TUBE8 068U1938
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TUBE8 068U1938

Available: In Stock
  • Product SKU: TUBE8 068U1938
  • Category: Danfoss
Rs. 2,749.00
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Danfoss TUBE8 068U1938 Thermostatic Expansion Valve is a stainless steel component designed for refrigeration systems, particularly in the food industry and aggressive environments. Its fixed orifice ensures consistent flow, simplifying installation. Tailored for hermetic systems, it offers durability, corrosion resistance, and quick soldering capabilities.

Specifications:

Charges available for following refrigerants R290, R134a, R513A, R404A, R407A, R407C, R407F, R448A, R449A, R507, R410A, R452A, R600a, R454C, R455A, R1234yf, R1234ze(E), R454A TU and TC 
Ignition assessment Positive. Zone 2 (Category 3, IIA) TUA/TUAE and TCAE only approved for A1 refrig- erants
Complies with PED Yes, fluid group 2, Article 4 paragraph 3, DN < 25 (inner bore)
Standard charge ranges with MOP -40 – +10 °C / -40 − +50 °F MOP +15 °C / + 60 °F
-40 – -5 °C / -40 − +25 °F MOP 0 °C / +32 °F
-60 – -25 °C / -75 − -15 °F MOP -20 °C / -4 °F (not for R134a and R513A)
Max. working pressure PS/MWP TU (non R410A): 34 bar(g) / 500 psi(g) TU (R410A): 45.5 bar(g) / 660 psi(g) TC (all): 45.5 bar(g) / 660 psi(g)
Connection type Solder, ODF
Connection sizes, Angleway Inlet: 1⁄4 in, 3/8 in, 6 mm, 10 mm Outlet: 3/8 in, 1⁄2 in, 5/8 in, 10 mm, 12 mm, 16 mm
Connection sizes, Straightway Inlet: 1⁄4 in, 3/8 in, 1⁄2 in, 6 mm, 10 mm, 12 mm Outlet: 3/8 in, 1⁄2 in, 5/8 in, 10 mm, 12 mm, 16 mm
Connection sizes, [External equalization] 1⁄4 in, 6 mm
Orifices, TUB(E), TUC(E) X, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
Orifices TUA(E) 1, 2, 3, 4, 5, 6, 7, 8, 9
Orifices TCAE, TCBE, TCCE 1, 2, 3
Bleed 15% (of nominal capacity) available. For 30%, contact Danfoss.
Biflow operation With flow in the opposite direction, the rated capacity is reduced by up to 15%.
Biflow not recommended in TU with orifice 9 TC with orifice 3
All valves with MOP charges
Biflow not possible in All valves with internal equalization
Environmental transport/storage temperature and humidity Max. +65 °C / +150 °F, Humidity: <100% RH
Max. body temperature (mounting/operation) +120°C / +250°F (short lived peak: +150°C / +300°F)
Min. body temperature See Evaporating temperature range low end.
Max. bulb temperature (operation) Standard valves: +100°C / +212°F
Valves with MOP charges: +150°C / +300°F
Static superheat (SS) Standard 4K / 7.2°F
Customer-specific settings and non-adjustable valves are available. Please contact Danfoss.
Material of product Body: Stainless steel Capillary tube: Stainless steel
Connector: Bimetal (stainless steel and copper)
Standard capillary tube lengths TU: 0.8 m / 31.5 in
TC: 0.9 m / 35 in
Special capillary tube lengths available 0.3 m / 11.8 in, 0.45 m / 18.0 in and 1.5 m / 59 in
Inlet strainer TU orifice X - 4 = 100 mesh / All other TU and TC = 50 mesh / TU and TC angle = 80 mesh
Serviceable No
Corrosion Passed salt spray test (EN ISO 9227 NSS) and ASTM prohesion (ASTM G85) test. Both 2000 hours

 

Ordering Code:

Refrigerant Type Orifice No. Pressure eq. Connection (in x out)
inch Code No. mm Code No.
R407C TUB X Internal 1/4 x 1/2 - 6 x 12 -
00 - -
1 - 068U1901
2 - -
3 - 068U1903
4 - 068U1904
5 - 068U1905
6 3/8 x 1/2 068U1890 068U1906
7 - - 10 x 12 068U1907
TUBE 5 External 3/8 x 1/2 068U1897 6 x 12 068U1915
6 1/4 x 1/2 068U1936 068U1916
7 3/8 x 1/2 068U1937 10 x 12 068U1917
8 068U1938 068U1918
9 068U1939 -
R410A TUB X Internal - - - -
00 - - -
1 1/4 x 1/2 068U1958 -
2 068U1959 -
3 068U1960 -
4 068U1961 -
5 068U1962 -
6 068U1963 -
7 3/8 x 1/2 068U1964 -
TUBE 5 External 1/4 x 1/2 068U1971 6 x 12 068U1953
6 068U1972 068U1954
7 3/8 x 1/2 068U1973 10 x 12 068U1955
8 068U1974 068U1956
9 068U1975 068U1957
R134a TUB X Internal - - - -
00 - - - -
1 1/4 x 1/2 068U2027 6 x 12 068U2000
2 068U2028 068U2001
3 068U2029 068U2002
4 068U2030 068U2003
5 068U2031 068U2004
6 068U2032 068U2005
7 3/8 x 1/2 - 10 x 12 068U2006
TUBE 5 External 1/4 x 1/2 068U2022 6 x 12 068U2013
6 068U2023 068U2014
7 3/8 x 1/2 068U2024 10 x 12 068U2015
8 068U2025 068U2016
9 068U2026 068U2017
R290 TUB X Internal 1/4 x 1/2 - 6 x 12 -
00 - -
1 068U3731 -
2 068U3732 -
3 068U3733 -
4 068U3735 068U3744
5 - 068U3831
6 - 068U3745
7 - -
TUBE 5 External 1/4 x 3/8 068U3706 6 x 12 068U3717
6 068U3707 068U3718
7 068U3708 068U3719
8 3/8 x 1/2 068U3709 10 x 12 068U3720
9 068U3710 068U3721
R404A / R507A TUB X Internal 1/4 x 1/2 - 6 x 12 -
00 - -
1 068U2094 068U2076
2 068U2095 068U2077
3 068U2096 068U2078
4 068U2097 068U2079
5 - 068U2080
6 068U2099 068U2081
7 3/8 x 1/2 068U2100 10 x 12 068U2082
TUBE 5 External 1/4 x 1/2 068U2107 6 x 12 068U2089
6 068U2108 068U2090
7 3/8 x 1/2 068U2109 10 x 12 068U2091
8 068U2110 068U2092
9 068U2111 068U2093
R407C TUB 7 Internal 3/8 x 1/2 068U2647 - -
TUBE 5 External 1/4 x 1/2 068U2655 6 x 12 -
6 - 068U2636
7 3/8 x 1/2 068U2657 10 x 12 068U2637
8 068U2658 068U2638
9 068U2659 -
R410A TUBE 6 External 1/4 x 1/2 - - -
7 3/8 x 1/2 - -
8 - -
9 068U3316 -
R134a / R513A TUB X Internal 1/4 x 3/8 - 6 x 12 -
00 - -
1 068U3656 068U2540
2 - -
3 - 068U2542
4 1/4 x 1/2 068U2561 068U2543
5 - 068U2544
6 - -
7 3/8 x 1/2 - -
TUBE 5 External 3/8 x 1/2 068U3498 10 x 12 -
6 068U3818 -
7 068U2573 068U2555
8 068U2574 -
9 068U2575 -
R290 TUB X Internal 1/4 x 3/8 068U3700 6 x 12 068U3711
00 068U3701 068U3712
R404A / R507A TUB X Internal 1/4 x 1/2 - 6 x 12 -
00 - -
1 068U2594 068U3495
2 - -
3 - -
4 - 068U2579
5 - -
6 - -
7 3/8 x 1/2 - 10 x 12 -
TUBE 5 External 1/4 x 1/2 068U2607 - -
6 068U2608 -
7 3/8 x 1/2 068U2609 - -
8 068U2610 -
9 068U2611 -

Danfoss TUBE8 068U1938 Thermostatic Expansion Valve is a stainless steel component designed for refrigeration systems, particularly in the food industry and aggressive environments. Its fixed orifice ensures consistent flow, simplifying installation. Tailored for hermetic systems, it offers durability, corrosion resistance, and quick soldering capabilities.

Specifications:

Charges available for following refrigerants R290, R134a, R513A, R404A, R407A, R407C, R407F, R448A, R449A, R507, R410A, R452A, R600a, R454C, R455A, R1234yf, R1234ze(E), R454A TU and TC 
Ignition assessment Positive. Zone 2 (Category 3, IIA) TUA/TUAE and TCAE only approved for A1 refrig- erants
Complies with PED Yes, fluid group 2, Article 4 paragraph 3, DN < 25 (inner bore)
Standard charge ranges with MOP -40 – +10 °C / -40 − +50 °F MOP +15 °C / + 60 °F
-40 – -5 °C / -40 − +25 °F MOP 0 °C / +32 °F
-60 – -25 °C / -75 − -15 °F MOP -20 °C / -4 °F (not for R134a and R513A)
Max. working pressure PS/MWP TU (non R410A): 34 bar(g) / 500 psi(g) TU (R410A): 45.5 bar(g) / 660 psi(g) TC (all): 45.5 bar(g) / 660 psi(g)
Connection type Solder, ODF
Connection sizes, Angleway Inlet: 1⁄4 in, 3/8 in, 6 mm, 10 mm Outlet: 3/8 in, 1⁄2 in, 5/8 in, 10 mm, 12 mm, 16 mm
Connection sizes, Straightway Inlet: 1⁄4 in, 3/8 in, 1⁄2 in, 6 mm, 10 mm, 12 mm Outlet: 3/8 in, 1⁄2 in, 5/8 in, 10 mm, 12 mm, 16 mm
Connection sizes, [External equalization] 1⁄4 in, 6 mm
Orifices, TUB(E), TUC(E) X, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
Orifices TUA(E) 1, 2, 3, 4, 5, 6, 7, 8, 9
Orifices TCAE, TCBE, TCCE 1, 2, 3
Bleed 15% (of nominal capacity) available. For 30%, contact Danfoss.
Biflow operation With flow in the opposite direction, the rated capacity is reduced by up to 15%.
Biflow not recommended in TU with orifice 9 TC with orifice 3
All valves with MOP charges
Biflow not possible in All valves with internal equalization
Environmental transport/storage temperature and humidity Max. +65 °C / +150 °F, Humidity: <100% RH
Max. body temperature (mounting/operation) +120°C / +250°F (short lived peak: +150°C / +300°F)
Min. body temperature See Evaporating temperature range low end.
Max. bulb temperature (operation) Standard valves: +100°C / +212°F
Valves with MOP charges: +150°C / +300°F
Static superheat (SS) Standard 4K / 7.2°F
Customer-specific settings and non-adjustable valves are available. Please contact Danfoss.
Material of product Body: Stainless steel Capillary tube: Stainless steel
Connector: Bimetal (stainless steel and copper)
Standard capillary tube lengths TU: 0.8 m / 31.5 in
TC: 0.9 m / 35 in
Special capillary tube lengths available 0.3 m / 11.8 in, 0.45 m / 18.0 in and 1.5 m / 59 in
Inlet strainer TU orifice X - 4 = 100 mesh / All other TU and TC = 50 mesh / TU and TC angle = 80 mesh
Serviceable No
Corrosion Passed salt spray test (EN ISO 9227 NSS) and ASTM prohesion (ASTM G85) test. Both 2000 hours

 

Ordering Code:

Refrigerant Type Orifice No. Pressure eq. Connection (in x out)
inch Code No. mm Code No.
R407C TUB X Internal 1/4 x 1/2 - 6 x 12 -
00 - -
1 - 068U1901
2 - -
3 - 068U1903
4 - 068U1904
5 - 068U1905
6 3/8 x 1/2 068U1890 068U1906
7 - - 10 x 12 068U1907
TUBE 5 External 3/8 x 1/2 068U1897 6 x 12 068U1915
6 1/4 x 1/2 068U1936 068U1916
7 3/8 x 1/2 068U1937 10 x 12 068U1917
8 068U1938 068U1918
9 068U1939 -
R410A TUB X Internal - - - -
00 - - -
1 1/4 x 1/2 068U1958 -
2 068U1959 -
3 068U1960 -
4 068U1961 -
5 068U1962 -
6 068U1963 -
7 3/8 x 1/2 068U1964 -
TUBE 5 External 1/4 x 1/2 068U1971 6 x 12 068U1953
6 068U1972 068U1954
7 3/8 x 1/2 068U1973 10 x 12 068U1955
8 068U1974 068U1956
9 068U1975 068U1957
R134a TUB X Internal - - - -
00 - - - -
1 1/4 x 1/2 068U2027 6 x 12 068U2000
2 068U2028 068U2001
3 068U2029 068U2002
4 068U2030 068U2003
5 068U2031 068U2004
6 068U2032 068U2005
7 3/8 x 1/2 - 10 x 12 068U2006
TUBE 5 External 1/4 x 1/2 068U2022 6 x 12 068U2013
6 068U2023 068U2014
7 3/8 x 1/2 068U2024 10 x 12 068U2015
8 068U2025 068U2016
9 068U2026 068U2017
R290 TUB X Internal 1/4 x 1/2 - 6 x 12 -
00 - -
1 068U3731 -
2 068U3732 -
3 068U3733 -
4 068U3735 068U3744
5 - 068U3831
6 - 068U3745
7 - -
TUBE 5 External 1/4 x 3/8 068U3706 6 x 12 068U3717
6 068U3707 068U3718
7 068U3708 068U3719
8 3/8 x 1/2 068U3709 10 x 12 068U3720
9 068U3710 068U3721
R404A / R507A TUB X Internal 1/4 x 1/2 - 6 x 12 -
00 - -
1 068U2094 068U2076
2 068U2095 068U2077
3 068U2096 068U2078
4 068U2097 068U2079
5 - 068U2080
6 068U2099 068U2081
7 3/8 x 1/2 068U2100 10 x 12 068U2082
TUBE 5 External 1/4 x 1/2 068U2107 6 x 12 068U2089
6 068U2108 068U2090
7 3/8 x 1/2 068U2109 10 x 12 068U2091
8 068U2110 068U2092
9 068U2111 068U2093
R407C TUB 7 Internal 3/8 x 1/2 068U2647 - -
TUBE 5 External 1/4 x 1/2 068U2655 6 x 12 -
6 - 068U2636
7 3/8 x 1/2 068U2657 10 x 12 068U2637
8 068U2658 068U2638
9 068U2659 -
R410A TUBE 6 External 1/4 x 1/2 - - -
7 3/8 x 1/2 - -
8 - -
9 068U3316 -
R134a / R513A TUB X Internal 1/4 x 3/8 - 6 x 12 -
00 - -
1 068U3656 068U2540
2 - -
3 - 068U2542
4 1/4 x 1/2 068U2561 068U2543
5 - 068U2544
6 - -
7 3/8 x 1/2 - -
TUBE 5 External 3/8 x 1/2 068U3498 10 x 12 -
6 068U3818 -
7 068U2573 068U2555
8 068U2574 -
9 068U2575 -
R290 TUB X Internal 1/4 x 3/8 068U3700 6 x 12 068U3711
00 068U3701 068U3712
R404A / R507A TUB X Internal 1/4 x 1/2 - 6 x 12 -
00 - -
1 068U2594 068U3495
2 - -
3 - -
4 - 068U2579
5 - -
6 - -
7 3/8 x 1/2 - 10 x 12 -
TUBE 5 External 1/4 x 1/2 068U2607 - -
6 068U2608 -
7 3/8 x 1/2 068U2609 - -
8 068U2610 -
9 068U2611 -

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Futuristic believes & will help its customers as far as possible, and has therefore a liberal cancellation policy.


Cancellations :

– Please send an email at sales@futuristicclimatecontrols.in
- Cancellation will be accepted only if the product does not meet the specifications mentioned on our portal.




Return Policy :

If you think, you have received the product in a bad condition or if the packaging is tampered with or damaged before delivery, please refuse to accept the package and return the package to the delivery person. Also, please call our customer care at +91 9723810294 or email us at sales@futuristicclimatecontrols.in mentioning your Order ID. We will personally ensure that a brand new replacement is issued to you with no additional cost. Please make sure that the original product tag and packing is intact when you send us the product back.

Apart from the condition reserved herein above, the following products shall not be eligible for return or replacement, viz:

- Any product that exhibits physical damage to the box or to the product;

- Any product that is returned without all original packaging and accessories, including the retail box, manuals, cables, and all other items originally included with the product at the time of delivery;

- Any product without a valid, readable, untampered serial number, including but not limited to products with missing, damaged, altered, or otherwise unreadable serial number;

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Replacements :

– If you have received the product, it will be eligible for repair/replacement, only in cases where there are defects found with the product. Replacement will be possible only if you ship the product to our office address, all courier charges borne by you. In case of out of country customers, there will be an additional courier charge for the return of the item to the customer country/city.


– All deliveries are F.O.R. Ahmedabad Airport, India. However, all customs & import duties are to be borne by the customer at the country of import. In case of return, the customs & import duties of our country ( India ) , if charged by the authorities, will be deducted from the refund amount. In case of repair, the import/custom duties as levied by Indian Authorities will be to Customer Account.


- In case of complaints regarding products that come with a warranty from manufacturers, please refer the issue to the concerned manufacturer. Let us know & we’ll help you regarding the same


- Replacement will not be valid if the Instrument is tampered or used without following the instruction procedures as mentioned in User manual.



Refund :

Refunds will be made in the same form or by most convenient form ,that the payment is received, within 10 – 15 working days from the date of cancellation of order. However a levy of 3% will be charged towards payment processing charges (Payment Gateway Charges).