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Check Valves

Stenner Check Valves

The duckbill check valve is included with pumps rated 100 psi (6.9 bar) maximum.

The ball check valve is included with S Series S40 models only.

Check valves are sold as a complete part on this page.  Individual injection parts are found on the Injection Parts page. 

Refer to the chart below to match the part with the pump series.

Part NumberUMDescriptionWorks With
Duckbill Check Valves 100 psi (6.9 bar) maximum
UCDBINJ
MCDBINJ
EA
5-PK
Includes Santoprene®*
duckbill, ferrule 1/4"
All Pumps
(excluding S4 prefix pumps)
UCINJ38
MCINJ38
EA
5-PK
Includes Santoprene®* 
duckbill, ferrule 3/8"
All Pumps
(excluding S4 prefix pumps)
UCTYINJ
MCTYINJ
EA
5-PK
Includes Pellethane®*
duckbill, ferrule 1/4"
UCTYIJ38
MCTYIJ38
EA
5-PK
Includes Pellethane®*
duckbill, ferrule 3/8"
Duckbill Check Valves EUROPE 100 psi (6.9 bar) maximum
UCINJCE
MCINJCE
EA
5-PK
Includes Santoprene®* 
duckbill, ferrule 6 mm
All Pumps
(excluding S4 prefix pumps)
UCTINJCE
MCTINJCE
EA
5-PK
Includes Pellethane®* 
duckbill, ferrule 6 mm
All Pumps
(excluding S4 prefix pumps)
UCKMJCE
MCKMJCE
EAIncludes FKM* duckbill,
ferrule 6 mm
All Pumps
(excluding S4 prefix pumps)
Ball Check Valves 100 psi (6.9 bar) maximum
BC014-1
EA1/4" includes tantalum spring; FKM seat & O-ring; nut; ferruleAll Pumps
(excluding S4 prefix pumps)
BC214-1
EA1/4" includes stainless steel spring; EPDM seat; Santoprene® O-ring; nut; ferruleAll Pumps
(excluding S4 prefix pumps)
BC038-1EA3/8" includes tantalum spring; FKM seat & O-ring; nut; All Pumps 
BC238-1EA3/8" includes stainless steel spring; EPDM seat; Santoprene® O-ring; nut;All Pumps

* Confirm material compatibility with the chemical resistance guide on the website or in the catalog. 
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  • The injection fitting is designed to fit 1/4" or 1/2" Female NPT (FNPT) connection.
  • The 3/8" suction and discharge tubing does not affect the output.
  • Confirm solution compatibility with the Chemical Resistance Guide before selecting the material.

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