 mm) sanitary

187004   2 in (50.8 mm) sanitary Tri-Clamp connection  

x 2 in (50.8 mm) sanitary

107078   O-ring (one required with each inlet/outlet fitting)
Adapter Fittings for Surge Tank Model 233736
15A984   3/4 bspt(m) x 3/4 npt(m), stainless steel. Use with surge tank 

model 233736 to convert fluid thread from BSPP to npt.

15A983   1/4 bspt(m) x 1/4 npt(m), stainless steel. Use with surge tank 

model 233736 to convert air inlet thread from BSPP to npt.

Surge Tank

High Volume 

Medium Volume 

Part Number

238986, 238987, 238988

218509

220157

233736

Material of construction

SST 

CS

SST

SST

Flow configuration

In-line

In-line

In-line

Tee configuration

Maximum fluid pressure

300 psi (21 bar, 2.1 MPa)

600 psi (42 bar, 4.2 MPa) 600 psi (42 bar, 4.2 MPa)

360 psi (25 bar, 2.5 MPa)

Maximum fluid flow*

20 gpm (76 lpm)

20 gpm (76 lpm)

15 gpm (57 lpm)

N/A**

Inlet/outlet thread size

2 npt(f) or 2 in (50.8 mm) or  
1.5 in (38.1 mm) sanitary tri-clamp

2 npt(f)

1 npt(f) / 1-1/4 npt(f)

3/4 BSPP(f)

Maximum gas charge pressure

300 psi (21 bar, 2.1 MPa)

600 psi (42 bar, 4.2 MPa)  600 psi (42 bar, 4.2 MPa)

115 psi (8 bar, 0.8 MPa)

Diaphragm repair kit

249141

218799

220844

198777

Instruction manual