Danfoss CHV-X SS 40 angleway check valve, 40 mm (1 1/2 in) butt weld ASME B 36.19M Schedule 40, stainless steel, 52 bar (code 148B5688)
Danfoss

Danfoss CHV-X SS 40 angleway check valve, 40 mm (1 1/2 in) butt weld ASME B 36.19M Schedule 40, stainless steel, 52 bar

Part number148B5688Item numberDANFOSS-148B5688EAN / GTIN5702428963121HS code8481.30
ASME B 36.19M Schedule 4040 mm
MaterialStainless steel
MOQ:1

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Product Description

Danfoss CHV-X SS 40 check (non-return) valve, store code 148B5688, angleway stainless steel body. The CHV-X is a spring-loaded check valve in the Danfoss SVL Flexline range that prevents reverse flow of refrigerant in liquid, suction and hot-gas lines; opening differential pressure 0.04 bar. Applicable to R717 (ammonia), R744 (CO2) and fluorinated refrigerants and their oils. Nominal size 40 mm (1 1/2 in), butt weld connections to ASME B 36.19M Schedule 40; flow coefficient Kv 30 m3/h (Cv 34.8 gal/min). Stainless steel housing. Maximum working pressure 52 bar g (754 psig); media temperature -60 to 150 C (-76 to 302 F). Conformity assessment PED 2014/68/EU, Category II. Specifications per Danfoss store code 148B5688. EAN 5702428963121.

Technical Specifications

Type
CHV-X SS 40 check valve (SVL Flexline)
Code number
148B5688
Nominal size
40 mm (1 1/2 in)
Flow direction body
Angleway
Connection
butt weld both ends, ASME B 36.19M Schedule 40
Flow
one-way check (reverse-flow prevention)
Flow coefficient Kv
30 m3/h (Cv 34.8 gal/min)
Housing material
stainless steel
Net weight
2.598 kg
Maximum working pressure
52 bar g (754 psig)
Media temperature range
-60 to 150 C (-76 to 302 F)
Applicable media
R717 (ammonia), R744 (CO2), HFC/HCFC refrigerants and oils
Conformity assessment
PED 2014/68/EU, Category II
Approvals
CE
EAN
5702428963121
Product group
Check valves
Approval
CE
CE mark
Yes
China RoHS compliance
Yes
Colour Paint
Reddish brown
Connection Code
(2502:S40s:40)
Connection material
Stainless steel
Connection size [in]
1 1/2 in
Connection size [mm]
40 mm
Connection standard
ASME B 36.19M SCHEDULE 40
Connection type
Butt weld
Cv value [gal/min]
34.8 gal/min
Direction
Angleway
EU RoHS compliance
Yes
Flow direction indicator
Embossed 1-way arrow
Fluid Group
1
Kv value [m³/h]
30 m³/h
Max. Working Pressure [bar]
52 bar
Max. Working Pressure [psig]
754 psig
MinODP [bar]
0.04 bar
MinODP [psi]
0.62 psi
PED category
II
REACH Candidate List substances
No
Refrigerants
R134a
Temperature range [°C] [max]
150 °C
Temperature range [°C] [min]
-60 °C
Temperature range [°F] [max]
302 °F
Temperature range [°F] [min]
-76 °F

Standards & Compliance

Standard
ASME B 36.19M Schedule 40
Size / Series
40 mm
Material
Stainless steel
Pressure Rating
52 bar
Temperature Range
-60 to 150 C
HS Code
8481.30

Compatibility & Fitment

Danfoss SVL Flexline CHV-X SS 40. Select by flow direction (angleway), connection (butt weld ASME B 36.19M Schedule 40) and top. EN 10220 and ASME weld-end preparations are not interchangeable — confirm the mating pipe schedule/OD before ordering. Shares the SVL Flexline platform with SVA-S/SVA-L shut-off, REG-SA/REG-SB regulating, SCA-X/CHV-X check valves and FIA strainers of the same nominal size.

Not sure if it fits? Email sales@cballast.com with your equipment serial number or photos — we confirm fit before you order.

Product Documentation

Document preview: Danfoss SCA-X / CHV-X Check Valves — Data Sheet

Catalogue entry last verified: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.

Frequently asked questions

Where can I buy 148B5688?
148B5688 can be ordered from cballast.com as a Danfoss catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
What is the manufacturer part number for this Danfoss product?
The manufacturer part number is 148B5688.
What is the HS code for 148B5688?
The customs tariff (HS) code for 148B5688 is 8481.30.
Who manufactures 148B5688?
148B5688 is a Danfoss product in the HVAC & Refrigeration range.
Is a datasheet available for 148B5688?
Yes — the 148B5688 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 148B5688?
The minimum order quantity is 1.
Is 148B5688 available?
Yes — 148B5688 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).