Riser Pipe

Riser Pipes: 

 

These pipes are used for water well pumps of both types, vertical turbine (oil lubricated & water lubricated) and submersible pumps, based on ANSI / AWWA E101-88 specifications.

 

Pipe Material:
Black Steel Pipe ASTM A53 Type E Grade B. 
Galvanized Steel Pipe ASTM A53 Type E Grade B.
 
Click here for more specifications:

Coupling:
Material: Seamless steel tubing
Threading: Eight threads per inch
NPT thread
Straight thread 

Size 
inch

ASTM Coupling 
( modified)

API – 5L coupling

 

OD
mm

Length
mm

OD
mm

Length
mm

3

98.4

82.6

101.5

108.0

4

127

92.0

132.1

114.3

5

160.6

104.7

159.9

117.5

6

186.7

104.7

187.7

123.8

8

241.3

117.5

244.5

133.4

 
*Note: 
For Galvanized Pipes: 
Pipe coupling can be galvanized from the exterior only.
 
Pipe threading:
⦁ NPT: Pipes are threaded from both sides with NPT threads (tapered ¾ inch in one foot measured on diameter) with accordance to API – 5L requirements for submersible pumps.
⦁ 3/16 Tapered Threading: Fitted with straight coupling for vertical turbine pumps for both oil lubricated and water lubricated products.